City profile · Washington · Census ACS 2023

Sammamish, WA

Population, income, housing, safety, climate and schools for Sammamish - drawn straight from Census ACS, FBI UCR, NOAA, NCES, HUD and FEMA, refreshed on the 2024–2025 release cycle.

66,375
Residents
$227,273
Median income
$1,240,300
Median home
$2,501
Median rent (state)

Sammamish - the verdict

Measured against every US city with at least 1,000 residents, Sammamish lands in the 99th percentile for household income and the 82nd percentile for safety. Source: Census ACS + FBI UCR.

99th
percentile, household income
99th
percentile, home value
92nd
percentile, median rent
82nd
percentile, safety
📝 How we sourced this

Population, income, and housing-cost figures come from the U.S. Census Bureau American Community Survey 5-year estimates (B-series tables). Crime data uses FBI UCR; climate uses NOAA Climate Normals; school counts come from NCES Common Core of Data; permits use the Census Building Permits Survey (BPS). See our methodology page for the full ETL pipeline and OMB / FIPS join keys.

Data Snapshot: Sammamish, WA

Washington's Sammamish is a small city, with 66,375 residents per the latest Census Bureau ACS figures. The typical household in Sammamish brings in $227,273 a year, placing it in the top quartile of U.S. cities for household income, with a poverty rate of 4.9%. Sammamish's housing stock carries a median value of $1,240,300, and the median resident age is 39.4 years. About 77.0% of adults hold a bachelor's degree or higher, while 66.3% of working-age residents are in the labor force.

In 2024, 27 residential building permits were authorized in Sammamish (Construction Slowdown), down 85% from five years earlier, per Census BPS data. Sammamish reports a comparatively low crime rate: FBI UCR reporting places total crime at 567.2 incidents per 100,000 residents, below the national average (voluntary agency reporting, reflects reporting activity, not a definitive danger score).

Washington carries a cost-of-living premium: the state registers 107.0 on a 100-equals-national-average index (Above Average) per BEA Regional Price Parities 2024. HUD Fair Market Rent for a typical two-bedroom in this state is $2,501 per month. Statewide, average monthly utility bills in Washington run around $188, per EIA 2023 residential energy data. On FEMA's National Risk Index, this area rates 99.7 out of 100 for natural-hazard exposure (Very High).

Population

66,375 residents

Census ACS 2023 - Washington

Median Household Income

$227,273 /yr

Poverty 4.9%

Cost of Living Index (state)

107.0 (US=100)

Above Average - BEA RPP 2024, Washington average

How does Sammamish compare to other US cities?

Where Sammamish sits among all US cities (population 1,000+) on each measure, computed live from Census and FBI data.

Household income 99% higher than other cities
Home value 99% pricier than other cities
Median rent 92% pricier than other cities
Safety 82% safer than other cities

"Safer than" reflects total crime rate from FBI UCR; the others use Census ACS estimates.

A national percentile can hide a lot of local variation: narrowed to Washington alone, Sammamish ranks #10 of 156 Washington cities by lowest crime rate - a different, more locally useful comparison than stacking it against the entire country.

How we calculate these percentiles & ranks

Each percentile compares Sammamish against every qualifying US city; each in-state rank narrows that to Washington only. Full formula and direction notes: methodology.

Washington-relative analysis

Bachelor's Degree or Higher is Sammamish's strongest outlier among Washington cities

Among the 599 Washington cities PlainCities tracks with reported bachelor's degree or higher data, Sammamish ranks #6 - the 99th percentile within the state. This is a different, narrower cut than the nationwide percentiles above: it compares Sammamish only against its own state's cities, not the full US field.

Median Household Income
#7 of 565
99th percentile in Washington
Median Gross Rent
#1 of 599
87th percentile in Washington
Median Home Value
#9 of 565
98th percentile in Washington
Poverty Rate
#319 of 598
46th percentile in Washington
Bachelor's Degree or Higher
#6 of 599
99th percentile in Washington

Ranked by raw value (highest first); a higher rank is not automatically "better" for every measure, see each metric's own context above. This is a comparison within Washington only, not a livability score. See the methodology for the source and calculation.

99thIncome percentile
82ndSafety percentile

99th percentile nationally for median household income · 82nd percentile for safety (lower crime rate). Source: Census ACS 2023 / FBI UCR 2023.

Sammamish's profile vs. every US city

Income, affordability, and safety percentile

Sammamish's percentile rank on 3 favorable-direction measures (income, affordability, safety) vs. every tracked US city -- higher on every axis is more favorable. Not a composite quality score, just the arithmetic mean of the axes shown. 3-axis radar comparing 1 series across Income, Affordability, Safety. IncomeAffordabilitySafety 62 Avg. percentile National median
Sammamish's percentile rank on 3 favorable-direction measures (income, affordability, safety) vs. every tracked US city -- higher on every axis is more favorable. Not a composite quality score, just the arithmetic mean of the axes shown.

How Sammamish's home value compares nationally

Median home value vs. every US city (population 1,000+)

$1,240,300 1st percentile more affordable than 1% of 15,600 US cities

$0–$25,000: 5 US cities (0%). Below this entry. $25,000–$50,000: 54 US cities (0%). Below this entry. $50,000–$75,000: 352 US cities (2%). Below this entry. $75,000–$100,000: 1,086 US cities (7%). Below this entry. $100,000–$125,000: 1,516 US cities (10%). Below this entry. $125,000–$150,000: 1,170 US cities (8%). Below this entry. $150,000–$175,000: 1,278 US cities (8%). Below this entry. $175,000–$200,000: 1,229 US cities (8%). Below this entry. $200,000–$225,000: 1,035 US cities (7%). Below this entry. $225,000–$250,000: 976 US cities (6%). Below this entry. $250,000–$275,000: 754 US cities (5%). Below this entry. $275,000–$300,000: 712 US cities (5%). Below this entry. $300,000–$325,000: 521 US cities (3%). Below this entry. $325,000–$350,000: 526 US cities (3%). Below this entry. $350,000–$375,000: 465 US cities (3%). Below this entry. $375,000–$400,000: 393 US cities (3%). Below this entry. $400,000–$425,000: 317 US cities (2%). Below this entry. $425,000–$450,000: 300 US cities (2%). Below this entry. $450,000–$475,000: 307 US cities (2%). Below this entry. $475,000–$500,000: 250 US cities (2%). Below this entry. $500,000–$525,000: 160 US cities (1%). Below this entry. $525,000–$550,000: 156 US cities (1%). Below this entry. $550,000–$575,000: 172 US cities (1%). Below this entry. $575,000–$600,000: 172 US cities (1%). Below this entry. $600,000–$625,000: 163 US cities (1%). Below this entry. $625,000–$650,000: 167 US cities (1%). Below this entry. $650,000–$675,000: 135 US cities (1%). Below this entry. $675,000–$700,000: 101 US cities (1%). Below this entry. $700,000–$725,000: 95 US cities (1%). Below this entry. $725,000–$750,000: 71 US cities (0%). Below this entry. $750,000–$775,000: 65 US cities (0%). Below this entry. $775,000–$800,000: 70 US cities (0%). Below this entry. $800,000–$825,000: 57 US cities (0%). Below this entry. $825,000–$850,000: 67 US cities (0%). Below this entry. $850,000–$875,000: 60 US cities (0%). Below this entry. $875,000–$900,000: 58 US cities (0%). Below this entry. $900,000–$925,000: 47 US cities (0%). Below this entry. $925,000–$950,000: 37 US cities (0%). Below this entry. $950,000–$975,000: 31 US cities (0%). Below this entry. $975,000–$1,000,000: 470 US cities (3%). Below this entry. $1,000,000–$1,025,000: 0 US cities (0%). This entry sits in this band. Sammamish $0 $1,025,000 every US city, bucketed by value

Each bar is a $25K-wide band; taller bars hold more US cities. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source U.S. Census Bureau ACS 5-Year Estimates · 2023

Income distribution context

Household income distribution - Sammamish, WA Sammamish, WA's reported median household income shown against the U.S. national quintile-share pattern (not Sammamish, WA-specific quintile data). The Lorenz curve traces the national cumulative income share against cumulative population share, perfect equality is the diagonal; observed inequality bows below. $ Household Income Distribution Sammamish, WA median $227,273/yr, vs. U.S. national quintile pattern QUINTILE SHARE OF AGGREGATE INCOME Lowest 20% 3.4% Second 20% 9.2% Middle 20% 15.1% Fourth 20% 23.2% Top 20% 49.1% LORENZ CURVE cumulative income vs. population 100% 0% 100% pop. 0%
Sammamish, WA's median household income (Census ACS 5-year estimate) plotted against the U.S. national income-quintile distribution pattern for context; the quintile shares and Lorenz curve are national figures, not computed specifically for Sammamish, WA. Diagonal = perfect equality.

Key socioeconomic indicators

Bachelor's degree or higher (adults 25+) 77.0%

Census ACS S1501, educational attainment

Poverty rate (households below FPL) 4.9%

Census ACS S1701, poverty status

Labor force participation (adults 16+) 66.3%

Census ACS S2301, share of working-age residents in the labor force

Population
66,375
Median Income
$227,273
Median Home Value
$1,240,300
Median Age
39.4
Poverty Rate
4.9%
Labor force participation
66.3%
Bachelor's Degree+
77.0%

Safety & Crime

Total Crime Rate
567.2
per 100,000 residents
Violent Crime
28.0
per 100,000 residents
Property Crime
539.2
per 100,000 residents

Reflects incidents reported to the FBI's Uniform Crime Reporting program — agency participation is voluntary and reporting completeness varies by jurisdiction and year, so this reflects reporting activity, not a definitive danger score. Not adjusted for tourism, commuter, or daytime population.

Schools

Total Schools
14
Public schools in this city

Population Change

Annual U.S. Census Bureau Population Estimates Program (PEP) estimates, 2020–2025

See the fastest-growing cities →
65,000 residents66,000 residents67,000 residents68,000 residents 202020212022202320242025 67,448 residents 66,110 residents ▼ -2.0%
Sammamish's Census PEP population estimates, 2020–2025.

Housing Supply

Census Bureau Building Permits Survey (BPS) - annual residential permits authorized

📉 Construction Slowdown
Total Permits (2024)
27
housing units authorized
Single-Family
27
detached homes
Multifamily
0
apartments & condos
Supply Intensity
0.4
permits per 1,000 residents

5-Year Permit Trend (2019–2024)

Year Total
2019 175
2020 172
2021 50
2022 69
2023 46
2024 27

Permit volume decreased 85% from 2019 to 2024.

Commute Patterns

How workers travel to work, Census ACS 2023

Drive Alone
53.1%
Carpool
5.0%
Public Transit
3.7%
Walk
1.1%
Work from Home
35.0%
Other
2.1%

Based on 32,152 workers 16 and over.

Monthly Utility Costs

State-average estimates for Washington - EIA 2023 residential energy data

Electricity
$85
avg/month
Natural Gas
$48
avg/month
Water & Sewer
$55
avg/month
Total Utilities
$188
estimated/month

Estimates reflect Washington state averages. Actual costs vary by home size, usage, and local rates. Source: U.S. Energy Information Administration (EIA) 2023.

Living Costs & Risk

Cost of living is a Washington state average from BEA; rent and hazard risk are county-level figures from HUD and FEMA for the county Sammamish sits in

Cost of Living Index
107.0
Above Average
US average = 100 · BEA RPP 2024
Typical 2-BR Rent
$2,501/mo
HUD Fair Market Rent
County-level FMR estimate
Natural Hazard Risk
99.7 / 100
Very High
FEMA NRI composite score (county)

Similar Cities in Washington

South Hill
68,161 people
Lakewood
63,034 people
Richland
61,912 people
Marysville
71,570 people
Shoreline
59,280 people
Lacey
57,088 people

Cities of a Similar Size Nationwide

Population-matched peers from other states, closest to Sammamish's 66,375 residents (Census ACS 5-Year 2023).

Union City, NJ
66,375 people
Queen Creek, AZ
66,369 people
Alpharetta, GA
66,355 people
Skokie, IL
66,427 people
Conway, AR
66,288 people
Oshkosh, WI
66,247 people

Cities with a Similar Household Income Nationwide

Median-household-income-matched peers from other states, closest to Sammamish's $227,273 (Census ACS 5-Year 2023, table B19013).

Harlingen, NJ
$227,438 median income
Haworth, NJ
$227,841 median income
Spring Valley, TX
$227,857 median income
Hobble Creek, UT
$227,981 median income
Lake Forest, IL
$228,120 median income
El Granada, CA
$226,384 median income

Race & Ethnicity Composition

Race and ethnicity - Sammamish, WA Race categories sum to one hundred percent per Census methodology. Hispanic or Latino is shown separately as an ethnicity overlay; it cuts across all race categories per OMB Directive 15. Race & Ethnicity Composition Sammamish, WA - Census ACS, OMB race + ethnicity categories RACE, sums to 100% 53.1% 36.6% 7.5% ETHNICITY, Hispanic or Latino (any race) 4.4% White 53.1% Black or African American 1.5% Asian 36.6% American Indian 0.4% Native Hawaiian 0.1% Some other race 0.8% Two or more races 7.5% Per OMB Directive 15: Hispanic/Latino ethnicity is reported separately from the race categories.
Race categories sum to 100%. Hispanic or Latino ethnicity is reported separately and cuts across race per Census/OMB methodology.

City-level race and ethnicity, Census ACS 5-year 2023 (tables B02001, B03001), OMB Directive 15 categories.

How Sammamish compares to nearby Washington cities

Population + median household income, sourced from Census Bureau ACS 5-year B01001 (population) and B19013 (median household income).

City Population Median Household Income
Sammamish (this city) 66,375 $227,273
South Hill 68,161 $109,235
Lakewood 63,034 $70,524
Richland 61,912 $92,550
Census ACS 5-year FIPS WA FBI UCR NCES CCD Census BPS 2024 OMB Bulletin 23-01

What do people ask about Sammamish, WA?

What is the population of Sammamish, WA? +

Sammamish, WA has a population of 66,375 according to U.S. Census Bureau ACS 2023 estimates.

What is the median household income in Sammamish, WA? +

Median annual household income in Sammamish runs $227,273, based on Census ACS 2023 data.

What is the cost of living in Sammamish? +

BEA does not publish a city-level cost-of-living figure for Sammamish; the closest available measure is the Washington state average, a cost of living index of 107.0 (U.S. average = 100), rated "Above Average" based on BEA Regional Price Parities 2024 data. Costs within Washington vary by metro area.

Is Sammamish, WA safe? +

Sammamish has a total crime rate of 567.2 per 100,000 residents, which is below the national average. This reflects incidents reported to the FBI UCR program, not a definitive safety score -- agency reporting is voluntary and completeness varies by jurisdiction.

What is the median home value in Sammamish, WA? +

Sammamish's median home value sits at $1,240,300, according to Census ACS 2023 estimates.

Source: U.S. Census Bureau ACS 5-Year 2023, FBI UCR, NCES CCD, Census BPS 2024, Census ACS B08301/B08136, U.S. Energy Information Administration (EIA) 2023, BEA Regional Price Parities 2024, HUD Fair Market Rents 2026, FEMA National Risk Index.

Read our methodology - how this data is sourced, computed, and verified.

Primary sources: Census ACS, FBI UCR, NOAA Climate Normals, NCES.

Citation & verification links Data sourced from the U.S. Census Bureau. See our methodology for details. Retrieved and formatted by PlainCities

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Every figure on PlainCities is rendered directly from Census ACS source data, no number is typed in by an editor. This page draws directly on Census ACS source data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.