City profile · New York · Census ACS 2023

Islandia, NY

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

3,581
Residents
$112,435
Median income
$451,700
Median home
$2,747
Median rent (state)

Islandia - the verdict

Islandia ranks in the 84th percentile for household income nationally, out of every US city with at least 1,000 residents. Source: Census ACS.

84th
percentile, household income
82nd
percentile, home value
94th
percentile, median rent
📝 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: Islandia, NY

3,581 people live in Islandia, New York - a small town by U.S. Census Bureau ACS 2023 estimates. The typical household in Islandia brings in $112,435 a year, placing it in the top quartile of U.S. cities for household income, with a poverty rate of 0.7%. Home values in Islandia run a median of $451,700, and the median resident age is 39.1 years. About 30.8% of adults hold a bachelor's degree or higher, while 63.5% of working-age residents are in the labor force.

The Census Building Permit Survey recorded 18 residential units authorized here in 2024 (Building Boom), up 350% from five years earlier.

New York carries a cost-of-living premium: the state registers 107.9 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 $2,747 per month. Monthly utility costs average around $285 across New York, per EIA 2023 residential energy estimates. Natural-hazard exposure scores 97.1 out of 100 on FEMA's National Risk Index (Very High).

Population

3,581 residents

Census ACS 2023 - New York

Median Household Income

$112,435 /yr

Poverty 0.7%

Cost of Living Index (state)

107.9 (US=100)

Above Average - BEA RPP 2024, New York average

How does Islandia compare to other US cities?

Islandia measured against every US city with 1,000+ residents, computed live from the same Census and FBI data shown throughout this page.

Household income 84% higher than other cities
Home value 82% pricier than other cities
Median rent 94% pricier than other cities

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

How we calculate these percentiles & ranks

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

New York-relative analysis

Poverty Rate places Islandia toward the bottom of New York's cities

Among the 1,246 New York cities PlainCities tracks with reported poverty rate data, Islandia ranks #1,013 - the 18th percentile within the state. This is a different, narrower cut than the nationwide percentiles above: it compares Islandia only against its own state's cities, not the full US field.

Median Household Income
#357 of 1,205
70th percentile in New York
Median Gross Rent
#142 of 1,256
68th percentile in New York
Median Home Value
#352 of 1,202
71st percentile in New York
Poverty Rate
#1,013 of 1,246
18th percentile in New York
Bachelor's Degree or Higher
#674 of 1,254
46th percentile in New York

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 New York only, not a livability score. See the methodology for the source and calculation.

84thIncome percentile

84th percentile nationally for median household income. Source: Census ACS 2023 / FBI UCR 2023.

How Islandia's home value compares nationally

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

$451,700 18th percentile more affordable than 18% 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%). This entry sits in this band. $475,000–$500,000: 250 US cities (2%). Above this entry. $500,000–$525,000: 160 US cities (1%). Above this entry. $525,000–$550,000: 156 US cities (1%). Above this entry. $550,000–$575,000: 172 US cities (1%). Above this entry. $575,000–$600,000: 172 US cities (1%). Above this entry. $600,000–$625,000: 163 US cities (1%). Above this entry. $625,000–$650,000: 167 US cities (1%). Above this entry. $650,000–$675,000: 135 US cities (1%). Above this entry. $675,000–$700,000: 101 US cities (1%). Above this entry. $700,000–$725,000: 95 US cities (1%). Above this entry. $725,000–$750,000: 71 US cities (0%). Above this entry. $750,000–$775,000: 65 US cities (0%). Above this entry. $775,000–$800,000: 70 US cities (0%). Above this entry. $800,000–$825,000: 57 US cities (0%). Above this entry. $825,000–$850,000: 67 US cities (0%). Above this entry. $850,000–$875,000: 60 US cities (0%). Above this entry. $875,000–$900,000: 58 US cities (0%). Above this entry. $900,000–$925,000: 47 US cities (0%). Above this entry. $925,000–$950,000: 37 US cities (0%). Above this entry. $950,000–$975,000: 31 US cities (0%). Above this entry. $975,000–$1,000,000: 470 US cities (3%). Above this entry. $1,000,000–$1,025,000: 0 US cities (0%). Above this entry. Islandia $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 - Islandia, NY Islandia, NY's reported median household income shown against the U.S. national quintile-share pattern (not Islandia, NY-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 Islandia, NY median $112,435/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%
Islandia, NY'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 Islandia, NY. Diagonal = perfect equality.

Key socioeconomic indicators

Bachelor's degree or higher (adults 25+) 30.8%

Census ACS S1501, educational attainment

Poverty rate (households below FPL) 0.7%

Census ACS S1701, poverty status

Labor force participation (adults 16+) 63.5%

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

Population
3,581
Median Income
$112,435
Median Home Value
$451,700
Median Age
39.1
Poverty Rate
0.7%
Labor force participation
63.5%
Bachelor's Degree+
30.8%

Schools

Total Schools
1
Public schools in this city

Population Change

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

See the fastest-growing cities →
3,550 residents3,600 residents3,650 residents3,700 residents3,750 residents 202020212022202320242025 3,586 residents 3,733 residents ▲ +4.1%
Islandia's Census PEP population estimates, 2020–2025.

Housing Supply

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

📈 Building Boom
Total Permits (2024)
18
housing units authorized
Single-Family
18
detached homes
Multifamily
0
apartments & condos
Supply Intensity
5
permits per 1,000 residents

5-Year Permit Trend (2019–2024)

Year Total
2019 4
2020 4
2021 2
2022 26
2023 0
2024 18

Permit volume increased 350% from 2019 to 2024.

Commute Patterns

How workers travel to work, Census ACS 2023

Drive Alone
83.7%
Carpool
5.5%
Public Transit
1.3%
Walk
0.5%
Work from Home
6.3%
Other
2.7%

Based on 1,978 workers 16 and over.

Monthly Utility Costs

State-average estimates for New York - EIA 2023 residential energy data

Electricity
$130
avg/month
Natural Gas
$90
avg/month
Water & Sewer
$65
avg/month
Total Utilities
$285
estimated/month

Estimates reflect New York 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 New York state average from BEA; rent and hazard risk are county-level figures from HUD and FEMA for the county Islandia sits in

Cost of Living Index
107.9
Above Average
US average = 100 · BEA RPP 2024
Typical 2-BR Rent
$2,747/mo
HUD Fair Market Rent
County-level FMR estimate
Natural Hazard Risk
97.1 / 100
Very High
FEMA NRI composite score (county)

Cities of a Similar Size Nationwide

Population-matched peers from other states, closest to Islandia's 3,581 residents (Census ACS 5-Year 2023).

Cities with a Similar Household Income Nationwide

Median-household-income-matched peers from other states, closest to Islandia's $112,435 (Census ACS 5-Year 2023, table B19013).

Race & Ethnicity Composition

Race and ethnicity - Islandia, NY 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 Islandia, NY - Census ACS, OMB race + ethnicity categories RACE, sums to 100% 40.0% 13.3% 23.3% 14.5% ETHNICITY, Hispanic or Latino (any race) 36.3% White 40.0% Black or African American 13.3% Asian 5.6% American Indian 3.4% Native Hawaiian 0.0% Some other race 23.3% Two or more races 14.5% 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 Islandia compares to nearby New York cities

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

City Population Median Household Income
Islandia (this city) 3,581 $112,435
Locust Valley 3,591 $137,344
Lloyd Harbor 3,570 $242,434
Walton Park 3,592 $152,578
Census ACS 5-year FIPS NY NCES CCD Census BPS 2024 OMB Bulletin 23-01

What do people ask about Islandia, NY?

What is the population of Islandia, NY? +

The population of Islandia, NY stands at 3,581 according to U.S. Census Bureau ACS 2023 estimates.

What is the median household income in Islandia, NY? +

In Islandia, the typical household earns $112,435 per year, based on Census ACS 2023 data.

What is the cost of living in Islandia? +

BEA does not publish a city-level cost-of-living figure for Islandia; the closest available measure is the New York state average, a cost of living index of 107.9 (U.S. average = 100), rated "Above Average" based on BEA Regional Price Parities 2024 data. Costs within New York vary by metro area.

What is the median home value in Islandia, NY? +

A typical home in Islandia is worth $451,700, according to Census ACS 2023 estimates.

Source: U.S. Census Bureau ACS 5-Year 2023, 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.

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.