County · Washington

Snohomish County, Washington

Snohomish County, Washington. Snohomish County had 870,656 residents in 2025 by the Census Bureau's estimate, up 5.2% since 2020, faster than Washington (+3.8%). It holds 67 places (20 cities, villages and boroughs and 47 census-designated) and 175 census tracts. GEOID 53061.

Snohomish County is one of the 3 counties of the Seattle-Tacoma-Bellevue, WA metropolitan statistical area (the Census Bureau's July 2023 delineation).

Residents, July 2025 estimate

870,656

Census Bureau estimate (no margin published)
2020 Census count: 827,957 · ACS 2020-2024: 844,430

Median household income

$111,246

±$1,305 (90% margin)
Washington: $98,141

Median home value

$696,000

±$4,737 (90% margin)
Washington: $564,600

Median gross rent

$1,949

±$22 (90% margin)
Washington: $1,760

How many people live in Snohomish County, and is it growing?

The 2020 Census counted 827,957 residents in Snohomish County. The Census Bureau estimates 870,656 for July 1, 2025, up 5.2% since 2020, faster than Washington (+3.8%). The 2020-2024 American Community Survey puts the population at 844,430 over 2,087 square miles of land.

  • July 2020→2021 +6,361 (836,262)
  • 2021→2022 +4,598 (840,860)
  • 2022→2023 +7,503 (848,363)
  • 2023→2024 +12,707 (861,070)
  • 2024→2025 +9,586 (870,656)
Snohomish County in Washington. Boundaries: Census Bureau 2024.
Counts, ACS 2020-2024 5-year estimates, with the change from 2015-2019
MeasureSnohomish CountyWashingtonChange since 2015-2019
Total population844,4307,816,116+45,622
Households316,212±1,1813,064,820+22,389
Average household size2.64±0.012.50−0.04
Housing units331,530±2313,306,620+21,403

Snohomish County's population since 2000

From 606,024 in 2000 to 870,656 in 2025: up 43.7%. The 2000, 2010 and 2020 figures are census counts. The 2005 figure is the Census Bureau's intercensal estimate, revised to fit the 2000 and 2010 counts and drawn on 2010 boundaries; 2015 and 2025 are July 1 estimates made from the census before them.

  • 2000 Census 606,024
  • 2005 (estimate) 654,849
  • 2010 Census 713,335
  • 2015 (estimate) 770,022
  • 2020 Census 827,957
  • 2025 (estimate) 870,656

Source: The 2000, 2010 and 2020 Census counts and the Census Bureau's population estimates (intercensal 2000-2010, Vintage 2020, Vintage 2025) · Census population estimates

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); PEP Vintage 2025 (CO-EST2025); 2020 Census · Check it at data.census.gov

What cities and towns are in Snohomish County?

Snohomish County holds 67 places: 20 cities, villages and boroughs (incorporated places) and 47 census-designated places. The largest is Everett with 113,567 residents (2025 estimate). Places that cross a county line are listed with the share of their 2020 residents who live in this county.

Places in Snohomish County, ACS 2020-2024 5-year estimates. Ring: estimate with a coefficient of variation over 40%.
Everettcity110,629111,845±65$83,512$565,30012.9%100%
Marysvillecity70,71473,002±49$103,974$567,9008.1%100%
Edmondscity42,85342,735±36$122,449$890,1003.8%100%
Lynnwoodcity38,56840,110±38$77,704$686,90014.2%100%
Lake Stevenscity35,63040,253±59$122,336$635,6005.2%100%
Mill Creek EastCDP24,91225,453±1,402$192,937$905,4004.1%100%
EastmontCDP24,05923,721±1,551$138,912$784,0006.4%100%
North LynnwoodCDP22,80223,339±1,967$101,088$616,4007.2%100%
Silver FirsCDP22,17422,306±1,198$163,418$859,9005.9%100%
Bothell WestCDP22,01522,029±1,512$153,449$824,9003.0%100%
Martha LakeCDP21,66022,634±1,834$124,494$785,4008.3%100%
Mukilteocity21,53821,323±55$132,861$884,9005.7%100%
Mountlake Terracecity21,28623,104±48$107,687$667,3007.0%100%
Mill Creekcity20,92620,956±35$124,364$903,8006.4%100%
Arlingtoncity19,86821,095±38$88,231$538,80012.7%100%
Monroecity19,69919,755±43$110,461$668,4007.3%100%
Bothellcity48,16149,610±53$140,427$925,1004.8%40%
Lake StickneyCDP15,41315,890±1,221$94,020$620,30010.9%100%
Bothell EastCDP13,97014,578±1,175$198,882$1,131,6003.6%100%
MaltbyCDP11,27710,910±975$185,457$1,002,1003.9%100%
Alderwood ManorCDP10,19810,266±1,226$105,181$700,9007.9%100%
Snohomishcity10,12610,239±31$87,250$683,9006.7%100%
Picnic PointCDP9,76810,261±930$129,734$833,8007.2%100%
Stanwoodcity7,7058,373±41$90,242$593,1008.0%100%
Briercity6,5606,545±28$132,045$866,6006.7%100%
Woods CreekCDP6,0176,943±1,171$156,950$822,8009.3%100%
CavaleroGEOID 5310645CDP5,2321,591±529$148,462$656,0003.5%100%
Sultancity5,1466,116±26$94,730$526,1005.8%100%
Larch WayCDP4,9934,424±691$160,040$842,6001.6%100%
Chain LakeCDP4,8064,950±844$161,286$873,0002.7%100%
Lake GoodwinCDP4,4625,536±722$105,437$718,4003.5%100%
Granite Fallscity4,4504,659±35$105,136$562,7003.4%100%
EsperanceCDP4,0074,189±682$148,640$790,70010.5%100%
Three LakesCDP3,9414,055±505$172,879$842,8006.3%100%
Lake CassidyCDP3,7573,292±426$113,403$705,0004.9%100%
Bunk FossCDP3,6803,627±611$155,201$831,0006.5%100%
ClearviewCDP3,6483,254±829$192,540$892,0002.6%100%
Canyon CreekCDP3,4453,910±874$77,604$446,30019.1%100%
MeadowdaleCDP3,1483,009±259$173,902$852,4006.2%100%
High BridgeCDP3,1403,196±368$167,337$963,7009.5%100%
Sisco HeightsCDP3,1403,015±550$119,158$735,0007.1%100%
Warm BeachCDP2,9903,442±549$99,940$671,1007.5%100%
LochsloyCDP2,8063,029±556$106,484$610,2007.2%100%
CathcartGEOID 5310600CDP2,6472,064±451$130,400$908,9003.2%100%
Fobes HillCDP2,6282,569±418$133,553$827,9006.9%100%
Arlington HeightsGEOID 5302620CDP2,4772,727±654$127,244$751,1003.4%100%
Gold Barcity2,4032,390±433$100,729$455,40012.0%100%
BryantGEOID 5308500CDP2,1282,648±921$121,669$665,5001.9%100%
Kayak PointCDP1,8831,883±300$119,352$711,2003.4%100%
Monroe NorthGEOID 5346725CDP1,7961,456±424$169,844$707,5000.8%100%
Darringtontown1,4621,412±397$66,488$419,40019.4%100%
Woodwaycity1,3181,251±84$204,583$2,000,000 or more2.1%100%
Lake KetchumGEOID 5337415CDP1,2681,235±538$136,211$543,0006.4%100%
MachiasGEOID 5341470CDP1,2641,276±376$151,875$714,1005.1%100%
Sunday LakeGEOID 5368480CDP1,1841,375±479$91,500$697,1008.9%100%
Lake BosworthGEOID 5337077CDP868907±252$106,900$678,3004.0%100%
StartupGEOID 5367595CDP859555±457$66,525$359,6001.8%100%
May CreekGEOID 5344260CDP849791±293$78,458$346,40013.9%100%
Swede HeavenGEOID 5369280CDP839746±238$113,333$435,7006.8%100%
Lake RoesigerGEOID 5337672CDP611815±438$119,586$661,20017.9%100%
VerlotGEOID 5374760CDP340224±113$46,944$336,00014.3%100%
North SultanGEOID 5350183CDP256355±222$125,625$796,50014.6%100%
OsoGEOID 5352110CDP172245±284$140,486$741,1000.0%100%
IndexGEOID 5333175town155173±107not published$580,40013.3%100%
Northwest StanwoodGEOID 5350195CDP13772±77not publishednot published9.7%100%
SilvanaGEOID 5364190CDP970±13not publishednot published–100%
Hat IslandGEOID 5330030CDP910±13not publishednot published–100%

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); 2020 place-by-county parts · Check it at data.census.gov

Who lives in Snohomish County?

The median resident of Snohomish County is 38.6 years old; 22.1% are under 18 and 14.8% are 65 or older. The largest group is non-Hispanic white residents at 62.0%, then non-Hispanic Asian residents at 13.6%. 19.3% of residents were born outside the United States.

Age, origin and education, ACS 2020-2024 5-year estimates. Race groups are non-Hispanic; Hispanic includes any race.
MeasureSnohomish CountyWashingtonChange since 2015-2019
Median age38.6±0.238.3+0.6
Under 18 years22.1%21.4%–
65 years and over14.8%±0.1 pts16.6%–
Hispanic or Latino (any race)12.1%14.4%+1.9 pts
White alone, not Hispanic62.0%±0.2 pts63.1%−7.6 pts
Black or African American alone, not Hispanic3.6%±0.1 pts3.8%+0.7 pts
Asian alone, not Hispanic13.6%±0.2 pts9.7%+2.9 pts
American Indian and Alaska Native alone, not Hispanic0.6%±0.1 pts0.8%–
Native Hawaiian and Other Pacific Islander alone, not Hispanic0.5%±0.1 pts0.7%–
Two or more races, not Hispanic6.9%±0.3 pts6.8%–
Some other race alone, not Hispanic0.7%±0.1 pts0.6%–
Born outside the United States19.3%±0.4 pts15.4%+3.2 pts
Speak a language other than English at home (age 5+)24.4%±0.5 pts21.4%–
Civilian veterans (age 18+)6.9%±0.3 pts7.8%–
With a disability12.4%±0.4 pts13.6%–
No health insurance coverage6.2%±0.4 pts6.3%no clear change
High school graduate or higher (age 25+)93.1%±0.3 pts92.3%–
Bachelor's degree or higher (age 25+)38.2%±0.6 pts39.6%+5.4 pts
Graduate or professional degree (age 25+)13.4%±0.4 pts15.6%–
Moved from another state in the past year1.8%±0.2 pts2.9%–

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profiles DP02, DP05) · Check it at data.census.gov

What do households in Snohomish County earn?

Half of Snohomish County's 316,212 households earn less than $111,246 a year (±$1,305), against $98,141 in Washington. In 2015-2019 the median was $106,690 in 2024 dollars, so it rose by $4,556 after inflation. 8.0% of residents live below the poverty line.

Income and poverty in 2024 dollars, ACS 2020-2024 5-year estimates
MeasureSnohomish CountyWashingtonChange since 2015-2019
Median household income$111,246±$1,305$98,141+$4,556
Mean household income$142,821±$1,735$134,588–
Per capita income$54,628±$634$53,744+$5,982
People below the poverty line8.0%±0.4 pts9.9%no clear change
Children under 18 below the poverty line9.2%±1.0 pts11.6%no clear change
Households receiving SNAP8.8%±0.5 pts11.5%–
Households with a broadband subscription94.4%±0.4 pts93.6%–

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov

What does housing cost in Snohomish County?

Owners occupy 68.2% of Snohomish County's occupied homes and renters 31.8%. The median owner-occupied home is valued at $696,000 by its owner (±$4,737). The median renter pays $1,949 a month including utilities, and 41.9% of renters pay 35% or more of their income on rent.

Housing, ACS 2020-2024 5-year estimates
MeasureSnohomish CountyWashingtonChange since 2015-2019
Median home value (owner-occupied)$696,000±$4,737$564,600+$200,030
Median gross rent$1,949±$22$1,760+$179
Renters paying 35% or more of income on rent41.9%±1.4 pts40.1%+3.2 pts
Median monthly owner costs, with a mortgage$2,748±$23$2,445–
Owner-occupied homes68.2%±0.6 pts63.8%+1.1 pts
Housing units331,530±2313,306,620+21,403
Homeowner vacancy rate0.5%±0.2 pts0.7%–
Rental vacancy rate4.0%±0.5 pts4.5%–
Single-family detached homes63.9%±0.5 pts61.9%–
Mobile homes4.6%±0.3 pts5.5%–
Built 2020 or later2.6%±0.2 pts2.3%–
Built 1939 or earlier4.9%±0.3 pts9.6%–

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP04) · Check it at data.census.gov

How many new homes is Snohomish County building?

Builders took permits for 3,372 new housing units across Snohomish County in 2025 (1,909 single-family), 3.9 per 1,000 residents.

  • 2019 4,408 units
  • 2020 5,780 units
  • 2021 5,122 units
  • 2022 3,101 units
  • 2023 3,487 units
  • 2024 4,149 units
  • 2025 3,372 units

Source: Building Permits Survey, annual county files 2019-2025, U.S. Census Bureau · Census Building Permits Survey

How do people in Snohomish County get to work?

65.0% of Snohomish County's workers drive alone and 20.0% work from home. The average trip to work takes 30.8 minutes. The unemployment rate in 2020-2024 averaged 4.5%.

Work and commuting, ACS 2020-2024 5-year estimates
MeasureSnohomish CountyWashingtonChange since 2015-2019
In the labor force (age 16+)67.3%±0.4 pts64.5%–
Unemployment rate4.5%±0.3 pts5.1%+0.4 pts
Drove alone to work65.0%±0.8 pts63.4%–
Carpooled9.1%±0.5 pts8.5%–
Public transportation2.8%±0.2 pts3.4%–
Walked1.6%±0.2 pts3.0%–
Worked from home20.0%±0.6 pts19.8%+14.4 pts
Mean travel time to work30.8 min±0.426.6 min−1.8 min

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov

What are Snohomish County's census tracts?

Snohomish County is divided into 175 census tracts. Among those with a reliable estimate, median household income runs from $52,785 (Tract 402) to $250,000 or more (Tract 520.09).

All 175 census tracts of Snohomish County, with their figures

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) · Check it at data.census.gov

How does Snohomish County compare with Washington's other counties?

Snohomish County's rank among Washington's counties with a reliable estimate (1 = highest)
MeasureRank
Population3rd of 39
Growth 2020-202516th of 39
Residents per square mile7th of 39
Median household income2nd of 39
Median home value3rd of 39
Median gross rent2nd of 39
Poverty rate37th of 39
Bachelor's degree or higher7th of 39
Median age27th of 39

Every county in Washington

Source: PlainCities ranks from the American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) and PEP Vintage 2025 · How ranks are computed

How these figures are made: methodology and release checks · reading a margin of error · every state · corrections

Not on this page: crime, weather and schools for Snohomish County are other agencies' records. Crime: the FBI's Crime Data Explorer · climate: NOAA's U.S. Climate Normals · schools: the National Center for Education Statistics' school search.