Data / Housing units / Snohomish County

Housing units in Snohomish County

Housing units in Snohomish County was 331,530 in 2024, according to the U.S. Census Bureau. That is up 1.1% from 2023. That is the 3rd highest of 39 counties in 2024.

2024, count331,530
Change on 2023+1.1%
Rank3rd of 39Counties in Washington ranked
Series high331,5302024
Series low318,6042021

Next release: Friday, 29 January 2027, estimated by Invokely from past publication dates (low confidence), not announced by the publisher. Release calendar

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Housing units in Snohomish County, 2021 to 2024

315K320K325K330K335K20212022202320242021: 318,604 count2022: 323,438 count2023: 327,893 count2024: 331,530 count315K320K325K330K335K202120242021: 318,604 count2022: 323,438 count2023: 327,893 count2024: 331,530 count
count. Source: U.S. Census Bureau, American Community Survey 5-year estimates, table B25001: total housing units. Retrieved 2026-10-12, published 2026-01-29.
All 4 values
Periodcount
2024331,530
2023327,893
2022323,438
2021318,604

Compared with Washington and United States

Place2024
Snohomish County331,530
Washington3,306,620
United States143,775,355

Snohomish County compared with nearby places

Adams County: 6,926 countAsotin County: 10,183 countBenton County: 83,101 countChelan County: 38,677 countClallam County: 38,613 countClark County: 204,375 countColumbia County: 2,217 countCowlitz County: 46,422 countDouglas County: 17,960 countFerry County: 4,117 countFranklin County: 31,183 countGarfield County: 1,221 countGrant County: 40,214 countGrays Harbor County: 36,967 countIsland County: 42,744 countJefferson County: 19,534 countKing County: 1,003,284 countKitsap County: 116,970 countKittitas County: 24,674 countKlickitat County: 10,945 countLewis County: 36,512 countLincoln County: 5,918 countMason County: 34,152 countOkanogan County: 22,156 countPacific County: 16,325 countPend Oreille County: 8,113 countPierce County: 369,709 countSan Juan County: 13,990 countSkagit County: 57,050 countSkamania County: 5,973 countSnohomish County: 331,530 countSpokane County: 231,205 countStevens County: 22,782 countThurston County: 125,163 countWahkiakum County: 2,250 countWalla Walla County: 25,422 countWhatcom County: 103,520 countWhitman County: 22,091 countYakima County: 92,432 count
  • Under 10K
  • 10K to 20K
  • 20K to 30K
  • 30K to 40K
  • 40K to 110K
  • 110K and over
Housing units, 2024, count. Snohomish County is outlined. Same source and period for every area shown. Source: U.S. Census Bureau. Boundaries: U.S. Census Bureau cartographic boundary files.

Rankings

Definition

All housing units, occupied and vacant: houses, apartments, mobile homes and rooms intended as separate living quarters. United States: American Community Survey five-year estimate, where the period shown is the last year of the five-year span.

A survey estimate averaged over five years, not a count on one date.

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How to cite

U.S. Census Bureau. American Community Survey 5-year estimates, table B25001: total housing units. https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b25001.dat. Retrieved 2026-10-12.

Citation styles

The publisher is the author. Invokely is named only as the place the figures were read, where a style asks for it.

APA 7

U.S. Census Bureau. (2026). American Community Survey 5-year estimates, table B25001: total housing units (Housing units, Snohomish County, 2021 to 2024) [Data set]. Retrieved October 12, 2026, from https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b25001.dat

MLA 9

American Community Survey 5-year estimates, table B25001: total housing units, Housing units, Snohomish County, 2021 to 2024. U.S. Census Bureau, 29 Jan. 2026, https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b25001.dat. Invokely, https://invokely.ai/en/housing-units/snohomish-county-washington. Accessed 12 Oct. 2026.

Chicago (author-date)

U.S. Census Bureau. 2026. American Community Survey 5-year estimates, table B25001: total housing units. Housing units, Snohomish County, 2021 to 2024. Dataset. Accessed October 12, 2026. https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b25001.dat. Also distributed by Invokely, https://invokely.ai/en/housing-units/snohomish-county-washington.

Harvard

U.S. Census Bureau (2026) American Community Survey 5-year estimates, table B25001: total housing units, Housing units, Snohomish County, 2021 to 2024 [Dataset]. Available at: https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b25001.dat, via Invokely: https://invokely.ai/en/housing-units/snohomish-county-washington (Accessed: 12 October 2026).

BibTeX
@misc{census_housing_units_snohomish_county_2024,
  author = {{U.S. Census Bureau}},
  title = {{American Community Survey 5-year estimates, table B25001: total housing units: Housing units, Snohomish County, 2021 to 2024}},
  year = {2026},
  howpublished = {Data set},
  url = {https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b25001.dat},
  urldate = {2026-10-12},
  note = {Accessed via Invokely, https://invokely.ai/en/housing-units/snohomish-county-washington. Publisher attribution: U.S. Census Bureau. American Community Survey 5-year estimates, table B25001: total housing units. https://www2.census.gov/programs-surveys/acs/summary\_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b25001.dat. Retrieved 2026-10-12.},
}
RIS
TY  - DATA
AU  - U.S. Census Bureau
TI  - American Community Survey 5-year estimates, table B25001: total housing units: Housing units, Snohomish County, 2021 to 2024
PY  - 2026
DA  - 2026/01/29
PB  - U.S. Census Bureau
DB  - Invokely
UR  - https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b25001.dat
L2  - https://invokely.ai/en/housing-units/snohomish-county-washington
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/en/housing-units/snohomish-county-washington.
N1  - Publisher attribution: U.S. Census Bureau. American Community Survey 5-year estimates, table B25001: total housing units. https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b25001.dat. Retrieved 2026-10-12.
ER  -
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Questions

What is the housing units in Snohomish County?

Housing units in Snohomish County was 331,530 in 2024, according to the U.S. Census Bureau. That is up 1.1% from 2023. That is the 3rd highest of 39 counties in 2024.

Where does this figure come from?

U.S. Census Bureau. American Community Survey 5-year estimates, table B25001: total housing units. Retrieved by Invokely on 2026-10-12.

What was the highest housing units in Snohomish County?

331,530 in 2024, the highest value since 2021 in this series.

Related statistics for Snohomish County

All statistics for Snohomish County | Snohomish County in figures