City · Washington
Soap Lake, Washington
Soap Lake, city, in Grant County, Washington. Soap Lake had 1,817 residents on July 1, 2025 by the Census Bureau's estimate, up 6.8% since 2020; the 2020 Census counted 1,691 and the ACS 2020-2024 5-year estimates put it at 1,508 (±523). GEOID 5365345.
Residents, July 2025 estimate
1,817
Census Bureau estimate (no margin published)
2020 Census count: 1,691 · ACS 2020-2024: 1,508 ±523
Median household income
$48,125
±$30,958 (90% margin)
Washington: $98,141
Median home value
$250,000
±$69,282 (90% margin)
Washington: $564,600
Median gross rent
$599
±$124 (90% margin)
Washington: $1,760
Where is Soap Lake and what county is it in?
Soap Lake is a city in Grant County, Washington. It covers 1.5 square miles of land, 1,100 residents per square mile in 2020.
Soap Lake is in the Moses Lake, WA micropolitan statistical area (Census Bureau delineation, July 2023).
Source: 2024 Gazetteer and 2020 place-by-county files, U.S. Census Bureau · Census reference files
How many people live in Soap Lake, and is it growing?
The Census Bureau estimates that 1,817 people lived in Soap Lake on July 1, 2025, up 6.8% since 2020, faster than Washington (+3.8%). The 2020 Census counted 1,691 residents. The 2020-2024 American Community Survey, a five-year sample, puts the population at 1,508 (±523).
| Measure | Soap Lake | Grant County | Change since 2015-2019 |
|---|---|---|---|
| Total population | 1,508 ±523 | 101,799 | no clear change |
| Households | 604 ±146 | 35,398 | no clear change |
| Average household size | 2.41 ±0.68 | 2.79 | no clear change |
| Housing units | 885 ±155 | 40,214 | no clear change |
Soap Lake's population since 2000
From 1,733 in 2000 to 1,817 in 2025: up 4.8%. The 2000, 2010 and 2020 figures are census counts, each for Soap Lake as it was drawn that year: a place that annexed land, or a community that has since incorporated, covered a different area then. 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.
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); Census PEP Vintage 2025 (SUB-EST2025, CO-EST2025); 2020 Census P.L. 94-171 · Check it at data.census.gov
Who lives in Soap Lake?
The median resident of Soap Lake is 35.9 years old; 31.3% are under 18 and 21.4% are 65 or older. The largest group is non-Hispanic white residents at 51.9%, then Hispanic or Latino residents (of any race) at 33.9%.
| Measure | Soap Lake | Grant County | Change since 2015-2019 |
|---|---|---|---|
| Median age | 35.9 ±11.9 | 33.7 | no clear change |
| Under 18 years | 31.3% ±11.4 pts | 28.3% | – |
| 65 years and over | 21.4% ±10.7 pts | 14.6% | – |
| Male | 56.1% ±5.7 pts | 51.2% | – |
| Hispanic or Latino (any race) | 33.9% ±23.9 pts | 43.9% | – |
| White alone, not Hispanic | 51.9% ±18.8 pts | 49.2% | no clear change |
| Black or African American alone, not Hispanic | 0.0% ±2.6 pts | 1.2% | – |
| Asian alone, not Hispanic | 0.0% ±2.6 pts | 0.8% | – |
| American Indian and Alaska Native alone, not Hispanic | 4.8% ±5.1 pts | 0.6% | – |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0% ±2.6 pts | 0.0% | – |
| Two or more races, not Hispanic | 8.0% ±7.3 pts | 4.1% | – |
| Some other race alone, not Hispanic | 1.5% ±2.5 pts | 0.2% | – |
| Born outside the United States | 11.3% ±8.0 pts | 16.1% | – |
| Speak a language other than English at home (age 5+) | 27.5% ±18.5 pts | 35.6% | – |
| Civilian veterans (age 18+) | 7.8% ±6.1 pts | 6.5% | – |
| With a disability | 14.8% ±6.1 pts | 14.5% | – |
| No health insurance coverage | 9.6% ±8.4 pts | 13.6% | – |
| High school graduate or higher (age 25+) | 77.3% ±10.6 pts | 81.4% | – |
| Bachelor's degree or higher (age 25+) | 14.4% ±9.1 pts | 18.4% | no clear change |
| Graduate or professional degree (age 25+) | 7.5% ±8.0 pts | 5.6% | – |
| Lived in the same house a year earlier | 92.1% ±5.1 pts | 86.6% | – |
| Moved from another state in the past year | 0.4% ±1.0 pts | 1.2% | – |
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 Soap Lake earn?
Half of Soap Lake's 604 households earn less than $48,125 a year (±$30,958), against $73,267 in Grant County and $98,141 in Washington. In 2015-2019 it was $40,399 in 2024 dollars; the margins of error cannot tell the two periods apart. 27.4% of residents live below the poverty line.
| Measure | Soap Lake | Grant County | Change since 2015-2019 |
|---|---|---|---|
| Median household income | $48,125 ±$30,958 | $73,267 | no clear change |
| Mean household income | $124,933 ±$88,106 | $92,003 | – |
| Per capita income | $51,631 ±$37,404 | $33,242 | – |
| People below the poverty line | 27.4% ±17.7 pts | 15.8% | no clear change |
| Children under 18 below the poverty line | 29.1% ±34.6 pts | 18.7% | – |
| Households receiving SNAP | 27.6% ±13.9 pts | 16.5% | – |
| Households with a computer | 91.2% ±8.6 pts | 94.9% | – |
| Households with a broadband subscription | 91.2% ±8.5 pts | 90.8% | – |
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 Soap Lake?
Owners occupy 65.6% of Soap Lake's occupied homes and renters 34.4%. The median owner-occupied home is valued at $250,000 by its owner (±$69,282). The median renter pays $599 a month including utilities, and 49.5% of renters pay 35% or more of their income on rent.
| Measure | Soap Lake | Grant County | Change since 2015-2019 |
|---|---|---|---|
| Median home value (owner-occupied) | $250,000 ±$69,282 | $299,500 | +$114,624 |
| Median gross rent | $599 ±$124 | $1,116 | no clear change |
| Renters paying 35% or more of income on rent | 49.5% ±31.4 pts | 34.6% | – |
| Median monthly owner costs, with a mortgage | $1,291 ±$201 | $1,670 | – |
| Owner-occupied homes | 65.6% ±13.7 pts | 66.3% | no clear change |
| Renter-occupied homes | 34.4% ±13.7 pts | 33.7% | – |
| Housing units | 885 ±155 | 40,214 | no clear change |
| Homeowner vacancy rate | 5.5% ±6.1 pts | 1.1% | – |
| Rental vacancy rate | 18.0% ±16.7 pts | 3.2% | – |
| Single-family detached homes | 49.7% ±11.1 pts | 58.5% | – |
| Mobile homes | 22.5% ±9.3 pts | 23.5% | – |
| Built 2020 or later | 0.0% ±4.4 pts | 2.1% | – |
| Built 2010 to 2019 | 3.6% ±5.4 pts | 13.3% | – |
| Built 1939 or earlier | 16.5% ±9.7 pts | 4.4% | – |
| Households with no vehicle | 8.1% ±8.1 pts | 5.1% | – |
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 Soap Lake building?
Builders took permits for 22 new housing units in Soap Lake in 2025 (22 in single-family houses; the permit office reported 6 of 12 months), 12.1 per 1,000 residents against 4.4 across Washington.
Counts of units in permits a local office issued; not every permitted unit is built. A year marked with months was reported for part of the year.
Source: Building Permits Survey, annual place files 2019-2025, U.S. Census Bureau · Census Building Permits Survey
How do people in Soap Lake work and get to work?
82.7% of Soap Lake's workers drive alone. The average trip to work takes 21.1 minutes.
| Measure | Soap Lake | Grant County | Change since 2015-2019 |
|---|---|---|---|
| In the labor force (age 16+) | 41.2% ±11.1 pts | 62.3% | – |
| Unemployment rate | 8.9% ±12.2 pts | 6.5% | – |
| Drove alone to work | 82.7% ±15.5 pts | 73.2% | – |
| Carpooled | 6.6% ±8.6 pts | 12.4% | – |
| Public transportation | 0.2% ±0.6 pts | 1.6% | – |
| Walked | 0.0% ±9.3 pts | 1.9% | – |
| Worked from home | 10.5% ±13.7 pts | 9.7% | – |
| Mean travel time to work | 21.1 min ±4.7 | 20.2 min | no clear change |
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 census tracts are in Soap Lake?
No census tract lies mostly in Soap Lake; 2 tracts reach into it (2020 census blocks).
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); 2020 block assignment files (tract share = share of the tract's census blocks in Soap Lake) · Census block assignment files
How does Soap Lake compare with other places in Washington?
By the Census Bureau's July 2025 estimates, Soap Lake is the 8,022nd-most populous of the 19,476 U.S. incorporated places that have one and the 175th-most populous of 281 in Washington.
Soap Lake ranks 377th of 387 places in Washington with 1,000 or more residents and a reliable estimate, by median household income.
| Measure | Rank | Of |
|---|---|---|
| Population, July 2025 estimate | 175th | 281 |
| Growth 2020-2025 (PEP) | 59th | 203 |
| Residents per square mile | 244th | 394 |
| Median household income | 377th | 387 |
| Median home value | 354th | 384 |
| Median gross rent | 351st | 351 |
| Poverty rate | 10th | 281 |
| Bachelor's degree or higher | 354th | 382 |
| Median age | 290th | 394 |
| Owner-occupied share | 251st | 388 |
| Travel time to work | 306th | 394 |
Soap Lake's figures with every place in Washington (CSV)
Every place in Washington, sortable · Compare Soap Lake with other places
Source: PlainCities ranks computed 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 reliable are the figures for Soap Lake?
26 of the 57 figures for Soap Lake on this page carry a coefficient of variation over 40% and are marked with a ring: they come from a small sample, so read them as rough.
The American Community Survey samples about one household in eight over five years, so every figure is an estimate with a 90% margin of error (shown under each value). A ring marks an estimate whose coefficient of variation is over 40%. A change is called only when the gap between the two periods is larger than their combined 90% margin (the square root of the sum of the two squared margins), the Census Bureau's test. How to read a margin of error.
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026): margins of error as published · ACS technical documentation
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 Soap Lake 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' public schools in Soap Lake.