County · Kansas
Washington County, Kansas
Washington County, Kansas. Washington County had 5,533 residents in 2025 by the Census Bureau's estimate, down 0.2% since 2020, while Kansas grew 1.3%. It holds 37 places (12 cities, villages and boroughs and 25 towns and townships) and 2 census tracts. GEOID 20201.
Residents, July 2025 estimate
5,533
Census Bureau estimate (no margin published)
2020 Census count: 5,530 · ACS 2020-2024: 5,533
Median household income
$65,482
±$3,563 (90% margin)
Kansas: $74,275
Median home value
$117,100
±$6,751 (90% margin)
Kansas: $217,200
Median gross rent
$562
±$30 (90% margin)
Kansas: $1,060
How many people live in Washington County, and is it growing?
The 2020 Census counted 5,530 residents in Washington County. The Census Bureau estimates 5,533 for July 1, 2025, down 0.2% since 2020, while Kansas grew 1.3%. The 2020-2024 American Community Survey puts the population at 5,533 over 895 square miles of land.
| Measure | Washington County | Kansas | Change since 2015-2019 |
|---|---|---|---|
| Total population | 5,533 | 2,947,197 | +40 |
| Households | 2,373±84 | 1,174,060 | no clear change |
| Average household size | 2.28±0.08 | 2.44 | no clear change |
| Housing units | 2,714±23 | 1,293,635 | −218 |
Washington County's population since 2000
From 6,483 in 2000 to 5,533 in 2025: down 14.7%. 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.
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 Washington County?
Washington County holds 37 places: 12 cities, villages and boroughs (incorporated places) and 25 towns and townships (county subdivisions with their own government). The largest is Washington with 1,063 residents (2025 estimate). Places that cross a county line are listed with the share of their 2020 residents who live in this county.
| Washington | 1,071 | $58,438 |
|---|---|---|
| Hanover Township | 913 | $64,464 |
| Hanover | 690 | $67,813 |
| Linn Township | 517 | $81,875 |
| Greenleaf Township | 415 | $63,000 |
| Linn | 387 | $74,432 |
| Clifton Township | 351 | $63,750 |
| Greenleaf | 350 | $61,250 |
| Clifton | 454 | $62,625 |
| Sherman Township, Washington County | 249 | $78,750 |
| Barnes TownshipGEOID 2020104275 | 239 | $56,875 |
| Mill Creek Township, Washington CountyGEOID 2020146750 | 178 | $56,250 |
| Farmington Township, Washington CountyGEOID 2020123275 | 172 | $29,269 |
| Washington Township, Washington CountyGEOID 2020175850 | 172 | $108,333 |
| BarnesGEOID 2004250 | 165 | $27,222 |
| Haddam TownshipGEOID 2020129425 | 158 | $66,250 |
| Strawberry TownshipGEOID 2020168550 | 142 | not published |
| PalmerGEOID 2054200 | 125 | $52,500 |
| MorrowvilleGEOID 2048450 | 114 | $77,750 |
| HaddamGEOID 2029400 | 110 | $67,500 |
| Logan Township, Washington CountyGEOID 2020142300 | 108 | $102,679 |
| Independence Township, Washington CountyGEOID 2020133950 | 101 | $71,875 |
| Sheridan Township, Washington CountyGEOID 2020164775 | 92 | not published |
| Franklin Township, Washington CountyGEOID 2020124525 | 84 | $53,542 |
| Little Blue TownshipGEOID 2020141500 | 79 | $44,107 |
| Charleston TownshipGEOID 2020112625 | 67 | $68,281 |
| Union Township, Washington CountyGEOID 2020172475 | 65 | $86,750 |
| Lincoln Township, Washington CountyGEOID 2020141250 | 61 | not published |
| Brantford TownshipGEOID 2020108250 | 60 | $110,313 |
| Grant Township, Washington CountyGEOID 2020128175 | 57 | not published |
| Kimeo TownshipGEOID 2020136850 | 54 | $66,429 |
| Coleman TownshipGEOID 2020114750 | 52 | $30,893 |
| Lowe TownshipGEOID 2020143025 | 49 | not published |
| MahaskaGEOID 2044150 | 46 | $85,500 |
| Highland Township, Washington CountyGEOID 2020132025 | 24 | not published |
| ViningGEOID 2073950 | 43 | $24,205 |
| HollenbergGEOID 2032650 | 10 | not published |
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 Washington County?
The median resident of Washington County is 43.4 years old; 24.2% are under 18 and 23.6% are 65 or older. The largest group is non-Hispanic white residents at 89.9%, then Hispanic or Latino residents (of any race) at 4.9%. 2.8% of residents were born outside the United States.
| Measure | Washington County | Kansas | Change since 2015-2019 |
|---|---|---|---|
| Median age | 43.4±0.6 | 37.4 | −2.0 |
| Under 18 years | 24.2%±0.4 pts | 23.8% | – |
| 65 years and over | 23.6%±0.2 pts | 17.0% | – |
| Hispanic or Latino (any race) | 4.9% | 13.6% | +1.3 pts |
| White alone, not Hispanic | 89.9%±1.3 pts | 72.7% | −5.8 pts |
| Black or African American alone, not Hispanic | 0.1%±0.1 pts | 5.2% | – |
| Asian alone, not Hispanic | 0.4%±0.2 pts | 2.9% | – |
| American Indian and Alaska Native alone, not Hispanic | 0.4%±0.3 pts | 0.4% | – |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0%±0.5 pts | 0.1% | – |
| Two or more races, not Hispanic | 3.3%±1.1 pts | 4.8% | – |
| Some other race alone, not Hispanic | 1.0%±0.6 pts | 0.4% | – |
| Born outside the United States | 2.8%±0.6 pts | 7.4% | no clear change |
| Speak a language other than English at home (age 5+) | 5.6%±0.9 pts | 12.1% | – |
| Civilian veterans (age 18+) | 8.2%±1.2 pts | 6.8% | – |
| With a disability | 14.4%±1.7 pts | 13.5% | – |
| No health insurance coverage | 5.4%±1.4 pts | 8.8% | no clear change |
| High school graduate or higher (age 25+) | 95.0%±1.3 pts | 92.0% | – |
| Bachelor's degree or higher (age 25+) | 25.8%±2.7 pts | 35.6% | +5.5 pts |
| Graduate or professional degree (age 25+) | 7.7%±1.7 pts | 13.4% | – |
| Moved from another state in the past year | 1.1%±0.5 pts | 3.0% | – |
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 Washington County earn?
Half of Washington County's 2,373 households earn less than $65,482 a year (±$3,563), against $74,275 in Kansas. In 2015-2019 it was $62,258 in 2024 dollars; the margins of error cannot tell the two periods apart. 9.3% of residents live below the poverty line.
| Measure | Washington County | Kansas | Change since 2015-2019 |
|---|---|---|---|
| Median household income | $65,482±$3,563 | $74,275 | no clear change |
| Mean household income | $82,039±$6,569 | $100,417 | – |
| Per capita income | $35,692±$2,791 | $40,978 | no clear change |
| People below the poverty line | 9.3%±1.8 pts | 11.3% | no clear change |
| Children under 18 below the poverty line | 11.7%±3.1 pts | 13.1% | no clear change |
| Households receiving SNAP | 5.4%±1.9 pts | 6.8% | – |
| Households with a broadband subscription | 80.6%±2.9 pts | 90.7% | – |
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 Washington County?
Owners occupy 78.5% of Washington County's occupied homes and renters 21.5%. The median owner-occupied home is valued at $117,100 by its owner (±$6,751). The median renter pays $562 a month including utilities, and 17.8% of renters pay 35% or more of their income on rent.
| Measure | Washington County | Kansas | Change since 2015-2019 |
|---|---|---|---|
| Median home value (owner-occupied) | $117,100±$6,751 | $217,200 | +$16,183 |
| Median gross rent | $562±$30 | $1,060 | no clear change |
| Renters paying 35% or more of income on rent | 17.8%±6.8 pts | 34.5% | no clear change |
| Median monthly owner costs, with a mortgage | $1,161±$54 | $1,689 | – |
| Owner-occupied homes | 78.5%±3.3 pts | 67.2% | no clear change |
| Housing units | 2,714±23 | 1,293,635 | −218 |
| Homeowner vacancy rate | 0.9%±1.3 pts | 0.9% | – |
| Rental vacancy rate | 6.1%±4.9 pts | 6.2% | – |
| Single-family detached homes | 90.2%±2.3 pts | 71.8% | – |
| Mobile homes | 2.6%±1.3 pts | 4.0% | – |
| Built 2020 or later | 0.3%±0.2 pts | 1.4% | – |
| Built 1939 or earlier | 40.0%±3.1 pts | 15.4% | – |
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 Washington County building?
Builders took permits for 0 new housing units across Washington County in 2025 (0 single-family), 0.0 per 1,000 residents.
Source: Building Permits Survey, annual county files 2019-2025, U.S. Census Bureau · Census Building Permits Survey
How do people in Washington County get to work?
77.9% of Washington County's workers drive alone and 8.3% work from home. The average trip to work takes 20.3 minutes. The unemployment rate in 2020-2024 averaged 1.1%.
| Measure | Washington County | Kansas | Change since 2015-2019 |
|---|---|---|---|
| In the labor force (age 16+) | 63.5%±2.6 pts | 66.1% | – |
| Unemployment rate | 1.1%±0.7 pts | 3.9% | no clear change |
| Drove alone to work | 77.9%±2.6 pts | 75.4% | – |
| Carpooled | 8.5%±1.8 pts | 8.7% | – |
| Public transportation | 0.4%±0.6 pts | 0.4% | – |
| Walked | 3.8%±1.1 pts | 2.3% | – |
| Worked from home | 8.3%±1.8 pts | 11.8% | +3.7 pts |
| Mean travel time to work | 20.3 min±1.7 | 19.7 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 are Washington County's census tracts?
Washington County is divided into 2 census tracts. Among those with a reliable estimate, median household income runs from $60,815 (Tract 9786) to $67,697 (Tract 9787).
| Tract 978620201978600 | 3,136±137 | $60,815 |
|---|---|---|
| Tract 978720201978700 | 2,397±137 | $67,697 |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) · Check it at data.census.gov
How does Washington County compare with Kansas's other counties?
| Measure | Rank |
|---|---|
| Population | 62nd of 105 |
| Growth 2020-2025 | 26th of 105 |
| Residents per square mile | 68th of 105 |
| Median household income | 47th of 105 |
| Median home value | 60th of 105 |
| Median gross rent | 102nd of 104 |
| Poverty rate | 69th of 102 |
| Bachelor's degree or higher | 39th of 105 |
| Median age | 34th of 105 |
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 Washington 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.