County · Oklahoma
Dewey County, Oklahoma
Dewey County, Oklahoma. Dewey County had 4,207 residents in 2025 by the Census Bureau's estimate, down 6.2% since 2020, while Oklahoma grew 4.1%. It holds 8 places (7 cities, villages and boroughs and 1 census-designated) and 3 census tracts. GEOID 40043.
Residents, July 2025 estimate
4,207
Census Bureau estimate (no margin published)
2020 Census count: 4,484 · ACS 2020-2024: 4,360
Median household income
$62,569
±$7,228 (90% margin)
Oklahoma: $65,039
Median home value
$133,600
±$10,773 (90% margin)
Oklahoma: $199,800
Median gross rent
$912
±$86 (90% margin)
Oklahoma: $1,014
How many people live in Dewey County, and is it growing?
The 2020 Census counted 4,484 residents in Dewey County. The Census Bureau estimates 4,207 for July 1, 2025, down 6.2% since 2020, while Oklahoma grew 4.1%. The 2020-2024 American Community Survey puts the population at 4,360 over 1,000 square miles of land.
| Measure | Dewey County | Oklahoma | Change since 2015-2019 |
|---|---|---|---|
| Total population | 4,360 | 4,028,634 | −562 |
| Households | 1,631±64 | 1,562,389 | no clear change |
| Average household size | 2.63±0.10 | 2.50 | −0.23 |
| Housing units | 2,184±22 | 1,775,127 | −264 |
Dewey County's population since 2000
From 4,743 in 2000 to 4,207 in 2025: down 11.3%. 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 Dewey County?
Dewey County holds 8 places: 7 cities, villages and boroughs (incorporated places) and 1 census-designated place. The largest is Seiling with 800 residents (2025 estimate). Places that cross a county line are listed with the share of their 2020 residents who live in this county.
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 Dewey County?
The median resident of Dewey County is 38.5 years old; 27.3% are under 18 and 19.6% are 65 or older. The largest group is non-Hispanic white residents at 80.8%, then non-Hispanic residents of two or more races at 9.4%. 1.5% of residents were born outside the United States.
| Measure | Dewey County | Oklahoma | Change since 2015-2019 |
|---|---|---|---|
| Median age | 38.5±0.6 | 37.0 | no clear change |
| Under 18 years | 27.3%±0.3 pts | 24.0% | – |
| 65 years and over | 19.6%±0.3 pts | 16.3% | – |
| Hispanic or Latino (any race) | 6.0% | 12.7% | −1.5 pts |
| White alone, not Hispanic | 80.8%±0.2 pts | 62.1% | −1.2 pts |
| Black or African American alone, not Hispanic | 0.0%±0.1 pts | 6.8% | – |
| Asian alone, not Hispanic | 0.1%±0.1 pts | 2.4% | – |
| American Indian and Alaska Native alone, not Hispanic | 3.6%±0.9 pts | 6.6% | – |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0%±0.6 pts | 0.2% | – |
| Two or more races, not Hispanic | 9.4%±1.0 pts | 8.9% | – |
| Some other race alone, not Hispanic | 0.0%±0.6 pts | 0.3% | – |
| Born outside the United States | 1.5%±0.6 pts | 6.4% | no clear change |
| Speak a language other than English at home (age 5+) | 3.0%±0.6 pts | 11.5% | – |
| Civilian veterans (age 18+) | 5.5%±1.3 pts | 7.9% | – |
| With a disability | 19.1%±1.8 pts | 17.2% | – |
| No health insurance coverage | 12.6%±2.0 pts | 12.9% | no clear change |
| High school graduate or higher (age 25+) | 91.9%±1.9 pts | 89.4% | – |
| Bachelor's degree or higher (age 25+) | 22.4%±2.6 pts | 28.3% | no clear change |
| Graduate or professional degree (age 25+) | 7.9%±1.9 pts | 9.9% | – |
| Moved from another state in the past year | 1.6%±0.9 pts | 2.7% | – |
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 Dewey County earn?
Half of Dewey County's 1,631 households earn less than $62,569 a year (±$7,228), against $65,039 in Oklahoma. In 2015-2019 it was $64,523 in 2024 dollars; the margins of error cannot tell the two periods apart. 14.1% of residents live below the poverty line.
| Measure | Dewey County | Oklahoma | Change since 2015-2019 |
|---|---|---|---|
| Median household income | $62,569±$7,228 | $65,039 | no clear change |
| Mean household income | $81,140±$6,186 | $88,936 | – |
| Per capita income | $31,627±$2,196 | $35,624 | no clear change |
| People below the poverty line | 14.1%±3.0 pts | 15.3% | no clear change |
| Children under 18 below the poverty line | 21.2%±5.6 pts | 20.1% | no clear change |
| Households receiving SNAP | 9.1%±2.9 pts | 14.1% | – |
| Households with a broadband subscription | 85.7%±2.4 pts | 88.9% | – |
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 Dewey County?
Owners occupy 76.4% of Dewey County's occupied homes and renters 23.6%. The median owner-occupied home is valued at $133,600 by its owner (±$10,773). The median renter pays $912 a month including utilities, and 18.7% of renters pay 35% or more of their income on rent.
| Measure | Dewey County | Oklahoma | Change since 2015-2019 |
|---|---|---|---|
| Median home value (owner-occupied) | $133,600±$10,773 | $199,800 | no clear change |
| Median gross rent | $912±$86 | $1,014 | no clear change |
| Renters paying 35% or more of income on rent | 18.7%±6.9 pts | 37.5% | −18.3 pts |
| Median monthly owner costs, with a mortgage | $1,249±$75 | $1,539 | – |
| Owner-occupied homes | 76.4%±3.9 pts | 65.8% | no clear change |
| Housing units | 2,184±22 | 1,775,127 | −264 |
| Homeowner vacancy rate | 1.3%±0.8 pts | 1.2% | – |
| Rental vacancy rate | 13.3%±8.1 pts | 6.5% | – |
| Single-family detached homes | 76.6%±2.7 pts | 72.7% | – |
| Mobile homes | 21.2%±2.6 pts | 8.2% | – |
| Built 2020 or later | 0.6%±0.4 pts | 2.0% | – |
| Built 1939 or earlier | 14.1%±2.6 pts | 6.9% | – |
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 Dewey County building?
Builders took permits for 6 new housing units across Dewey County in 2025 (6 single-family), 1.4 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 Dewey County get to work?
75.6% of Dewey County's workers drive alone and 6.9% work from home. The average trip to work takes 19.6 minutes. The unemployment rate in 2020-2024 averaged 3.5%.
| Measure | Dewey County | Oklahoma | Change since 2015-2019 |
|---|---|---|---|
| In the labor force (age 16+) | 57.5%±2.4 pts | 61.2% | – |
| Unemployment rate | 3.5%±1.7 pts | 5.0% | no clear change |
| Drove alone to work | 75.6%±4.0 pts | 77.4% | – |
| Carpooled | 9.2%±2.0 pts | 9.7% | – |
| Public transportation | 0.0%±1.4 pts | 0.3% | – |
| Walked | 6.1%±2.2 pts | 1.8% | – |
| Worked from home | 6.9%±2.1 pts | 9.4% | no clear change |
| Mean travel time to work | 19.6 min±1.5 | 22.4 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 Dewey County's census tracts?
Dewey County is divided into 3 census tracts. Among those with a reliable estimate, median household income runs from $59,375 (Tract 9592) to $68,393 (Tract 9593).
| Tract 959140043959100 | 1,510±147 | $59,643 |
|---|---|---|
| Tract 959240043959200 | 1,624±143 | $59,375 |
| Tract 959340043959300 | 1,226±117 | $68,393 |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) · Check it at data.census.gov
How does Dewey County compare with Oklahoma's other counties?
| Measure | Rank |
|---|---|
| Population | 71st of 77 |
| Growth 2020-2025 | 75th of 77 |
| Residents per square mile | 71st of 77 |
| Median household income | 24th of 77 |
| Median home value | 49th of 77 |
| Median gross rent | 16th of 77 |
| Poverty rate | 57th of 77 |
| Bachelor's degree or higher | 27th of 77 |
| Median age | 52nd of 77 |
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 Dewey 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.