County · Oklahoma
Delaware County, Oklahoma
Delaware County, Oklahoma. Delaware County had 41,910 residents in 2025 by the Census Bureau's estimate, up 3.8% since 2020, in line with Oklahoma (+4.1%). It holds 33 places (8 cities, villages and boroughs and 25 census-designated) and 13 census tracts. GEOID 40041.
Residents, July 2025 estimate
41,910
Census Bureau estimate (no margin published)
2020 Census count: 40,397 · ACS 2020-2024: 41,279
Median household income
$56,676
±$2,693 (90% margin)
Oklahoma: $65,039
Median home value
$175,300
±$10,652 (90% margin)
Oklahoma: $199,800
Median gross rent
$913
±$54 (90% margin)
Oklahoma: $1,014
How many people live in Delaware County, and is it growing?
The 2020 Census counted 40,397 residents in Delaware County. The Census Bureau estimates 41,910 for July 1, 2025, up 3.8% since 2020, in line with Oklahoma (+4.1%). The 2020-2024 American Community Survey puts the population at 41,279 over 738 square miles of land.
| Measure | Delaware County | Oklahoma | Change since 2015-2019 |
|---|---|---|---|
| Total population | 41,279 | 4,028,634 | −1,154 |
| Households | 17,161±307 | 1,562,389 | +422 |
| Average household size | 2.37±0.04 | 2.50 | −0.14 |
| Housing units | 24,396±54 | 1,775,127 | −1,078 |
Delaware County's population since 2000
From 37,077 in 2000 to 41,910 in 2025: up 13.0%. 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 Delaware County?
Delaware County holds 33 places: 8 cities, villages and boroughs (incorporated places) and 25 census-designated places. The largest is Grove with 7,399 residents (2025 estimate). Places that cross a county line are listed with the share of their 2020 residents who live in this county.
| Grove | 6,956 | $58,941 |
|---|---|---|
| Jay | 2,425 | $38,094 |
| Copeland | 1,511 | $57,558 |
| Cleora | 1,220 | $82,321 |
| West Siloam Springs | 1,000 | $59,904 |
| Flint Creek | 741 | $48,036 |
| Colcord | 728 | $31,094 |
| Kansas | 711 | $33,438 |
| Kenwood | 904 | $58,135 |
| Bernice | 422 | $40,833 |
| New EuchaGEOID 4051275 | 400 | not published |
| Twin OaksGEOID 4075600 | 328 | $34,750 |
| Cloud CreekGEOID 4015625 | 319 | not published |
| Oaks | 267 | $46,875 |
| Leach | 249 | $70,938 |
| DennisGEOID 4020100 | 221 | $87,589 |
| Oak Hill-PineyGEOID 4053301 | 191 | $49,398 |
| ZenaGEOID 4083050 | 181 | not published |
| Drowning CreekGEOID 4021676 | 174 | not published |
| CayugaGEOID 4012915 | 160 | $60,074 |
| Butler, Delaware CountyGEOID 4010460 | 146 | not published |
| DodgeGEOID 4021020 | 89 | not published |
| White WaterGEOID 4080912 | 79 | $47,813 |
| SycamoreGEOID 4071965 | 65 | not published |
| Bull HollowGEOID 4009887 | 61 | not published |
| Rocky Ford | 283 | $61,250 |
| Dripping SpringsGEOID 4021672 | 54 | not published |
| Indianola, Delaware CountyGEOID 4036945 | 51 | not published |
| Deer LickGEOID 4019665 | 34 | not published |
| Old EuchaGEOID 4055275 | 23 | not published |
| Ketchum | 471 | $55,000 |
| Brush CreekGEOID 4009612 | 14 | not published |
| Tagg FlatsGEOID 4072075 | 12 | 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 Delaware County?
The median resident of Delaware County is 46.9 years old; 19.8% are under 18 and 25.7% are 65 or older. The largest group is non-Hispanic white residents at 62.1%, then non-Hispanic American Indian and Alaska Native residents at 19.9%. 1.9% of residents were born outside the United States.
| Measure | Delaware County | Oklahoma | Change since 2015-2019 |
|---|---|---|---|
| Median age | 46.9±0.2 | 37.0 | no clear change |
| Under 18 years | 19.8%±0.1 pts | 24.0% | – |
| 65 years and over | 25.7%±0.1 pts | 16.3% | – |
| Hispanic or Latino (any race) | 4.5% | 12.7% | +0.7 pts |
| White alone, not Hispanic | 62.1%±0.3 pts | 62.1% | −1.6 pts |
| Black or African American alone, not Hispanic | 0.4%±0.1 pts | 6.8% | no clear change |
| Asian alone, not Hispanic | 1.5%±0.1 pts | 2.4% | +0.3 pts |
| American Indian and Alaska Native alone, not Hispanic | 19.9%±1.1 pts | 6.6% | – |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.1%±0.1 pts | 0.2% | – |
| Two or more races, not Hispanic | 11.0%±1.0 pts | 8.9% | – |
| Some other race alone, not Hispanic | 0.3%±0.2 pts | 0.3% | – |
| Born outside the United States | 1.9%±0.3 pts | 6.4% | no clear change |
| Speak a language other than English at home (age 5+) | 4.5%±0.5 pts | 11.5% | – |
| Civilian veterans (age 18+) | 8.6%±0.7 pts | 7.9% | – |
| With a disability | 22.0%±1.3 pts | 17.2% | – |
| No health insurance coverage | 13.7%±1.1 pts | 12.9% | −5.1 pts |
| High school graduate or higher (age 25+) | 88.5%±1.2 pts | 89.4% | – |
| Bachelor's degree or higher (age 25+) | 19.9%±1.4 pts | 28.3% | no clear change |
| Graduate or professional degree (age 25+) | 6.7%±0.9 pts | 9.9% | – |
| Moved from another state in the past year | 4.4%±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 Delaware County earn?
Half of Delaware County's 17,161 households earn less than $56,676 a year (±$2,693), against $65,039 in Oklahoma. In 2015-2019 the median was $51,315 in 2024 dollars, so it rose by $5,361 after inflation. 19.0% of residents live below the poverty line.
| Measure | Delaware County | Oklahoma | Change since 2015-2019 |
|---|---|---|---|
| Median household income | $56,676±$2,693 | $65,039 | +$5,361 |
| Mean household income | $77,839±$3,477 | $88,936 | – |
| Per capita income | $36,971±$5,555 | $35,624 | +$7,348 |
| People below the poverty line | 19.0%±1.5 pts | 15.3% | no clear change |
| Children under 18 below the poverty line | 26.5%±4.1 pts | 20.1% | no clear change |
| Households receiving SNAP | 15.6%±1.4 pts | 14.1% | – |
| Households with a broadband subscription | 85.9%±1.5 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 Delaware County?
Owners occupy 77.1% of Delaware County's occupied homes and renters 22.9%. The median owner-occupied home is valued at $175,300 by its owner (±$10,652). The median renter pays $913 a month including utilities, and 37.7% of renters pay 35% or more of their income on rent.
| Measure | Delaware County | Oklahoma | Change since 2015-2019 |
|---|---|---|---|
| Median home value (owner-occupied) | $175,300±$10,652 | $199,800 | +$30,201 |
| Median gross rent | $913±$54 | $1,014 | +$66 |
| Renters paying 35% or more of income on rent | 37.7%±4.8 pts | 37.5% | no clear change |
| Median monthly owner costs, with a mortgage | $1,279±$72 | $1,539 | – |
| Owner-occupied homes | 77.1%±1.7 pts | 65.8% | no clear change |
| Housing units | 24,396±54 | 1,775,127 | −1,078 |
| Homeowner vacancy rate | 2.1%±0.7 pts | 1.2% | – |
| Rental vacancy rate | 4.7%±1.7 pts | 6.5% | – |
| Single-family detached homes | 66.0%±1.6 pts | 72.7% | – |
| Mobile homes | 25.0%±1.3 pts | 8.2% | – |
| Built 2020 or later | 1.4%±0.3 pts | 2.0% | – |
| Built 1939 or earlier | 3.0%±0.5 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 Delaware County building?
Builders took permits for 65 new housing units across Delaware County in 2025 (51 single-family), 1.6 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 Delaware County get to work?
75.9% of Delaware County's workers drive alone and 9.4% work from home. The average trip to work takes 28.6 minutes. The unemployment rate in 2020-2024 averaged 5.2%.
| Measure | Delaware County | Oklahoma | Change since 2015-2019 |
|---|---|---|---|
| In the labor force (age 16+) | 49.7%±1.5 pts | 61.2% | – |
| Unemployment rate | 5.2%±0.8 pts | 5.0% | no clear change |
| Drove alone to work | 75.9%±2.1 pts | 77.4% | – |
| Carpooled | 11.2%±1.5 pts | 9.7% | – |
| Public transportation | 0.0%±0.2 pts | 0.3% | – |
| Walked | 1.6%±0.5 pts | 1.8% | – |
| Worked from home | 9.4%±1.4 pts | 9.4% | +5.3 pts |
| Mean travel time to work | 28.6 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 Delaware County's census tracts?
Delaware County is divided into 13 census tracts. Among those with a reliable estimate, median household income runs from $49,851 (Tract 3760) to $90,741 (Tract 3758.04).
| Tract 3756.0140041375601 | 3,311±353 | $67,045 |
|---|---|---|
| Tract 3756.0240041375602 | 3,357±237 | $53,623 |
| Tract 3757.0140041375701 | 4,267±327 | $68,382 |
| Tract 3757.0240041375702 | 3,839±462 | $53,239 |
| Tract 3758.0340041375803 | 1,987±174 | $51,619 |
| Tract 3758.0440041375804 | 1,033±187 | $90,741 |
| Tract 3758.0540041375805 | 2,386±278 | $69,271 |
| Tract 3758.0640041375806 | 1,298±193 | $52,240 |
| Tract 3759.0140041375901 | 2,611±273 | $57,375 |
| Tract 3759.0240041375902 | 1,077±194 | $46,875 |
| Tract 376040041376000 | 5,599±378 | $49,851 |
| Tract 376140041376100 | 4,938±348 | $53,295 |
| Tract 976240041976200 | 5,576±347 | $53,134 |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) · Check it at data.census.gov
How does Delaware County compare with Oklahoma's other counties?
| Measure | Rank |
|---|---|
| Population | 25th of 77 |
| Growth 2020-2025 | 18th of 77 |
| Residents per square mile | 21st of 77 |
| Median household income | 47th of 77 |
| Median home value | 17th of 77 |
| Median gross rent | 15th of 77 |
| Poverty rate | 25th of 77 |
| Bachelor's degree or higher | 39th of 77 |
| Median age | 2nd 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 Delaware 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.