Delaware County, Oklahoma Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 25th-largest in Oklahoma
The population of Delaware County, Oklahoma is 41,017 as of the 2023 American Community Survey, making it the 25th-largest county in Oklahoma. The median household income is $55,114, the median home value is $164,900, and the median age is 47.0.
The population of Delaware County has grown 0.5% since 2010 (41,564 → 41,771), a +0.04% annualized rate.
41,017
Population
+0.04%
Annual growth
56
People / sq mi
$55,114
Median Income
$164,900
Median Home Value
Delaware County covers 738 sq mi of land at 55.6 people per square mile.
About Delaware County, OK
Delaware County is a county in Oklahoma with a population of 41,017. It ranks #25 among counties in Oklahoma by population. The median age is 47.0, older than the national median. The population is 49.5% male and 50.5% female.
The median household income in Delaware County is $55,114, below the US median of $74,580. 13.7% of residents live below the federal poverty level. Home values sit at a median of $164,900, with monthly rent averaging $868. The homeownership rate of 75.9% is higher than the national rate of 64.8%.
Educational attainment in Delaware County reflects 19.2% of adults 25 and older holding a bachelor's degree or higher, below the national average of 34.3%. Roughly 8.1% of workers primarily work from home, below the national work-from-home rate of 14.2%. The average commute is 29.7 minutes each way.
Delaware County Population History (2010-2024)
The county of Delaware County had a population of 41,564 in 2010 and 41,771 in 2024, a 0.5% growth over 14 years. The peak was 43,011 in 2019. Average annual growth rate: 0.05%.
41,771
Population (2024)
41,564
Population (2010)
43,011
Peak (2019)
0.05%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 41,564 |
| 2011 | 41,664 |
| 2012 | 41,733 |
| 2013 | 41,717 |
| 2014 | 41,792 |
| 2015 | 41,738 |
| 2016 | 41,967 |
| 2017 | 42,692 |
| 2018 | 42,897 |
| 2019 | 43,011 |
| 2020 | 40,390 |
| 2021 | 40,969 |
| 2022 | 41,491 |
| 2023 | 41,775 |
| 2024 | 41,771 |
Race & Ethnicity
| White | 63.5% |
| Black or African American | 0.5% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 31.2% |
| Two or More Races | 0.0% |
Age & Sex
47.0
Median Age
50.5%
Female
49.5%
Male
25.3%
Age 65+
Age Distribution
Children (under 15): 16.1% · Seniors (65+): 25.3%
Income & Poverty
| Median household income | $55,114$-8,489 vs state |
| Mean household income | $74,796 |
| Per-capita income | $35,376 |
| Poverty rate | 13.7%+2.6% vs state |
| Unemployment rate | 2.5% |
| Employment-to-population | 48.7% |
Top Industries by Employment
The largest employment sector in Delaware County is professional & business services, accounting for 21.5% of workers.
How residents commute
0.0%
Drive alone
1.6%
Carpool
76.0%
Public transit
8.1%
Work from home
29.7 min
Avg commute
Housing
$164,900$-21,000 vs state
Median home value
$868
Median rent
75.9%
Homeownership rate
24,282
Total housing units
69.7%
Occupied
30.3%
Vacant
24.1%
Renter-occupied
Social & access
85.0%
With health insurance
91.6%
With broadband internet
51.2%
Foreign-born
9.0%
Veterans (18+)
21.8%
With a disability
95.9%
Speak language other than English at home
Education
87.4%
High School+
19.2%
Bachelor's+
Largest cities in Oklahoma
Other counties in Oklahoma
Part of Oklahoma
Metro areas in Oklahoma
County rankings
Frequently Asked Questions
Delaware County, Oklahoma has a population of 41,017 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 25th-largest county in Oklahoma. Population density is 56 people per square mile.
The population of Delaware County has grown 0.5% since 2010 (41,564 → 41,771), a +0.04% annualized rate.
The median household income in Delaware County, Oklahoma is $55,114, with mean (average) household income of $74,796 and per-capita income of $35,376. 13.7% of residents live below the federal poverty level.
In Delaware County, the largest racial and ethnic groups are White (63.5%), Hispanic or Latino (31.2%), Black or African American (0.5%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Delaware County, Oklahoma is 47.0 years. Residents are 50.5% female and 49.5% male.
The median home value in Delaware County is $164,900 and median monthly rent is $868. 75.9% of occupied housing units are owner-occupied. The county has 24,282 total housing units, 30.3% of which are vacant.
The largest employment sector in Delaware County, Oklahoma is professional, scientific, and management services, employing 21.5% of workers. The unemployment rate is 2.5%.
Oklahoma City is among the largest cities associated with Delaware County, Oklahoma, with a population of 688,693.
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Statewide data for Oklahoma
Population, race, income, age, and trends across Oklahoma
Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.