Jefferson County, Oklahoma Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 68th-largest in Oklahoma
The population of Jefferson County, Oklahoma is 5,377 as of the 2023 American Community Survey, making it the 68th-largest county in Oklahoma. The median household income is $48,750, the median home value is $77,500, and the median age is 41.2.
The population of Jefferson County has declined 16.5% since 2010 (6,436 → 5,374), a -1.28% annualized rate.
5,377
Population
-1.28%
Annual growth
7
People / sq mi
$48,750
Median Income
$77,500
Median Home Value
Jefferson County covers 759 sq mi of land at 7.1 people per square mile.
About Jefferson County, OK
Jefferson County is a county in Oklahoma with a population of 5,377. It ranks #68 among counties in Oklahoma by population. The median age is 41.2, older than the national median. The population is 49.3% male and 50.7% female.
The median household income in Jefferson County is $48,750, below the US median of $74,580. 17.5% of residents live below the federal poverty level. Home values sit at a median of $77,500, with monthly rent averaging $588. The homeownership rate of 72.4% is higher than the national rate of 64.8%.
Educational attainment in Jefferson County reflects 15.7% of adults 25 and older holding a bachelor's degree or higher, below the national average of 34.3%. Roughly 4.6% of workers primarily work from home, below the national work-from-home rate of 14.2%. The average commute is 26.7 minutes each way.
Jefferson County Population History (2010-2024)
The county of Jefferson County had a population of 6,436 in 2010 and 5,374 in 2024, a -16.5% growth over 14 years. The peak was 6,449 in 2011. Average annual growth rate: -1.24%.
5,374
Population (2024)
6,436
Population (2010)
6,449
Peak (2011)
-1.24%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 6,436 |
| 2011 | 6,449 |
| 2012 | 6,336 |
| 2013 | 6,354 |
| 2014 | 6,288 |
| 2015 | 6,259 |
| 2016 | 6,239 |
| 2017 | 6,158 |
| 2018 | 6,088 |
| 2019 | 5,988 |
| 2020 | 5,331 |
| 2021 | 5,401 |
| 2022 | 5,428 |
| 2023 | 5,367 |
| 2024 | 5,374 |
Race & Ethnicity
| White | 79.7% |
| Black or African American | 1.4% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 11.3% |
| Two or More Races | 0.0% |
Age & Sex
41.2
Median Age
50.7%
Female
49.3%
Male
20.9%
Age 65+
Age Distribution
Children (under 15): 20.9% · Seniors (65+): 20.9%
Income & Poverty
| Median household income | $48,750$-14,853 vs state |
| Mean household income | $70,599 |
| Per-capita income | $30,984 |
| Poverty rate | 17.5%+6.4% vs state |
| Unemployment rate | 2.2% |
| Employment-to-population | 51.7% |
Top Industries by Employment
The largest employment sector in Jefferson County is professional & business services, accounting for 17.4% of workers.
How residents commute
3.4%
Drive alone
2.7%
Carpool
71.4%
Public transit
4.6%
Work from home
26.7 min
Avg commute
Housing
$77,500$-108,400 vs state
Median home value
$588
Median rent
72.4%
Homeownership rate
2,742
Total housing units
78.8%
Occupied
21.2%
Vacant
27.6%
Renter-occupied
Social & access
85.7%
With health insurance
91.5%
With broadband internet
41.7%
Foreign-born
7.2%
Veterans (18+)
27.5%
With a disability
93.0%
Speak language other than English at home
Education
84.8%
High School+
15.7%
Bachelor's+
Largest cities in Oklahoma
Other counties in Oklahoma
Part of Oklahoma
Metro areas in Oklahoma
County rankings
Frequently Asked Questions
Jefferson County, Oklahoma has a population of 5,377 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 68th-largest county in Oklahoma. Population density is 7 people per square mile.
The population of Jefferson County has declined 16.5% since 2010 (6,436 → 5,374), a -1.28% annualized rate.
The median household income in Jefferson County, Oklahoma is $48,750, with mean (average) household income of $70,599 and per-capita income of $30,984. 17.5% of residents live below the federal poverty level.
In Jefferson County, the largest racial and ethnic groups are White (79.7%), Hispanic or Latino (11.3%), Black or African American (1.4%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Jefferson County, Oklahoma is 41.2 years. Residents are 50.7% female and 49.3% male.
The median home value in Jefferson County is $77,500 and median monthly rent is $588. 72.4% of occupied housing units are owner-occupied. The county has 2,742 total housing units, 21.2% of which are vacant.
The largest employment sector in Jefferson County, Oklahoma is professional, scientific, and management services, employing 17.4% of workers. The unemployment rate is 2.2%.
Oklahoma City is among the largest cities associated with Jefferson County, Oklahoma, with a population of 688,693.
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Full rankings of Oklahoma counties
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.