Skip to main content
Population Review

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.

Jefferson County within Oklahoma · Source: US Census TIGER/Line via us-atlas

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%.

2011 · 6K20102024

5,374

Population (2024)

6,436

Population (2010)

6,449

Peak (2011)

-1.24%

Avg Annual Growth

YearPopulation
20106,436
20116,449
20126,336
20136,354
20146,288
20156,259
20166,239
20176,158
20186,088
20195,988
20205,331
20215,401
20225,428
20235,367
20245,374

Race & Ethnicity

White79.7%
Black or African American1.4%
Asian0.0%
Hispanic or Latino (any race)11.3%
Two or More Races0.0%

Age & Sex

41.2

Median Age

50.7%

Female

49.3%

Male

20.9%

Age 65+

Age Distribution

Under 5
5.5%
5–9
7.7%
10–14
7.7%
15–19
6.5%
20–24
4.6%
25–34
11.0%
35–44
10.6%
45–54
11.5%
55–59
5.3%
60–64
8.7%
65–74
11.9%
75–84
6.8%
85+
2.2%

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 rate17.5%+6.4% vs state
Unemployment rate2.2%
Employment-to-population51.7%

Top Industries by Employment

Professional & business services
17.4%
Agriculture
16.7%
Manufacturing
12.9%
Education & health care
8.9%
Information
6.4%
Construction
6.1%
Retail trade
5.4%
Finance & real estate
5.1%

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.

Data from the American Community Survey (ACS) 5-Year estimates.

Source: U.S. Census Bureau ACS, 2026.