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

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

Housing cost is the defining feature of Jefferson County: the median home is valued at $77,500. Jefferson County is a county in Oklahoma with a population of 5,377.

Incomes run on the lower side: a median household income of $48,750, below the US median of $78,538. Poverty sits at 17.5%, above the national 12.4%. Real estate is inexpensive, with a typical home worth only $77,500, with typical rent around $588.

College attainment is 15.7%, below the national 35.0%. Most workers commute: only 4.6% work from home, below the national 14.0%, and the average commute runs about 27 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%.

Jefferson County population, 2010–2024 · Source: U.S. Census Bureau — decennial census & Population Estimates

5,374

Population (2024)

6,436

Population (2010)

6,449

Peak (2011)

-1.24%

Avg Annual Growth

Year	Population	Change	Annual %	Source
2010	6,436	-	-	estimate
2011	6,449	+13	+0.20%	estimate
2012	6,336	-113	-1.75%	estimate
2013	6,354	+18	+0.28%	estimate
2014	6,288	-66	-1.04%	estimate
2015	6,259	-29	-0.46%	estimate
2016	6,239	-20	-0.32%	estimate
2017	6,158	-81	-1.30%	estimate
2018	6,088	-70	-1.14%	estimate
2019	5,988	-100	-1.64%	estimate
2020	5,331	-657	-10.97%	estimate
2021	5,401	+70	+1.31%	estimate
2022	5,428	+27	+0.50%	estimate
2023	5,367	-61	-1.12%	estimate
2024	5,374	+7	+0.13%	estimate

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

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 rate	17.5%+6.4% vs state
Unemployment rate	2.2%
Employment-to-population	51.7%

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

Oklahoma City (688,693)Tulsa (412,322)Norman (128,714)Broken Arrow (115,919)Edmond (95,618)Lawton (90,662)Moore (63,045)Midwest City (58,170)Enid (50,821)Stillwater (48,818)All Oklahoma cities →

Other counties in Oklahoma

Oklahoma County (800,487)Tulsa County (673,708)Cleveland County (297,545)Canadian County (162,621)Comanche County (121,699)Rogers County (97,235)Wagoner County (84,339)Payne County (82,290)Pottawatomie County (73,011)Creek County (72,353)All Oklahoma counties →

Part of Oklahoma

Oklahoma demographic profile All Oklahoma data →

Metro areas in Oklahoma

Oklahoma City (1,445,122)Tulsa (1,026,209)Fort Smith (228,916)Lawton (127,174)Enid (62,322)All US metros →

County rankings

US Counties by Population Richest US Counties by Median Household Income Expensive US Counties by Home Value Educated US Counties Counties With Highest Poverty Rates Youngest US Counties by Median Age Oldest US Counties by Median Age Cheapest US Counties by Median Home Value Racially Diverse US Counties Counties With Largest Hispanic Population All 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.