Grant County, Oklahoma Population 2026

Updated April 2026 · US Census ACS 2023 5-Year Estimates · 72nd-largest in Oklahoma

The population of Grant County, Oklahoma is 4,137 as of the 2023 American Community Survey, making it the 72nd-largest county in Oklahoma. The median household income is $61,824, the median home value is $79,500, and the median age is 42.9.

The population of Grant County has declined 9.1% since 2010 (4,536 → 4,123), a -0.68% annualized rate.

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

4,137

Population

-0.68%

Annual growth

People / sq mi

$61,824

Median Income

$79,500

Median Home Value

Grant County covers 1,001 sq mi of land at 4.1 people per square mile.

About Grant County, OK

Grant County is a county in Oklahoma with a population of 4,137. It ranks #72 among counties in Oklahoma by population. The median age is 42.9, older than the national median. The population is 50.5% male and 49.5% female.

The median household income in Grant County is $61,824, below the US median of $74,580. 9.6% of residents live below the federal poverty level. Home values sit at a median of $79,500, with monthly rent averaging $856. The homeownership rate of 75.1% is higher than the national rate of 64.8%.

Educational attainment in Grant County reflects 22.7% of adults 25 and older holding a bachelor's degree or higher, below the national average of 34.3%. Roughly 8.2% of workers primarily work from home, below the national work-from-home rate of 14.2%. The average commute is 25.7 minutes each way.

Grant County Population History (2010-2024)

The county of Grant County had a population of 4,536 in 2010 and 4,123 in 2024, a -9.1% growth over 14 years. The peak was 4,562 in 2011. Average annual growth rate: -0.67%.

4,123

Population (2024)

4,536

Population (2010)

4,562

Peak (2011)

-0.67%

Avg Annual Growth

Year	Population	Change	Annual %	Source
2010	4,536	-	-	estimate
2011	4,562	+26	+0.57%	estimate
2012	4,532	-30	-0.66%	estimate
2013	4,517	-15	-0.33%	estimate
2014	4,469	-48	-1.06%	estimate
2015	4,497	+28	+0.63%	estimate
2016	4,454	-43	-0.96%	estimate
2017	4,376	-78	-1.75%	estimate
2018	4,315	-61	-1.39%	estimate
2019	4,328	+13	+0.30%	estimate
2020	4,177	-151	-3.49%	estimate
2021	4,142	-35	-0.84%	estimate
2022	4,124	-18	-0.43%	estimate
2023	4,088	-36	-0.87%	estimate
2024	4,123	+35	+0.86%	estimate

Race & Ethnicity

White	88.5%
Black or African American	2.1%
Asian	0.0%
Hispanic or Latino (any race)	5.1%
Two or More Races	0.0%

Age & Sex

42.9

Median Age

49.5%

Female

50.5%

Male

22.5%

Age 65+

Age Distribution

Under 5

5.9%

5–9

4.9%

10–14

8.1%

15–19

6.3%

20–24

5.3%

25–34

10.6%

35–44

11.7%

45–54

10.2%

55–59

5.6%

60–64

8.8%

65–74

12.5%

75–84

6.2%

85+

3.8%

Children (under 15): 18.9% · Seniors (65+): 22.5%

Income & Poverty

Median household income	$61,824$-1,779 vs state
Mean household income	$78,906
Per-capita income	$33,181
Poverty rate	9.6%-1.5% vs state
Unemployment rate	2.2%
Employment-to-population	53.0%

Top Industries by Employment

Professional & business services

21.7%

Agriculture

12.4%

Retail trade

9.1%

Finance & real estate

7.6%

Public administration

7.1%

Construction

6.1%

Information

5.8%

Manufacturing

5.5%

The largest employment sector in Grant County is professional & business services, accounting for 21.7% of workers.

How residents commute

0.0%

Drive alone

1.8%

Carpool

80.2%

Public transit

8.2%

Work from home

25.7 min

Avg commute

Housing

$79,500$-106,400 vs state

Median home value

$856

Median rent

75.1%

Homeownership rate

2,175

Total housing units

71.5%

Occupied

28.5%

Vacant

24.9%

Renter-occupied

Social & access

88.6%

With health insurance

92.3%

With broadband internet

32.7%

Foreign-born

10.5%

Veterans (18+)

19.7%

With a disability

97.1%

Speak language other than English at home

Education

91.2%

High School+

22.7%

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

Grant County, Oklahoma has a population of 4,137 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 72nd-largest county in Oklahoma. Population density is 4 people per square mile.

The population of Grant County has declined 9.1% since 2010 (4,536 → 4,123), a -0.68% annualized rate.

The median household income in Grant County, Oklahoma is $61,824, with mean (average) household income of $78,906 and per-capita income of $33,181. 9.6% of residents live below the federal poverty level.

In Grant County, the largest racial and ethnic groups are White (88.5%), Hispanic or Latino (5.1%), Black or African American (2.1%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.

The median age in Grant County, Oklahoma is 42.9 years. Residents are 49.5% female and 50.5% male.

The median home value in Grant County is $79,500 and median monthly rent is $856. 75.1% of occupied housing units are owner-occupied. The county has 2,175 total housing units, 28.5% of which are vacant.

The largest employment sector in Grant County, Oklahoma is professional, scientific, and management services, employing 21.7% of workers. The unemployment rate is 2.2%.

Oklahoma City is among the largest cities associated with Grant County, Oklahoma, with a population of 688,693.