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.
4,137
Population
-0.68%
Annual growth
4
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
Housing cost is the defining feature of Grant County: the median home is valued at $79,500. Grant County is a county in Oklahoma with a population of 4,137.
Median household income is $61,824, below the US median of $78,538. Poverty runs at 9.6%, below the national 12.4%. Home prices sit near the bottom of the range at $79,500, with typical rent around $856.
Roughly 22.7% of adults have a bachelor’s, below the national 35.0%. Remote work is below the national 14.0% at 8.2%, and the average commute runs about 26 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 |
|---|---|
| 2010 | 4,536 |
| 2011 | 4,562 |
| 2012 | 4,532 |
| 2013 | 4,517 |
| 2014 | 4,469 |
| 2015 | 4,497 |
| 2016 | 4,454 |
| 2017 | 4,376 |
| 2018 | 4,315 |
| 2019 | 4,328 |
| 2020 | 4,177 |
| 2021 | 4,142 |
| 2022 | 4,124 |
| 2023 | 4,088 |
| 2024 | 4,123 |
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
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
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
Other counties in Oklahoma
Part of Oklahoma
Metro areas in Oklahoma
County 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.
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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.