Data / Population / Grant County

Population in Grant County

Population in Grant County was 4,067 in 2025, according to the U.S. Census Bureau. That is down 1.6% from 2024. That is the 72nd highest of 77 counties in 2025.

2025, persons4,067
Change on 2024-1.6%
Rank72nd of 77Counties in Oklahoma ranked
Series high4,1862020
Series low4,0672025

Population in Grant County, 2020 to 2025

CSVChart (SVG)

4,0504,0754,1004,1254,1504,1754,2002020202120222023202420252020: 4,186 persons2021: 4,153 persons2022: 4,132 persons2023: 4,098 persons2024: 4,132 persons2025: 4,067 persons
persons. Source: U.S. Census Bureau. Retrieved 2026-10-08, published 2026-03-26.
All 6 values
Periodpersons
20254,067
20244,132
20234,098
20224,132
20214,153
20204,186

Compared with Oklahoma and United States

Place2025
Grant County4,067
Oklahoma4,123,288
United States341,784,857

Rankings

Definition

Resident population. Spain and the EU: 1 January, with Spanish figures from the official municipal register (Padrón). United States: Census Bureau population estimates for 1 July. Other countries and the World: World Bank mid-year estimates, which count all residents regardless of legal status or citizenship.

For Denmark, Statistics Denmark counts the registered resident population on 1 January. Greenland and the Faroe Islands are excluded. The annual series selects the first-quarter reference date from FOLK1A. The World Bank series exists for every country, so use it (through compare) to rank countries on one basis.

How to cite

U.S. Census Bureau. Annual estimates of the resident population for the United States, states and counties, 1 July (Population Estimates Program). https://www2.census.gov/programs-surveys/popest/datasets/2020-2025/. Retrieved 2026-10-08.

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Questions

What is the population in Grant County?

Population in Grant County was 4,067 in 2025, according to the U.S. Census Bureau. That is down 1.6% from 2024. That is the 72nd highest of 77 counties in 2025.

Where does this figure come from?

U.S. Census Bureau. Annual estimates of the resident population for the United States, states and counties, 1 July (Population Estimates Program). Retrieved by Invokely on 2026-10-08.

What was the highest population in Grant County?

4,186 in 2020, the highest value since 2020 in this series.

More statistics for Grant County

All statistics for Grant County