Data / Population / Niobrara County

Population in Niobrara County

Population in Niobrara County was 2,341 in 2025, according to the U.S. Census Bureau. That is up 1.1% from 2024. That is the 23rd highest of 23 counties in 2025.

2025, persons2,341
Change on 2024+1.1%
Rank23rd of 23Counties in Wyoming ranked
Series high2,4512020
Series low2,3152024

Population in Niobrara County, 2020 to 2025

CSVChart (SVG)

2,3002,3502,4002,4502,5002020202120222023202420252020: 2,451 persons2021: 2,415 persons2022: 2,341 persons2023: 2,320 persons2024: 2,315 persons2025: 2,341 persons
persons. Source: U.S. Census Bureau. Retrieved 2026-10-08, published 2026-03-26.
All 6 values
Periodpersons
20252,341
20242,315
20232,320
20222,341
20212,415
20202,451

Compared with Wyoming and United States

Place2025
Niobrara County2,341
Wyoming588,753
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 Niobrara County?

Population in Niobrara County was 2,341 in 2025, according to the U.S. Census Bureau. That is up 1.1% from 2024. That is the 23rd highest of 23 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 Niobrara County?

2,451 in 2020, the highest value since 2020 in this series.

More statistics for Niobrara County

All statistics for Niobrara County