Data / Population / Platte County

Population in Platte County

Population in Platte County was 8,634 in 2025, according to the U.S. Census Bureau. That is up 0.8% from 2024. That is the 18th highest of 23 counties in 2025.

2025, persons8,634
Change on 2024+0.8%
Rank18th of 23Counties in Wyoming ranked
Series high8,6812021
Series low8,5632024

Population in Platte County, 2020 to 2025

CSVChart (SVG)

8,5508,5758,6008,6258,6508,6758,7002020202120222023202420252020: 8,632 persons2021: 8,681 persons2022: 8,653 persons2023: 8,604 persons2024: 8,563 persons2025: 8,634 persons
persons. Source: U.S. Census Bureau. Retrieved 2026-10-08, published 2026-03-26.
All 6 values
Periodpersons
20258,634
20248,563
20238,604
20228,653
20218,681
20208,632

Compared with Wyoming and United States

Place2025
Platte County8,634
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 Platte County?

Population in Platte County was 8,634 in 2025, according to the U.S. Census Bureau. That is up 0.8% from 2024. That is the 18th 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 Platte County?

8,681 in 2021, the highest value since 2020 in this series.

More statistics for Platte County

All statistics for Platte County