Data / Population / Washington County

Population in Washington County

Population in Washington County was 58,389 in 2025, according to the U.S. Census Bureau. That is down 0.4% from 2024. That is the 44th highest of 88 counties in 2025.

2025, persons58,389
Change on 2024-0.4%
Rank44th of 88Counties in Ohio ranked
Series high59,6572020
Series low58,3892025

Population in Washington County, 2020 to 2025

CSVChart (SVG)

58K58.5K59K59.5K60K2020202120222023202420252020: 59,657 persons2021: 59,485 persons2022: 58,890 persons2023: 58,637 persons2024: 58,599 persons2025: 58,389 persons
persons. Source: U.S. Census Bureau. Retrieved 2026-10-08, published 2026-03-26.
All 6 values
Periodpersons
202558,389
202458,599
202358,637
202258,890
202159,485
202059,657

Compared with Ohio and United States

Place2025
Washington County58,389
Ohio11,900,510
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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What is the latest population in Washington County? Cite the source.
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Questions

What is the population in Washington County?

Population in Washington County was 58,389 in 2025, according to the U.S. Census Bureau. That is down 0.4% from 2024. That is the 44th highest of 88 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 Washington County?

59,657 in 2020, the highest value since 2020 in this series.

More statistics for Washington County

All statistics for Washington County