Data / Population / Lewis County

Population in Lewis County

Population in Lewis County was 13,487 in 2025, according to the U.S. Census Bureau. That is up 1% from 2024. That is the 84th highest of 95 counties in 2025.

2025, persons13,487
Change on 2024+1%
Rank84th of 95Counties in Tennessee ranked
Series high13,4872025
Series low12,6092020

Population in Lewis County, 2020 to 2025

CSVChart (SVG)

12.6K12.8K13K13.2K13.4K13.6K2020202120222023202420252020: 12,609 persons2021: 12,854 persons2022: 12,935 persons2023: 13,126 persons2024: 13,354 persons2025: 13,487 persons
persons. Source: U.S. Census Bureau. Retrieved 2026-10-08, published 2026-03-26.
All 6 values
Periodpersons
202513,487
202413,354
202313,126
202212,935
202112,854
202012,609

Compared with Tennessee and United States

Place2025
Lewis County13,487
Tennessee7,315,076
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 Lewis County?

Population in Lewis County was 13,487 in 2025, according to the U.S. Census Bureau. That is up 1% from 2024. That is the 84th highest of 95 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 Lewis County?

13,487 in 2025, the highest value since 2020 in this series.

More statistics for Lewis County

All statistics for Lewis County