Population: Jefferson County

Latest value, 2025

111,540persons

Source: U.S. Census Bureau
Retrieved 2026-10-08
Published 2026-03-26

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.

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.

Evolution

111,737114,280116,822202020212022202320242025
Value
PeriodValue
2025111,540
2024112,795
2023113,280
2022115,493
2021117,019
2020116,075

Comparison with related places

Place2025
Jefferson County111,540
New York20,002,427
United States341,784,857
Ontario County113,130
St. Lawrence County105,488
Oswego County118,569
Tompkins County104,047
Putnam County99,028

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.

Get this figure from your agent

Call get_value through the MCP server or the REST API.

get_value {"indicator":"population","place":"us-county-36045"}
GET https://invokely.ai/api/v1/value?indicator=population&place=us-county-36045

Other indicators for Jefferson County

Statistics for Jefferson County