Population: Marion County

Latest value, 2025

11,634persons

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

11,64011,71711,793202020212022202320242025
Value
PeriodValue
202511,634
202411,679
202311,776
202211,799
202111,748
202011,788

Comparison with related places

Place2025
Marion County11,634
Kansas2,977,220
United States341,784,857
Allen County12,302
Nemaha County10,054
Linn County9,950
Marshall County9,852
Jackson County13,438

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-20115"}
GET https://invokely.ai/api/v1/value?indicator=population&place=us-county-20115

Other indicators for Marion County

Statistics for Marion County