Population: Marion County
Latest value, 2025
355,777persons
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
Value
| Period | Value |
|---|---|
| 2025 | 355,777 |
| 2024 | 353,218 |
| 2023 | 349,966 |
| 2022 | 348,364 |
| 2021 | 347,887 |
| 2020 | 346,284 |
Comparison with related places
| Place | 2025 |
|---|---|
| Marion County | 355,777 |
| Oregon | 4,273,586 |
| United States | 341,784,857 |
| Lane County | 381,584 |
| Clackamas County | 426,280 |
| Jackson County | 221,795 |
| Deschutes County | 213,072 |
| Linn County | 132,843 |
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-41047"}
GET https://invokely.ai/api/v1/value?indicator=population&place=us-county-41047