Population: Barnwell County
Latest value, 2025
20,653persons
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 | 20,653 |
| 2024 | 20,512 |
| 2023 | 20,430 |
| 2022 | 20,445 |
| 2021 | 20,592 |
| 2020 | 20,580 |
Comparison with related places
| Place | 2025 |
|---|---|
| Barnwell County | 20,653 |
| South Carolina | 5,570,274 |
| United States | 341,784,857 |
| Fairfield County | 20,340 |
| Saluda County | 19,680 |
| Hampton County | 18,174 |
| Abbeville County | 24,836 |
| Marlboro County | 25,488 |
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-45011"}
GET https://invokely.ai/api/v1/value?indicator=population&place=us-county-45011