# St. Clair County

<https://civism.io/en-US/usa/places/st-clair-8986ca99ee2a>

St. Clair County — County in the United States.

County

## Population

160,486

Estimate for July 1, 2025

Population

| Year | Population |
| --- | --- |
| 2020 | 160,386 |
| 2021 | 160,268 |
| 2022 | 159,886 |
| 2023 | 160,279 |
| 2024 | 160,304 |
| 2025 | 160,486 |

US Census Bureau, Population Estimates Program, Vintage 2025

## Election administration

Election administration

| Measure | 2024 | 2022 | 2020 |
| --- | --- | --- | --- |
| Precincts | 63 | 65 | 64 |
| Polling places | 102 | 50 | — |
| Election Day polling places | 48 | 50 | 49 |
| Early-voting polling places | 54 | 29 | 30 |
| Poll workers | 1,007 | 459 | 486 |

US Election Assistance Commission, Election Administration and Voting Survey (EAVS)