Alton city: Foreign-Born Population Trend
How Alton city's foreign-born population changed from 2017 to 2023, based on U.S. Census Bureau ACS 5-Year Estimates. The 2019 vintage reflects the pre-COVID peak; 2021 captures the immediate COVID-era disruption; 2022–2023 show the recovery.
2017
32.7%
2023
27.2%
Total change
-5.5 pp
% change
-16.8%
| Year | Foreign-Born Population | Change |
|---|---|---|
| 2017 | 32.7% | — |
| 2019 | 32.1% | -0.6 pp (-1.8%) |
| 2020 | 31.8% | -0.3 pp (-0.9%) |
| 2021 | 30.3% | -1.5 pp (-4.7%) |
| 2022 | 30.2% | -0.1 pp (-0.3%) |
| 2023 | 27.2% | -3.0 pp (-9.9%) |