Altadena CDP: Foreign-Born Population Trend
How Altadena CDP'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
20.4%
2023
21.0%
Total change
+0.6 pp
% change
+2.9%
| Year | Foreign-Born Population | Change |
|---|---|---|
| 2017 | 20.4% | — |
| 2019 | 19.7% | -0.7 pp (-3.4%) |
| 2020 | 23.0% | +3.3 pp (16.8%) |
| 2021 | 21.7% | -1.3 pp (-5.7%) |
| 2022 | 21.4% | -0.3 pp (-1.4%) |
| 2023 | 21.0% | -0.4 pp (-1.9%) |