Diamond Bar city: Foreign-Born Population Trend
How Diamond Bar 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
43.5%
2023
46.8%
Total change
+3.3 pp
% change
+7.6%
| Year | Foreign-Born Population | Change |
|---|---|---|
| 2017 | 43.5% | — |
| 2019 | 45.5% | +2.0 pp (4.6%) |
| 2020 | 45.4% | -0.1 pp (-0.2%) |
| 2021 | 45.9% | +0.5 pp (1.1%) |
| 2022 | 45.2% | -0.7 pp (-1.5%) |
| 2023 | 46.8% | +1.6 pp (3.5%) |