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County · Pennsylvania
Lehigh County
385,655Population
3.0 %Change since 2020
3,631Net migration
4.6 %Unemployment rate
Facts
- Population
- 385,655 (2024)
- Change since 2020
- 3.0 %
- Net migration
- 3,631 (2023)
- Unemployment rate
- 4.6 % (2025)
- State
- Pennsylvania
- Population base, April 2020
- 374,552 (2020)
- Births
- 3,818 (2023)
- Births per 1,000 residents, 2023
- 9.9
- Deaths
- 3,533 (2023)
- Deaths per 1,000 residents, 2023
- 9.2
- Natural change, 2023
- 285
- International migration
- 4,277 (2023)
- Domestic migration
- -646 (2023)
- Net migration per 1,000, 2023
- 9.4
- Postal code
- PA
- FIPS code
- 42077
Sources: US Census Bureau — Population Estimates, Bureau of Labor Statistics — LAUS
Unemployment rate, annual average
| Period | Value |
|---|---|
| 2025 | 4.6 % |
| 2024 | 4.1 % |
| 2023 | 4.1 % |
| 2022 | 4.3 % |
| 2021 | 6.5 % |
| 2020 | 9.6 % |
| 2019 | 4.6 % |
| 2018 | 4.9 % |
| 2017 | 5.2 % |
| 2016 | 5.4 % |
| 2015 | 5.5 % |
| 2014 | 6.2 % |
Population estimates, 2020–2024
| Period | Value |
|---|---|
| 2024 | 385,655 |
| 2023 | 380,872 |
| 2022 | 377,019 |
| 2021 | 375,922 |
| 2020 | 374,493 |