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Source: U.S. Census Bureau, Population Estimates Program, Vintage 2024 — figures cover the April 1, 2020 estimates base through July 1, 2024
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U.S. Census Bureau · Vintage 2024

Delaware County, Pennsylvania: population and components of change

Source: U.S. Census Bureau, Population Estimates Program, Vintage 2024: County Population Totals and Components of Change 2020-2024 (CO-EST2024-ALLDATA). Figures cover the April 1, 2020 estimates base through July 1, 2024; data fetched 2026-10-30T08:41:21Z.

Values are printed as the U.S. Census Bureau reports them. A blank source value is printed as “not available”.
Delaware County
ItemValueAs reported
CountyDelaware CountyDelaware County
StatePennsylvaniaPennsylvania
State FIPS code4242
County FIPS code045045
Census region (code)11
Census division (code)22
Estimates base, April 1, 2020576,970576970
Resident population, July 1, 2020576,523576523
Resident population, July 1, 2021577,126577126
Resident population, July 1, 2022577,040577040
Resident population, July 1, 2023580,538580538
Resident population, July 1, 2024584,882584882
Numeric population change, 2023 to 20244,3444344
Births, year to July 1, 20246,3766376
Deaths, year to July 1, 20245,3175317
Natural change (births minus deaths), year to July 1, 20241,0591059
International migration, year to July 1, 20245,2985298
Domestic migration, year to July 1, 2024-2,034-2034
Residual, year to July 1, 20242121
Birth rate per 1,000 population, year to July 1, 202410.942010.941977999
Death rate per 1,000 population, year to July 1, 20249.12469.1246074377
Natural change rate per 1,000 population, year to July 1, 20241.81741.8173705617
International migration rate per 1,000 population, year to July 1, 20249.09209.092001167
Domestic migration rate per 1,000 population, year to July 1, 2024-3.4906-3.490587084
Group quarters population, July 1, 202423,11623116

Values as reported by the source: county_name=Delaware County, state_name=Pennsylvania, state_fips=42, county_fips=045, region=1, division=2, estimates_base_2020=576970, pop_2020=576523, pop_2021=577126, pop_2022=577040, pop_2023=580538, pop_2024=584882, npopchg_2024=4344, births_2024=6376, deaths_2024=5317, naturalchg_2024=1059, internationalmig_2024=5298, domesticmig_2024=-2034, residual_2024=21, rbirth_2024=10.941977999, rdeath_2024=9.1246074377, rnaturalchg_2024=1.8173705617, rinternationalmig_2024=9.092001167, rdomesticmig_2024=-3.490587084, gq_estimates_2024=23116