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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

Buchanan County, Iowa: 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”.
Buchanan County
ItemValueAs reported
CountyBuchanan CountyBuchanan County
StateIowaIowa
State FIPS code1919
County FIPS code019019
Census region (code)22
Census division (code)44
Estimates base, April 1, 202020,56320563
Resident population, July 1, 202020,60620606
Resident population, July 1, 202120,70720707
Resident population, July 1, 202220,70020700
Resident population, July 1, 202320,72520725
Resident population, July 1, 202420,73320733
Numeric population change, 2023 to 202488
Births, year to July 1, 2024249249
Deaths, year to July 1, 2024208208
Natural change (births minus deaths), year to July 1, 20244141
International migration, year to July 1, 20246666
Domestic migration, year to July 1, 2024-100-100
Residual, year to July 1, 202411
Birth rate per 1,000 population, year to July 1, 202412.012212.012156882
Death rate per 1,000 population, year to July 1, 202410.034310.034251532
Natural change rate per 1,000 population, year to July 1, 20241.97791.97790535
International migration rate per 1,000 population, year to July 1, 20243.18393.1839451975
Domestic migration rate per 1,000 population, year to July 1, 2024-4.8242-4.82415939
Group quarters population, July 1, 2024123123

Values as reported by the source: county_name=Buchanan County, state_name=Iowa, state_fips=19, county_fips=019, region=2, division=4, estimates_base_2020=20563, pop_2020=20606, pop_2021=20707, pop_2022=20700, pop_2023=20725, pop_2024=20733, npopchg_2024=8, births_2024=249, deaths_2024=208, naturalchg_2024=41, internationalmig_2024=66, domesticmig_2024=-100, residual_2024=1, rbirth_2024=12.012156882, rdeath_2024=10.034251532, rnaturalchg_2024=1.97790535, rinternationalmig_2024=3.1839451975, rdomesticmig_2024=-4.82415939, gq_estimates_2024=123