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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

Marion 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”.
Marion County
ItemValueAs reported
CountyMarion CountyMarion County
StateIowaIowa
State FIPS code1919
County FIPS code125125
Census region (code)22
Census division (code)44
Estimates base, April 1, 202033,41733417
Resident population, July 1, 202033,41433414
Resident population, July 1, 202133,45033450
Resident population, July 1, 202233,58233582
Resident population, July 1, 202333,71833718
Resident population, July 1, 202434,04834048
Numeric population change, 2023 to 2024330330
Births, year to July 1, 2024327327
Deaths, year to July 1, 2024350350
Natural change (births minus deaths), year to July 1, 2024-23-23
International migration, year to July 1, 20246060
Domestic migration, year to July 1, 2024294294
Residual, year to July 1, 2024-1-1
Birth rate per 1,000 population, year to July 1, 20249.65099.6508573621
Death rate per 1,000 population, year to July 1, 202410.329710.329663843
Natural change rate per 1,000 population, year to July 1, 2024-0.6788-0.678806481
International migration rate per 1,000 population, year to July 1, 20241.77081.770799516
Domestic migration rate per 1,000 population, year to July 1, 20248.67698.6769176283
Group quarters population, July 1, 20241,4341434

Values as reported by the source: county_name=Marion County, state_name=Iowa, state_fips=19, county_fips=125, region=2, division=4, estimates_base_2020=33417, pop_2020=33414, pop_2021=33450, pop_2022=33582, pop_2023=33718, pop_2024=34048, npopchg_2024=330, births_2024=327, deaths_2024=350, naturalchg_2024=-23, internationalmig_2024=60, domesticmig_2024=294, residual_2024=-1, rbirth_2024=9.6508573621, rdeath_2024=10.329663843, rnaturalchg_2024=-0.678806481, rinternationalmig_2024=1.770799516, rdomesticmig_2024=8.6769176283, gq_estimates_2024=1434