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

Cook County, Illinois: 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”.
Cook County
ItemValueAs reported
CountyCook CountyCook County
StateIllinoisIllinois
State FIPS code1717
County FIPS code031031
Census region (code)22
Census division (code)33
Estimates base, April 1, 20205,278,9695278969
Resident population, July 1, 20205,267,0725267072
Resident population, July 1, 20215,185,1345185134
Resident population, July 1, 20225,133,1065133106
Resident population, July 1, 20235,142,5225142522
Resident population, July 1, 20245,182,6175182617
Numeric population change, 2023 to 202440,09540095
Births, year to July 1, 202451,41251412
Deaths, year to July 1, 202441,95341953
Natural change (births minus deaths), year to July 1, 20249,4599459
International migration, year to July 1, 202467,76367763
Domestic migration, year to July 1, 2024-37,193-37193
Residual, year to July 1, 20246666
Birth rate per 1,000 population, year to July 1, 20249.95869.9586068527
Death rate per 1,000 population, year to July 1, 20248.12648.126379703
Natural change rate per 1,000 population, year to July 1, 20241.83221.8322271497
International migration rate per 1,000 population, year to July 1, 202413.125813.125828137
Domestic migration rate per 1,000 population, year to July 1, 2024-7.2044-7.204358217
Group quarters population, July 1, 202491,43091430

Values as reported by the source: county_name=Cook County, state_name=Illinois, state_fips=17, county_fips=031, region=2, division=3, estimates_base_2020=5278969, pop_2020=5267072, pop_2021=5185134, pop_2022=5133106, pop_2023=5142522, pop_2024=5182617, npopchg_2024=40095, births_2024=51412, deaths_2024=41953, naturalchg_2024=9459, internationalmig_2024=67763, domesticmig_2024=-37193, residual_2024=66, rbirth_2024=9.9586068527, rdeath_2024=8.126379703, rnaturalchg_2024=1.8322271497, rinternationalmig_2024=13.125828137, rdomesticmig_2024=-7.204358217, gq_estimates_2024=91430