Worcester County, Massachusetts: 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.
| Item | Value | As reported |
|---|---|---|
| County | Worcester County | Worcester County |
| State | Massachusetts | Massachusetts |
| State FIPS code | 25 | 25 |
| County FIPS code | 027 | 027 |
| Census region (code) | 1 | 1 |
| Census division (code) | 1 | 1 |
| Estimates base, April 1, 2020 | 862,104 | 862104 |
| Resident population, July 1, 2020 | 857,092 | 857092 |
| Resident population, July 1, 2021 | 862,052 | 862052 |
| Resident population, July 1, 2022 | 865,735 | 865735 |
| Resident population, July 1, 2023 | 872,813 | 872813 |
| Resident population, July 1, 2024 | 881,248 | 881248 |
| Numeric population change, 2023 to 2024 | 8,435 | 8435 |
| Births, year to July 1, 2024 | 8,460 | 8460 |
| Deaths, year to July 1, 2024 | 7,722 | 7722 |
| Natural change (births minus deaths), year to July 1, 2024 | 738 | 738 |
| International migration, year to July 1, 2024 | 9,470 | 9470 |
| Domestic migration, year to July 1, 2024 | -1,804 | -1804 |
| Residual, year to July 1, 2024 | 31 | 31 |
| Birth rate per 1,000 population, year to July 1, 2024 | 9.6462 | 9.6461867632 |
| Death rate per 1,000 population, year to July 1, 2024 | 8.8047 | 8.8047108966 |
| Natural change rate per 1,000 population, year to July 1, 2024 | 0.8415 | 0.8414758666 |
| International migration rate per 1,000 population, year to July 1, 2024 | 10.7978 | 10.797800077 |
| Domestic migration rate per 1,000 population, year to July 1, 2024 | -2.0569 | -2.056941007 |
| Group quarters population, July 1, 2024 | 28,209 | 28209 |
Values as reported by the source: county_name=Worcester County, state_name=Massachusetts, state_fips=25, county_fips=027, region=1, division=1, estimates_base_2020=862104, pop_2020=857092, pop_2021=862052, pop_2022=865735, pop_2023=872813, pop_2024=881248, npopchg_2024=8435, births_2024=8460, deaths_2024=7722, naturalchg_2024=738, internationalmig_2024=9470, domesticmig_2024=-1804, residual_2024=31, rbirth_2024=9.6461867632, rdeath_2024=8.8047108966, rnaturalchg_2024=0.8414758666, rinternationalmig_2024=10.797800077, rdomesticmig_2024=-2.056941007, gq_estimates_2024=28209