Middlesex County, New Jersey: 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 | Middlesex County | Middlesex County |
| State | New Jersey | New Jersey |
| State FIPS code | 34 | 34 |
| County FIPS code | 023 | 023 |
| Census region (code) | 1 | 1 |
| Census division (code) | 2 | 2 |
| Estimates base, April 1, 2020 | 863,201 | 863201 |
| Resident population, July 1, 2020 | 861,460 | 861460 |
| Resident population, July 1, 2021 | 862,513 | 862513 |
| Resident population, July 1, 2022 | 866,241 | 866241 |
| Resident population, July 1, 2023 | 876,119 | 876119 |
| Resident population, July 1, 2024 | 890,119 | 890119 |
| Numeric population change, 2023 to 2024 | 14,000 | 14000 |
| Births, year to July 1, 2024 | 8,466 | 8466 |
| Deaths, year to July 1, 2024 | 6,030 | 6030 |
| Natural change (births minus deaths), year to July 1, 2024 | 2,436 | 2436 |
| International migration, year to July 1, 2024 | 17,922 | 17922 |
| Domestic migration, year to July 1, 2024 | -6,419 | -6419 |
| Residual, year to July 1, 2024 | 61 | 61 |
| Birth rate per 1,000 population, year to July 1, 2024 | 9.5865 | 9.5864770207 |
| Death rate per 1,000 population, year to July 1, 2024 | 6.8281 | 6.828071868 |
| Natural change rate per 1,000 population, year to July 1, 2024 | 2.7584 | 2.7584051526 |
| International migration rate per 1,000 population, year to July 1, 2024 | 20.2940 | 20.293980766 |
| Domestic migration rate per 1,000 population, year to July 1, 2024 | -7.2686 | -7.268556106 |
| Group quarters population, July 1, 2024 | 22,329 | 22329 |
Values as reported by the source: county_name=Middlesex County, state_name=New Jersey, state_fips=34, county_fips=023, region=1, division=2, estimates_base_2020=863201, pop_2020=861460, pop_2021=862513, pop_2022=866241, pop_2023=876119, pop_2024=890119, npopchg_2024=14000, births_2024=8466, deaths_2024=6030, naturalchg_2024=2436, internationalmig_2024=17922, domesticmig_2024=-6419, residual_2024=61, rbirth_2024=9.5864770207, rdeath_2024=6.828071868, rnaturalchg_2024=2.7584051526, rinternationalmig_2024=20.293980766, rdomesticmig_2024=-7.268556106, gq_estimates_2024=22329