Loudoun County, Virginia: 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 | Loudoun County | Loudoun County |
| State | Virginia | Virginia |
| State FIPS code | 51 | 51 |
| County FIPS code | 107 | 107 |
| Census region (code) | 3 | 3 |
| Census division (code) | 5 | 5 |
| Estimates base, April 1, 2020 | 420,955 | 420955 |
| Resident population, July 1, 2020 | 422,723 | 422723 |
| Resident population, July 1, 2021 | 428,827 | 428827 |
| Resident population, July 1, 2022 | 432,897 | 432897 |
| Resident population, July 1, 2023 | 437,164 | 437164 |
| Resident population, July 1, 2024 | 443,380 | 443380 |
| Numeric population change, 2023 to 2024 | 6,216 | 6216 |
| Births, year to July 1, 2024 | 4,748 | 4748 |
| Deaths, year to July 1, 2024 | 1,783 | 1783 |
| Natural change (births minus deaths), year to July 1, 2024 | 2,965 | 2965 |
| International migration, year to July 1, 2024 | 3,942 | 3942 |
| Domestic migration, year to July 1, 2024 | -730 | -730 |
| Residual, year to July 1, 2024 | 39 | 39 |
| Birth rate per 1,000 population, year to July 1, 2024 | 10.7842 | 10.784242468 |
| Death rate per 1,000 population, year to July 1, 2024 | 4.0498 | 4.0497692336 |
| Natural change rate per 1,000 population, year to July 1, 2024 | 6.7345 | 6.7344732347 |
| International migration rate per 1,000 population, year to July 1, 2024 | 8.9536 | 8.9535559836 |
| Domestic migration rate per 1,000 population, year to July 1, 2024 | -1.6581 | -1.658065923 |
| Group quarters population, July 1, 2024 | 1,240 | 1240 |
Values as reported by the source: county_name=Loudoun County, state_name=Virginia, state_fips=51, county_fips=107, region=3, division=5, estimates_base_2020=420955, pop_2020=422723, pop_2021=428827, pop_2022=432897, pop_2023=437164, pop_2024=443380, npopchg_2024=6216, births_2024=4748, deaths_2024=1783, naturalchg_2024=2965, internationalmig_2024=3942, domesticmig_2024=-730, residual_2024=39, rbirth_2024=10.784242468, rdeath_2024=4.0497692336, rnaturalchg_2024=6.7344732347, rinternationalmig_2024=8.9535559836, rdomesticmig_2024=-1.658065923, gq_estimates_2024=1240