Lewis and Clark County, Montana: 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 | Lewis and Clark County | Lewis and Clark County |
| State | Montana | Montana |
| State FIPS code | 30 | 30 |
| County FIPS code | 049 | 049 |
| Census region (code) | 4 | 4 |
| Census division (code) | 8 | 8 |
| Estimates base, April 1, 2020 | 70,971 | 70971 |
| Resident population, July 1, 2020 | 71,179 | 71179 |
| Resident population, July 1, 2021 | 72,517 | 72517 |
| Resident population, July 1, 2022 | 73,681 | 73681 |
| Resident population, July 1, 2023 | 74,812 | 74812 |
| Resident population, July 1, 2024 | 75,129 | 75129 |
| Numeric population change, 2023 to 2024 | 317 | 317 |
| Births, year to July 1, 2024 | 669 | 669 |
| Deaths, year to July 1, 2024 | 665 | 665 |
| Natural change (births minus deaths), year to July 1, 2024 | 4 | 4 |
| International migration, year to July 1, 2024 | 17 | 17 |
| Domestic migration, year to July 1, 2024 | 295 | 295 |
| Residual, year to July 1, 2024 | 1 | 1 |
| Birth rate per 1,000 population, year to July 1, 2024 | 8.9235 | 8.9235099139 |
| Death rate per 1,000 population, year to July 1, 2024 | 8.8702 | 8.8701555945 |
| Natural change rate per 1,000 population, year to July 1, 2024 | 0.0534 | 0.0533543194 |
| International migration rate per 1,000 population, year to July 1, 2024 | 0.2268 | 0.2267558573 |
| Domestic migration rate per 1,000 population, year to July 1, 2024 | 3.9349 | 3.9348810532 |
| Group quarters population, July 1, 2024 | 1,526 | 1526 |
Values as reported by the source: county_name=Lewis and Clark County, state_name=Montana, state_fips=30, county_fips=049, region=4, division=8, estimates_base_2020=70971, pop_2020=71179, pop_2021=72517, pop_2022=73681, pop_2023=74812, pop_2024=75129, npopchg_2024=317, births_2024=669, deaths_2024=665, naturalchg_2024=4, internationalmig_2024=17, domesticmig_2024=295, residual_2024=1, rbirth_2024=8.9235099139, rdeath_2024=8.8701555945, rnaturalchg_2024=0.0533543194, rinternationalmig_2024=0.2267558573, rdomesticmig_2024=3.9348810532, gq_estimates_2024=1526