City in Lincoln County, Montana · 1.8 sq mi · 1,835 people per sq mi
3,381 people live in Libby. The typical household earns $34,143, and the median resident is 51 years old.
2026 projection
From 2,775 in 2020
Poverty rate 23.96%
Men 57 · Women 46.3
1890–2026
3,381
2026 projection
21.8% since 2020 (increase)
Source: U.S. Census Bureau decennial counts and annual estimates, including 2010–2020 intercensal estimates. 2026 is a projection. Values between recorded years are interpolated.
Use the left and right arrow keys to inspect population observations.
1890–2026
3,381
2026 projection
21.8% since 2020 (increase)
Source: U.S. Census Bureau decennial counts and annual estimates, including 2010–2020 intercensal estimates. 2026 is a projection. Values between recorded years are interpolated.
Use the left and right arrow keys to inspect population observations.
| 2026 | 3,381 | +107 | 3.27% |
|---|---|---|---|
| 2025 | 3,274 | +50 | 1.55% |
| 2024 | 3,224 | +59 | 1.86% |
| 2023 | 3,165 | +81 | 2.63% |
| 2022 | 3,084 | +137 | 4.65% |
| 2021 | 2,947 | +172 | 6.20% |
| 2020 | 2,775 | +29 | 1.06% |
| 2019 | 2,746 | +33 | 1.22% |
| 2018 | 2,713 | +40 | 1.50% |
| 2017 | 2,673 | +36 | 1.37% |
Showing 10 of 29 years.
The 2020 row compares the April 1 Census count with the July 1, 2019 estimate (about nine months). Its Growth and Annual change therefore do not represent a full year.
Libby is growing faster than Lincoln County, Montana, and the U.S.
Change from July 1, 2020 to July 1, 2025 population estimates—not annualized growth or site projections.
Source: U.S. Census Bureau. U.S. totals are summed from the 50 states and D.C.; unavailable comparisons are omitted.
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101
Each square is about 1% of residents (roughly 30 people).
Hispanic or Latino residents can be of any race. All other groups exclude Hispanic residents.
U.S. Census Bureau, 2024 ACS 5-year estimates · Table B03002
Half of households earn more, half earn less
Typical yearly pay for a worker 25 or older.
About 1 in 4 residents
44% of residents age 15 and older are married.
| Status | Overall | Male | Female |
|---|---|---|---|
| Married | 44% | 44% | 45% |
| Never married | 30% | 32% | 28% |
| Divorced | 13% | 15% | 12% |
| Widowed | 10% | 9% | 11% |
| Separated | 2% | 0% | 4% |
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201
14 sources