County in Missouri · 505 sq mi · 20 people per sq mi
9,905 people live in Lewis County. The typical household earns $59,934, and the median resident is 37.6 years old.
2026 projection
From 10,042 in 2020
Poverty rate 12.69%
Men 36 · Women 39.3
1840–2026
9,905
2026 projection
1.4% since 2020 (decrease)
Source: U.S. Census Bureau decennial counts and annual estimates. 2026 is a projection. Values between recorded years are interpolated.
Use the left and right arrow keys to inspect population observations.
1840–2026
9,905
2026 projection
1.4% since 2020 (decrease)
Source: U.S. Census Bureau decennial counts and annual estimates. 2026 is a projection. Values between recorded years are interpolated.
Use the left and right arrow keys to inspect population observations.
| 2026 | 9,905 | +26 | 0.26% |
|---|---|---|---|
| 2025 | 9,879 | +26 | 0.26% |
| 2024 | 9,853 | +19 | 0.19% |
| 2023 | 9,834 | -57 | 0.58% |
| 2022 | 9,891 | -114 | 1.14% |
| 2021 | 10,005 | -37 | 0.37% |
| 2020 | 10,042 | +255 | 2.61% |
| 2019 | 9,787 | -57 | 0.58% |
| 2018 | 9,844 | -113 | 1.13% |
| 2017 | 9,957 | -134 | 1.33% |
Showing 10 of 33 years.
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101
Each square is about 1% of residents (roughly 99 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 8 residents
42% of residents age 15 and older are married.
| Status | Overall | Male | Female |
|---|---|---|---|
| Married | 42% | 38% | 47% |
| Never married | 36% | 43% | 30% |
| Divorced | 11% | 11% | 10% |
| Widowed | 9% | 4% | 13% |
| Separated | 2% | 4% | <1% |
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201
8 sources, all from the U.S. Census Bureau