Lewis County's estimated 2025 population is 9,682 with a growth rate of -0.7% in the past year according to the most recent United States census data. Lewis County is the 87th largest county in Missouri. The 2010 population was 10,206 and has seen a growth of -5.13% since that time.
Data after 2023 is projected based on recent change
The racial composition of Lewis County includes 92.18% White, 3.04% Black or African American, and smaller percentages for Asian, Native Hawaiian or Pacific Islander, Native American, other race and multiracial populations.
White
Two or more races
Black or African American
Asian
Native Hawaiian or Pacific Islander
Native American
Other race
Race | Population | Percentage (of total) |
|---|---|---|
| White | 9,167 | 92.18% |
| Two or more races | 402 | 4.04% |
| Black or African American | 302 | 3.04% |
| Asian | 46 | 0.46% |
| Native Hawaiian or Pacific Islander | 16 | 0.16% |
| Native American | 8 | 0.08% |
| Other race | 4 | 0.04% |
Married
Widowed
Divorced
Separated
Never Married
Lewis County's average per capita income is $40,647. Household income levels show a median of $52,340. The poverty rate stands at 15.28%.
Name | Median | Mean |
|---|---|---|
| Married Families | $78,627 | - |
| Families | $76,250 | $91,708 |
| Households | $52,340 | $68,625 |
| Non Families | $29,017 | $35,228 |
Average Income
Median Household Income
Poverty Rate