Muhlenberg County's 2026 population is estimated at 30,482, reflecting a -0.05% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Muhlenberg County is the 35th largest county in Kentucky. The 2010 population was 31,659 and has grown -3.72% since 2010.
Data after 2023 is projected based on recent change
Overall: 43.2 years
Female: 44.8 years
Male: 41.8 years
There are 24,142 adults, (6,170 of whom are seniors) in Muhlenberg County.
Female: 14,917 (48.8%)
Male: 15,674 (51.2%)
The racial composition of Muhlenberg County includes 92.06% White, and smaller percentages for Black or African American, Asian, other race, Native American, Native Hawaiian or Pacific Islander and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 28,163 | 92.06% |
| Two or more races | 1,341 | 4.38% |
| Black or African American | 620 | 2.03% |
| Asian | 318 | 1.04% |
| Other race | 113 | 0.37% |
| Native American | 34 | 0.11% |
| Native Hawaiian or Pacific Islander | 2 | 0.01% |
Muhlenberg County 's average per capita income is $45,645. Household income levels show a median of $51,927. The poverty rate stands at 18.37%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $84,476 | - |
| Families | $68,781 | $88,938 |
| Households | $51,927 | $75,120 |
| Non Families | $31,233 | $42,774 |
Average Income
Median Household Income
Poverty Rate