Phelps County's 2026 population is estimated at 45,982, reflecting a 0.34% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Phelps County is the 23rd largest county in Missouri. The 2010 population was 45,298 and has grown 1.51% since 2010.
Data after 2023 is projected based on recent change
Overall: 35.8 years
Female: 39.3 years
Male: 32.6 years
There are 35,657 adults, (7,713 of whom are seniors) in Phelps County.
Female: 21,503 (47.6%)
Male: 23,691 (52.4%)
The racial composition of Phelps County includes 86.43% White, 3.86% Asian, and smaller percentages for Black or African American, other race, Native American, Native Hawaiian or Pacific Islander and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 39,059 | 86.43% |
| Two or more races | 2,730 | 6.04% |
| Asian | 1,744 | 3.86% |
| Black or African American | 1,100 | 2.43% |
| Other race | 349 | 0.77% |
| Native American | 197 | 0.44% |
| Native Hawaiian or Pacific Islander | 15 | 0.03% |
Phelps County 's average per capita income is $41,287. Household income levels show a median of $58,396. The poverty rate stands at 16.78%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $90,423 | - |
| Families | $75,487 | $97,117 |
| Households | $58,396 | $77,261 |
| Non Families | $28,869 | $41,409 |
Average Income
Median Household Income
Poverty Rate
