Shelby County's 2026 population is estimated at 5,918, reflecting a -0.07% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Shelby County is the 104th largest county in Missouri. The 2010 population was 6,364 and has grown -7.01% since 2010.
Data after 2023 is projected based on recent change
Overall: 42.7 years
Female: 44 years
Male: 40.5 years
There are 4,552 adults, (1,332 of whom are seniors) in Shelby County.
Female: 2,934 (49%)
Male: 3,052 (51%)
The racial composition of Shelby County includes 93.97% White, and smaller percentages for Black or African American, Asian, other race, Native American and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 5,625 | 93.97% |
| Two or more races | 222 | 3.71% |
| Black or African American | 98 | 1.64% |
| Asian | 21 | 0.35% |
| Other race | 18 | 0.3% |
| Native American | 2 | 0.03% |
Shelby County 's average per capita income is $40,907. Household income levels show a median of $51,594. The poverty rate stands at 15.92%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $74,145 | - |
| Families | $65,078 | $83,053 |
| Households | $51,594 | $71,488 |
| Non Families | $32,263 | $48,854 |
Average Income
Median Household Income
Poverty Rate