Dallas County's 2026 population is estimated at 18,045, reflecting a 0.47% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Dallas County is the 61st largest county in Missouri. The 2010 population was 16,723 and has grown 7.91% since 2010.
Data after 2023 is projected based on recent change
Overall: 41.7 years
Female: 41.9 years
Male: 41.2 years
There are 13,408 adults, (3,693 of whom are seniors) in Dallas County.
Female: 8,881 (50.6%)
Male: 8,670 (49.4%)
The racial composition of Dallas County includes 93.58% White, and smaller percentages for other race, Black or African American, Native American, Asian and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 16,425 | 93.58% |
| Two or more races | 944 | 5.38% |
| Other race | 130 | 0.74% |
| Black or African American | 33 | 0.19% |
| Native American | 16 | 0.09% |
| Asian | 3 | 0.02% |
Dallas County 's average per capita income is $41,295. Household income levels show a median of $53,464. The poverty rate stands at 20.49%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $71,777 | - |
| Families | $66,875 | $82,248 |
| Households | $53,464 | $69,932 |
| Non Families | $23,937 | $33,664 |
Average Income
Median Household Income
Poverty Rate
