Mercer County's estimated 2026 population is 3,394 with a growth rate of -0.29% in the past year according to the most recent United States census data. Mercer County is the 114th largest county in Missouri. The 2010 population was 3,770 and has seen a growth of -9.97% since that time.
Data after 2023 is projected based on recent change
Overall: 42.4 years
Female: 43.7 years
Male: 39.9 years
There are 2,628 adults, (777 of whom are seniors) in Mercer County.
Female: 1,766 (50.7%)
Male: 1,716 (49.3%)
The racial composition of Mercer County includes 92.42% White, and smaller percentages for other race, Asian, Native American, Black or African American, Native Hawaiian or Pacific Islander and multiracial populations.
Race | Population | Percentage (of total) |
|---|---|---|
| White | 3,218 | 92.42% |
| Two or more races | 119 | 3.42% |
| Other race | 81 | 2.33% |
| Asian | 31 | 0.89% |
| Native American | 23 | 0.66% |
| Black or African American | 6 | 0.17% |
| Native Hawaiian or Pacific Islander | 4 | 0.11% |
Mercer County's average per capita income is $42,406. Household income levels show a median of $62,679. The poverty rate stands at 13.46%.
Name | Median | Mean |
|---|---|---|
| Married Families | $81,324 | - |
| Families | $70,875 | $78,553 |
| Households | $62,679 | $70,588 |
| Non Families | $28,264 | $46,869 |
Average Income
Median Household Income
Poverty Rate
