Mercer County's estimated 2026 population is 3,358 with a growth rate of -1.38% 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 -10.93% since that time.
Data after 2023 is projected based on recent change
The racial composition of Mercer County includes 92.74% White, and smaller percentages for other race, Asian, Native American, Black or African American and multiracial populations.
White (92.74%)
Two or more races (3.11%)
Other race (2.23%)
Asian (1.03%)
Native American (0.63%)
Black or African American (0.26%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 3,247 | 92.74% |
| Two or more races | 109 | 3.11% |
| Other race | 78 | 2.23% |
| Asian | 36 | 1.03% |
| Native American | 22 | 0.63% |
| Black or African American | 9 | 0.26% |
Married
Widowed
Divorced
Separated
Never Married
Mercer County's average per capita income is $41,080. Household income levels show a median of $60,357. The poverty rate stands at 14.71%.
Name | Median | Mean |
|---|---|---|
| Married Families | $77,917 | - |
| Families | $70,673 | $79,306 |
| Households | $60,357 | $68,290 |
| Non Families | $28,424 | $43,051 |
Average Income
Median Household Income
Poverty Rate
