Rock Port is a city located in Atchison County, Missouri. Rock Port has a 2025 population of 1,228 . It is also the county seat of Atchison County . Rock Port is currently declining at a rate of -0.81% annually and its population has decreased by -3.69% since the most recent census, which recorded a population of 1,275 in 2020.
The average household income in Rock Port is $72,071 with a poverty rate of 14.71%. The median age in Rock Port is 47.9 years: 44.1 years for males, and 50.4 years for females. For every 100 females there are 89.8 males.
Data after 2023 is projected based on recent change
The racial composition of Rock Port includes 92.38% White, and smaller percentages for Native American, other race, Asian, Black or African American and multiracial populations.
White (92.38%)
Two or more races (4.14%)
Native American (1.16%)
Other race (1.16%)
Asian (0.75%)
Black or African American (0.41%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 1,115 | 92.38% |
| Two or more races | 50 | 4.14% |
| Native American | 14 | 1.16% |
| Other race | 14 | 1.16% |
| Asian | 9 | 0.75% |
| Black or African American | 5 | 0.41% |
Married
Widowed
Divorced
Separated
Never Married
Rock Port's average per capita income is $36,090. Household income levels show a median of $45,208. The poverty rate stands at 14.71%.
Name | Median | Mean |
|---|---|---|
| Married Families | $88,750 | - |
| Families | $68,750 | $89,155 |
| Households | $45,208 | $72,071 |
| Non Families | $26,813 | $39,103 |
Average Income
Median Household Income
Poverty Rate