Rolla is a city located in Morton County, Kansas. Rolla has a 2026 population of 341. Rolla is currently declining at a rate of -2.01% annually and its population has decreased by -11.66% since the most recent census, which recorded a population of 386 in 2020.
The median household income in Rolla is $58,750 with a poverty rate of 14.76%. The median age in Rolla is 41.2 years: 43.6 years for males, and 36.4 years for females. For every 100 females there are 93.6 males.
Data after 2023 is projected based on recent change
Overall: 41.2 years
Female: 36.4 years
Male: 43.6 years
There are 404 adults, (68 of whom are seniors) in Rolla.
Female: 280 (51.7%)
Male: 262 (48.3%)
The racial composition of Rolla includes 61.62% White, 5.54% Black or African American, 4.24% other race, and smaller percentages for Asian and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 334 | 61.62% |
| Two or more races | 149 | 27.49% |
| Black or African American | 30 | 5.54% |
| Other race | 23 | 4.24% |
| Asian | 6 | 1.11% |
Rolla 's average per capita income is $45,000. Household income levels show a median of $58,750. The poverty rate stands at 14.76%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $107,083 | - |
| Families | $75,125 | $91,797 |
| Households | $58,750 | $74,799 |
| Non Families | - | $32,705 |
Average Income
Median Household Income
Poverty Rate