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The total population of Rolla is estimated to be 711 with 338 males (47.54%) and 373 females (52.46%). There are 35 more females than males in Rolla.
The median household income in Rolla was $58,775 in 2021, which marked an an increase of 1,645(2.88%) from $57,130 in 2020. This income is 78.78% of the U.S. median household income of $74,606 (all incomes in 2022 inflation-adjusted dollars).
Per the latest American Community Survey by the Census Bureau, Rolla sees its highest median household income among householders in the age group of 45 to 64 years old, at $68,908. Overall, the median household income for the city of Rolla stands at $58,775.
In Rolla, the median income for all workers aged 15 years and older, regardless of work hours, was $39,183 for males and $29,468 for females. However, when specifically considering full-time, year-round workers within the same age group, the median income was $56,072 for males and $36,751 for females.
In Rolla, population is primarily represented by White households, reporting a median income of $57,423.
In 2022, the population of Rolla was 373, a 2.36% decrease year-by-year from 2021. Previously, in 2021, Rolla's population was 382, a decline of 1.04% compared to a population of 386 in 2020.
The median age in Rolla, KS is 37.0, as per 2021 ACS 5-Year Estimates. Of the total population, 19.49% were under the age of 15, 19.13% aged 15 to 29, 45.36% aged 30 to 64, 15.48% aged 65 to 84, and 0.55% were 85 years of age and older.
Racial distribution of Rolla population: 77.60% are White, 1.28% are Black or African American, 0.18% are Asian, 3.46% are some other race and 17.49% are multiracial.