According to the 2018 American Community Survey, Rolla had a median household income of $34,934, and a median family income of $53,316. The unemployment rate was 5.4%. The per capita income was $20,753. About 31.1% of the population lived below the poverty line, including 28.9% of people under the age of 18 and 12.7% of people 65 years old or older.<ref>https://data.census.gov/cedsci/table?g=0400000US29_1600000US2962912&d=ACS%205-Year%20Estimates%20Data%20Profiles&tid=ACSDP5Y2018.DP03</ref> | According to the 2018 American Community Survey, Rolla had a median household income of $34,934, and a median family income of $53,316. The unemployment rate was 5.4%. The per capita income was $20,753. About 31.1% of the population lived below the poverty line, including 28.9% of people under the age of 18 and 12.7% of people 65 years old or older.<ref>https://data.census.gov/cedsci/table?g=0400000US29_1600000US2962912&d=ACS%205-Year%20Estimates%20Data%20Profiles&tid=ACSDP5Y2018.DP03</ref> |