Auburn is a city located in Sangamon County, Illinois. Auburn has a 2025 population of 4,376. Auburn is currently declining at a rate of -0.77% annually and its population has decreased by -3.72% since the most recent census, which recorded a population of 4,545 in 2020.
The average household income in Auburn is $97,026 with a poverty rate of 6.65%.The median age in Auburn is 36 years: 33.2 years for males, and 38.2 years for females.
Data after 2023 is projected based on recent change
The racial composition of Auburn includes 97.43% White, and smaller percentages for Two or more races and multiracial populations.
Race | Population | Percentage (of total) |
---|---|---|
White | 4,245 | 97.43% |
Two or more races | 112 | 2.57% |
Married
Widowed
Divorced
Separated
Never Married
Auburn's average per capita income is $50,066. Household income levels show a median of $79,475. The poverty rate stands at 6.65%.
Name | Median | Mean |
---|---|---|
Married Families | $119,704 | - |
Families | $113,514 | $122,620 |
Households | $79,475 | $97,026 |
Non Families | $41,944 | $48,985 |
Average Income
Median Household Income
Poverty Rate