State Center is a city located in Marshall County, Iowa. State Center has a 2025 population of 1,404 . State Center is currently growing at a rate of 0.07% annually and its population has increased by 0.57% since the most recent census, which recorded a population of 1,396 in 2020.
The average household income in State Center is $85,503 with a poverty rate of 9.98%. The median age in State Center is 35 years: 29 years for males, and 40.1 years for females. For every 100 females there are 91.1 males.
Data after 2023 is projected based on recent change
The racial composition of State Center includes 90.7% White, 5.1% other race, and smaller percentages for and multiracial populations.
White (90.7%)
Other race (5.1%)
Two or more races (4.2%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 1,404 | 90.7% |
| Other race | 79 | 5.1% |
| Two or more races | 65 | 4.2% |
Married
Widowed
Divorced
Separated
Never Married
State Center's average per capita income is $45,278. Household income levels show a median of $72,303. The poverty rate stands at 9.98%.
Name | Median | Mean |
|---|---|---|
| Married Families | $109,167 | - |
| Families | $89,706 | $98,125 |
| Households | $72,303 | $85,503 |
| Non Families | $42,042 | $64,684 |
Average Income
Median Household Income
Poverty Rate