Norwalk is a city located in Warren County, Iowa. Norwalk has a 2025 population of 16,015 . Norwalk is currently growing at a rate of 4.02% annually and its population has increased by 23.98% since the most recent census, which recorded a population of 12,917 in 2020.
The average household income in Norwalk is $120,920 with a poverty rate of 3.16%. The median age in Norwalk is 36.5 years: 35.5 years for males, and 37.6 years for females. For every 100 females there are 92.8 males.
Data after 2023 is projected based on recent change
The racial composition of Norwalk includes 96.26% White, and smaller percentages for Asian, other race, Native American, Black or African American and multiracial populations.
White (96.26%)
Two or more races (3.25%)
Asian (0.17%)
Other race (0.17%)
Native American (0.09%)
Black or African American (0.06%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 13,101 | 96.26% |
| Two or more races | 443 | 3.25% |
| Asian | 23 | 0.17% |
| Other race | 23 | 0.17% |
| Native American | 12 | 0.09% |
| Black or African American | 8 | 0.06% |
Married
Widowed
Divorced
Separated
Never Married
Norwalk's average per capita income is $59,010. Household income levels show a median of $94,583. The poverty rate stands at 3.16%.
Name | Median | Mean |
|---|---|---|
| Married Families | $135,088 | - |
| Families | $122,768 | $140,857 |
| Households | $94,583 | $120,920 |
| Non Families | $54,386 | $65,665 |
Average Income
Median Household Income
Poverty Rate