Norwalk Flag

Norwalk

County:
Warren County
County Seat:
No
Area (mi²):
11.649
State:
Iowa

Norwalk is a city located in Warren County, Iowa. Norwalk has a 2026 population of 16,635. Norwalk is currently growing at a rate of 3.87% annually and its population has increased by 28.78% since the most recent census, which recorded a population of 12,917 in 2020.

The median household income in Norwalk is $102,722 with a poverty rate of 4.16%. The median age in Norwalk is 37.8 years: 36.6 years for males, and 39.3 years for females. For every 100 females there are 89.9 males.

16.6K
Total Population
1,428
Density (mi²)
620 3.87%
Growth

Norwalk Population

Norwalk Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
202616,6356203.87%
202516,0156194.02%
202415,3965253.53%
202314,8717024.95%
202214,1695914.35%
202113,5787806.09%
202012,9179437.88%
201911,9744533.93%
201811,5216235.72%
201710,8983863.67%
201610,5124254.21%
201510,0872502.54%
20149,8372242.33%
20139,6131771.88%
20129,4361451.56%
20119,2912452.71%
20109,0461011.13%
20006,8841,15820.22%
19905,7263,050113.98%
19802,67600%

Median Age

Overall: 37.8 years
Female: 39.3 years
Male: 36.6 years

Norwalk Adults

There are 10,413 adults, (2,002 of whom are seniors) in Norwalk.

Sex Ratio

Female: 7,470 (52.7%)
Male: 6,713 (47.3%)

Demographics

The racial composition of Norwalk includes 94.37% White, and smaller percentages for Asian, other race, Native American, Black or African American and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White13,38594.37%
Two or more races5714.03%
Asian1671.18%
Other race360.25%
Native American150.11%
Black or African American90.06%
Race
Population ↓
Percentage (of total)
White2501.76%
Two or more races1541.09%
Other race200.14%
Race
Population ↓
Percentage (of total)
White13,13592.61%
Two or more races4172.94%
Asian1671.18%
Other race160.11%
Native American150.11%
Black or African American90.06%

Norwalk Marital Status

Economics and Income Statistics

Norwalk 's average per capita income is $62,014. Household income levels show a median of $102,722. The poverty rate stands at 4.16%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median ↓
Mean
Married Families$140,112-
Families$125,375$147,697
Households$102,722$124,083
Non Families$49,096$59,501

$62,014

Average Income

$102,722

Median Household Income

4.16%

Poverty Rate

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)