Norwalk city, Iowa demographics
Population: 12,592
Median age: 36.0
Median household income: 91,610
Norwalk is a city in Polk County and Warren County, Iowa, United States.
Demographics, population, home values, social and economic characteristics of Norwalk city, IA.
Population
| 2021 | 12,592 |
| 2020 | 11,467 |
| 2019 | 10,978 |
| 2018 | 10,568 |
| 2017 | 10,179 |
| 2016 | 9,944 |
| 2015 | 9,671 |
| 2014 | 9,444 |
| 2013 | 9,254 |
| 2012 | 9,012 |
| 2011 | 8,784 |
| 2010 | 8,622 |
| 2009 | 8,466 |
Census data for Norwalk city, Iowa
Demographic and housing estimates in Norwalk city, Iowa
| Total population | 12,592 |
| Male | 6,088 |
| Female | 6,504 |
| Total population | 12,592 |
| Under 5 years | 791 |
| 5 to 9 years | 926 |
| 10 to 14 years | 1,387 |
| 15 to 19 years | 684 |
| 20 to 24 years | 562 |
| 25 to 34 years | 1,737 |
| 35 to 44 years | 1,868 |
| 45 to 54 years | 1,563 |
| 55 to 59 years | 803 |
| 60 to 64 years | 817 |
| 65 to 74 years | 792 |
| 75 to 84 years | 435 |
| 85 years and over | 227 |
| Median age (years) | 36.0 |
| Under 18 years | 3,630 |
| 16 years and over | 9,337 |
| 18 years and over | 8,962 |
| 21 years and over | 8,737 |
| 62 years and over | 1,736 |
| 65 years and over | 1,454 |
| Total population | 12,592 |
| One race | 12,330 |
| White | 12,082 |
| Black or African American | 164 |
| American Indian and Alaska Native | 0 |
| Asian | 67 |
| Native Hawaiian and Other Pacific Islander | 0 |
| Some other race | 17 |
| Two or more races | 262 |
| Citizen, VOTING AGE 18 and over population | 8,962 |
| Male Citizen, VOTING AGE 18 and over population | 4,349 |
| Female Citizen, VOTING AGE 18 and over population | 4,613 |
Social characteristics in Norwalk city, Iowa
| Total households | 4,818 |
| Family households (families) | 2,597 |
| Married-couple family | 345 |
| Male householder, no wife present, family | 670 |
| Female householder, no husband present, family | 427 |
| Nonfamily households | 1,206 |
| Average household size | 961 |
| Average family size | 2.59 |
Economic characteristics in Norwalk city, Iowa
| Total households | 4,818 |
| Less than $10,000 | 123 |
| $10,000 to $14,999 | 169 |
| $15,000 to $24,999 | 308 |
| $25,000 to $34,999 | 191 |
| $35,000 to $49,999 | 469 |
| $50,000 to $74,999 | 617 |
| $75,000 to $99,999 | 969 |
| $100,000 to $149,999 | 807 |
| $150,000 to $199,999 | 654 |
| $200,000 or more | 511 |
| Median household income (dollars) | 91,610 |
Housing characteristics in Norwalk city, Iowa
| Total housing units | 4,979 |
| Occupied housing units | 4,818 |
| Vacant housing units | 161 |
| Total housing units | 4,979 |
| 1-unit, detached | 3,618 |
| 1-unit, attached | 609 |
| 2 units | 14 |
| 3 or 4 units | 93 |
| 5 to 9 units | 239 |
| 10 to 19 units | 124 |
| 20 or more units | 282 |
| Mobile home | 0 |
| Boat, RV, van, etc. | 0 |
| Total housing units | 4,979 |
| Built 2014 or later | 49 |
| Built 2010 to 2013 | 1,248 |
| Built 2000 to 2009 | 1,120 |
| Built 1990 to 1999 | 542 |
| Built 1980 to 1989 | 553 |
| Built 1970 to 1979 | 599 |
| Built 1960 to 1969 | 371 |
| Built 1950 to 1959 | 288 |
| Built 1940 to 1949 | 12 |
| Built 1939 or earlier | 197 |
| Total housing units | 4,979 |
| 1 room | 48 |
| 2 rooms | 207 |
| 3 rooms | 298 |
| 4 rooms | 473 |
| 5 rooms | 727 |
| 6 rooms | 939 |
| 7 rooms | 646 |
| 8 rooms | 771 |
| 9 rooms or more | 870 |
| Median rooms | 6.3 |
| Total housing units | 4,979 |
| No bedroom | 48 |
| 1 bedroom | 252 |
| 2 bedrooms | 711 |
| 3 bedrooms | 1,964 |
| 4 bedrooms | 1,512 |
| 5 or more bedrooms | 492 |
| Occupied housing units | 4,818 |
| Owner-occupied | 3,939 |
| Renter-occupied | 879 |
| Average household size of owner-occupied unit | 2.68 |
| Average household size of renter-occupied unit | 2.21 |
| Occupied housing units | 4,818 |
| Moved in 2017 or later | 544 |
| Moved in 2015 to 2016 | 1,722 |
| Moved in 2010 to 2014 | 659 |
| Moved in 2000 to 2009 | 1,013 |
| Moved in 1990 to 1999 | 519 |
| Moved in 1989 and earlier | 361 |
| Owner-occupied units | 3,939 |
| Less than $50,000 | 25 |
| $50,000 to $99,999 | 24 |
| $100,000 to $149,999 | 603 |
| $150,000 to $199,999 | 998 |
| $200,000 to $299,999 | 980 |
| $300,000 to $499,999 | 1,041 |
| $500,000 to $999,999 | 235 |
| $1,000,000 or more | 33 |
| Median (dollars) | 236,600 |
| Owner-occupied units | 3,939 |
| Housing units with a mortgage | 2,956 |
| Housing units without a mortgage | 983 |
| Occupied units paying rent | 862 |
| Less than $500 | 129 |
| $500 to $999 | 356 |
| $1,000 to $1,499 | 261 |
| $1,500 to $1,999 | 116 |
| $2,000 to $2,499 | 0 |
| $2,500 to $2,999 | 0 |
| $3,000 or more | 0 |
| Median (dollars) | 907 |
| No rent paid | 17 |
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