Spencer city, Iowa demographics
Population: 11,292
Median age: 40.8
Median household income: 45,313
Spencer is a city in Clay County, Iowa, United States.
Demographics, population, home values, social and economic characteristics of Spencer city, IA.
Population
| 2021 | 11,292 |
| 2020 | 11,038 |
| 2019 | 11,052 |
| 2018 | 11,092 |
| 2017 | 11,132 |
| 2016 | 11,172 |
| 2015 | 11,186 |
| 2014 | 11,177 |
| 2013 | 11,188 |
| 2012 | 11,204 |
| 2011 | 11,200 |
| 2010 | 11,193 |
| 2009 | 10,980 |
Census data for Spencer city, Iowa
Demographic and housing estimates in Spencer city, Iowa
| Total population | 11,292 |
| Male | 5,358 |
| Female | 5,934 |
| Total population | 11,292 |
| Under 5 years | 575 |
| 5 to 9 years | 720 |
| 10 to 14 years | 848 |
| 15 to 19 years | 730 |
| 20 to 24 years | 660 |
| 25 to 34 years | 1,222 |
| 35 to 44 years | 1,322 |
| 45 to 54 years | 1,276 |
| 55 to 59 years | 651 |
| 60 to 64 years | 899 |
| 65 to 74 years | 1,229 |
| 75 to 84 years | 792 |
| 85 years and over | 368 |
| Median age (years) | 40.8 |
| Under 18 years | 2,608 |
| 16 years and over | 8,991 |
| 18 years and over | 8,684 |
| 21 years and over | 8,302 |
| 62 years and over | 3,055 |
| 65 years and over | 2,389 |
| Total population | 11,292 |
| One race | 10,838 |
| White | 10,603 |
| Black or African American | 13 |
| American Indian and Alaska Native | 24 |
| Asian | 81 |
| Native Hawaiian and Other Pacific Islander | 0 |
| Some other race | 117 |
| Two or more races | 454 |
| Citizen, VOTING AGE 18 and over population | 8,605 |
| Male Citizen, VOTING AGE 18 and over population | 4,136 |
| Female Citizen, VOTING AGE 18 and over population | 4,469 |
Social characteristics in Spencer city, Iowa
| Total households | 5,027 |
| Family households (families) | 2,115 |
| Married-couple family | 265 |
| Male householder, no wife present, family | 1,039 |
| Female householder, no husband present, family | 821 |
| Nonfamily households | 1,608 |
| Average household size | 1,656 |
| Average family size | 2.19 |
Economic characteristics in Spencer city, Iowa
| Total households | 5,027 |
| Less than $10,000 | 185 |
| $10,000 to $14,999 | 357 |
| $15,000 to $24,999 | 775 |
| $25,000 to $34,999 | 634 |
| $35,000 to $49,999 | 710 |
| $50,000 to $74,999 | 778 |
| $75,000 to $99,999 | 591 |
| $100,000 to $149,999 | 686 |
| $150,000 to $199,999 | 161 |
| $200,000 or more | 150 |
| Median household income (dollars) | 45,313 |
Housing characteristics in Spencer city, Iowa
| Total housing units | 5,588 |
| Occupied housing units | 5,027 |
| Vacant housing units | 561 |
| Total housing units | 5,588 |
| 1-unit, detached | 3,859 |
| 1-unit, attached | 130 |
| 2 units | 229 |
| 3 or 4 units | 411 |
| 5 to 9 units | 352 |
| 10 to 19 units | 152 |
| 20 or more units | 391 |
| Mobile home | 64 |
| Boat, RV, van, etc. | 0 |
| Total housing units | 5,588 |
| Built 2014 or later | 0 |
| Built 2010 to 2013 | 222 |
| Built 2000 to 2009 | 487 |
| Built 1990 to 1999 | 458 |
| Built 1980 to 1989 | 570 |
| Built 1970 to 1979 | 1,032 |
| Built 1960 to 1969 | 556 |
| Built 1950 to 1959 | 530 |
| Built 1940 to 1949 | 310 |
| Built 1939 or earlier | 1,423 |
| Total housing units | 5,588 |
| 1 room | 35 |
| 2 rooms | 97 |
| 3 rooms | 494 |
| 4 rooms | 948 |
| 5 rooms | 1,082 |
| 6 rooms | 737 |
| 7 rooms | 962 |
| 8 rooms | 384 |
| 9 rooms or more | 849 |
| Median rooms | 5.7 |
| Total housing units | 5,588 |
| No bedroom | 54 |
| 1 bedroom | 528 |
| 2 bedrooms | 1,752 |
| 3 bedrooms | 2,002 |
| 4 bedrooms | 976 |
| 5 or more bedrooms | 276 |
| Occupied housing units | 5,027 |
| Owner-occupied | 3,223 |
| Renter-occupied | 1,804 |
| Average household size of owner-occupied unit | 2.34 |
| Average household size of renter-occupied unit | 1.92 |
| Occupied housing units | 5,027 |
| Moved in 2017 or later | 685 |
| Moved in 2015 to 2016 | 1,291 |
| Moved in 2010 to 2014 | 495 |
| Moved in 2000 to 2009 | 1,433 |
| Moved in 1990 to 1999 | 382 |
| Moved in 1989 and earlier | 741 |
| Owner-occupied units | 3,223 |
| Less than $50,000 | 71 |
| $50,000 to $99,999 | 718 |
| $100,000 to $149,999 | 1,003 |
| $150,000 to $199,999 | 554 |
| $200,000 to $299,999 | 499 |
| $300,000 to $499,999 | 343 |
| $500,000 to $999,999 | 35 |
| $1,000,000 or more | 0 |
| Median (dollars) | 139,100 |
| Owner-occupied units | 3,223 |
| Housing units with a mortgage | 1,883 |
| Housing units without a mortgage | 1,340 |
| Occupied units paying rent | 1,743 |
| Less than $500 | 390 |
| $500 to $999 | 1,081 |
| $1,000 to $1,499 | 243 |
| $1,500 to $1,999 | 29 |
| $2,000 to $2,499 | 0 |
| $2,500 to $2,999 | 0 |
| $3,000 or more | 0 |
| Median (dollars) | 709 |
| No rent paid | 61 |
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