Knoxville city, Iowa demographics
Population: 7,537
Median age: 40.1
Median household income: 52,125
Knoxville is a city in Marion County, Iowa, United States.
Demographics, population, home values, social and economic characteristics of Knoxville city, IA.
Population
| 2021 | 7,537 |
| 2020 | 7,154 |
| 2019 | 7,192 |
| 2018 | 7,200 |
| 2017 | 7,202 |
| 2016 | 7,236 |
| 2015 | 7,245 |
| 2014 | 7,257 |
| 2013 | 7,300 |
| 2012 | 7,353 |
| 2011 | 7,407 |
| 2010 | 7,459 |
| 2009 | 7,348 |
Census data for Knoxville city, Iowa
Demographic and housing estimates in Knoxville city, Iowa
| Total population | 7,537 |
| Male | 3,500 |
| Female | 4,037 |
| Total population | 7,537 |
| Under 5 years | 447 |
| 5 to 9 years | 336 |
| 10 to 14 years | 408 |
| 15 to 19 years | 434 |
| 20 to 24 years | 684 |
| 25 to 34 years | 1,116 |
| 35 to 44 years | 733 |
| 45 to 54 years | 723 |
| 55 to 59 years | 524 |
| 60 to 64 years | 528 |
| 65 to 74 years | 763 |
| 75 to 84 years | 400 |
| 85 years and over | 441 |
| Median age (years) | 40.1 |
| Under 18 years | 1,498 |
| 16 years and over | 6,193 |
| 18 years and over | 6,039 |
| 21 years and over | 5,840 |
| 62 years and over | 2,014 |
| 65 years and over | 1,604 |
| Total population | 7,537 |
| One race | 7,346 |
| White | 7,239 |
| Black or African American | 32 |
| American Indian and Alaska Native | 0 |
| Asian | 66 |
| Native Hawaiian and Other Pacific Islander | 9 |
| Some other race | 0 |
| Two or more races | 191 |
| Citizen, VOTING AGE 18 and over population | 6,027 |
| Male Citizen, VOTING AGE 18 and over population | 2,890 |
| Female Citizen, VOTING AGE 18 and over population | 3,137 |
Social characteristics in Knoxville city, Iowa
| Total households | 3,406 |
| Family households (families) | 1,562 |
| Married-couple family | 262 |
| Male householder, no wife present, family | 681 |
| Female householder, no husband present, family | 541 |
| Nonfamily households | 901 |
| Average household size | 1,069 |
| Average family size | 2.16 |
Economic characteristics in Knoxville city, Iowa
| Total households | 3,406 |
| Less than $10,000 | 168 |
| $10,000 to $14,999 | 301 |
| $15,000 to $24,999 | 267 |
| $25,000 to $34,999 | 356 |
| $35,000 to $49,999 | 407 |
| $50,000 to $74,999 | 953 |
| $75,000 to $99,999 | 301 |
| $100,000 to $149,999 | 478 |
| $150,000 to $199,999 | 82 |
| $200,000 or more | 93 |
| Median household income (dollars) | 52,125 |
Housing characteristics in Knoxville city, Iowa
| Total housing units | 3,740 |
| Occupied housing units | 3,406 |
| Vacant housing units | 334 |
| Total housing units | 3,740 |
| 1-unit, detached | 2,593 |
| 1-unit, attached | 78 |
| 2 units | 144 |
| 3 or 4 units | 258 |
| 5 to 9 units | 264 |
| 10 to 19 units | 46 |
| 20 or more units | 88 |
| Mobile home | 269 |
| Boat, RV, van, etc. | 0 |
| Total housing units | 3,740 |
| Built 2014 or later | 0 |
| Built 2010 to 2013 | 251 |
| Built 2000 to 2009 | 115 |
| Built 1990 to 1999 | 444 |
| Built 1980 to 1989 | 235 |
| Built 1970 to 1979 | 658 |
| Built 1960 to 1969 | 594 |
| Built 1950 to 1959 | 341 |
| Built 1940 to 1949 | 236 |
| Built 1939 or earlier | 866 |
| Total housing units | 3,740 |
| 1 room | 49 |
| 2 rooms | 111 |
| 3 rooms | 368 |
| 4 rooms | 832 |
| 5 rooms | 843 |
| 6 rooms | 455 |
| 7 rooms | 333 |
| 8 rooms | 279 |
| 9 rooms or more | 470 |
| Median rooms | 5.1 |
| Total housing units | 3,740 |
| No bedroom | 49 |
| 1 bedroom | 449 |
| 2 bedrooms | 1,192 |
| 3 bedrooms | 1,400 |
| 4 bedrooms | 471 |
| 5 or more bedrooms | 179 |
| Occupied housing units | 3,406 |
| Owner-occupied | 2,157 |
| Renter-occupied | 1,249 |
| Average household size of owner-occupied unit | 2.36 |
| Average household size of renter-occupied unit | 1.81 |
| Occupied housing units | 3,406 |
| Moved in 2017 or later | 496 |
| Moved in 2015 to 2016 | 1,001 |
| Moved in 2010 to 2014 | 599 |
| Moved in 2000 to 2009 | 665 |
| Moved in 1990 to 1999 | 306 |
| Moved in 1989 and earlier | 339 |
| Owner-occupied units | 2,157 |
| Less than $50,000 | 360 |
| $50,000 to $99,999 | 618 |
| $100,000 to $149,999 | 610 |
| $150,000 to $199,999 | 214 |
| $200,000 to $299,999 | 255 |
| $300,000 to $499,999 | 56 |
| $500,000 to $999,999 | 38 |
| $1,000,000 or more | 6 |
| Median (dollars) | 106,700 |
| Owner-occupied units | 2,157 |
| Housing units with a mortgage | 1,170 |
| Housing units without a mortgage | 987 |
| Occupied units paying rent | 1,198 |
| Less than $500 | 219 |
| $500 to $999 | 915 |
| $1,000 to $1,499 | 49 |
| $1,500 to $1,999 | 15 |
| $2,000 to $2,499 | 0 |
| $2,500 to $2,999 | 0 |
| $3,000 or more | 0 |
| Median (dollars) | 719 |
| No rent paid | 51 |
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