Jefferson County, Missouri demographics
Population: 225,913
Median age: 39.9
Median household income: 71,285
Demographics, population, home values, social and economic characteristics of Jefferson County, Missouri.
Population
| 2021 | 225,913 |
| 2020 | 224,777 |
| 2019 | 223,951 |
| 2018 | 223,302 |
| 2017 | 222,639 |
| 2016 | 222,453 |
| 2015 | 221,577 |
| 2014 | 220,558 |
| 2013 | 219,636 |
| 2012 | 218,628 |
| 2011 | 217,531 |
| 2010 | 216,262 |
| 2009 | 215,386 |
Jefferson County, MO cities
Arnold city - 20,808
Barnhart CDP - 6,506
Byrnes Mill city - 3,116
Cedar Hill CDP - 1,761
Cedar Hill Lakes village - 350
Crystal City city - 4,743
De Soto city - 6,429
Festus city - 12,609
Herculaneum city - 4,599
High Ridge CDP - 4,201
Hillsboro city - 3,425
Horine CDP - 911
Imperial CDP - 5,119
Kimmswick city - 108
LaBarque Creek CDP - 1,016
Lake Tekakwitha village - 245
Murphy CDP - 8,241
Olympian Village city - 819
Parkdale village - 180
Pevely city - 5,974
Scotsdale town - 151
Census data for Jefferson County, Missouri
Demographic and housing estimates in Jefferson County, Missouri
| Total population | 225,913 |
| Male | 112,850 |
| Female | 113,063 |
| Total population | 225,913 |
| Under 5 years | 13,101 |
| 5 to 9 years | 14,103 |
| 10 to 14 years | 15,898 |
| 15 to 19 years | 13,978 |
| 20 to 24 years | 11,898 |
| 25 to 34 years | 28,185 |
| 35 to 44 years | 30,504 |
| 45 to 54 years | 30,231 |
| 55 to 59 years | 17,088 |
| 60 to 64 years | 16,530 |
| 65 to 74 years | 22,005 |
| 75 to 84 years | 9,109 |
| 85 years and over | 3,283 |
| Median age (years) | 39.9 |
| Under 18 years | 52,419 |
| 16 years and over | 179,695 |
| 18 years and over | 173,494 |
| 21 years and over | 166,521 |
| 62 years and over | 43,819 |
| 65 years and over | 34,397 |
| Total population | 225,913 |
| One race | 213,564 |
| White | 208,421 |
| Black or African American | 2,004 |
| American Indian and Alaska Native | 304 |
| Asian | 1,837 |
| Native Hawaiian and Other Pacific Islander | 36 |
| Some other race | 962 |
| Two or more races | 12,349 |
| Citizen, VOTING AGE 18 and over population | 172,173 |
| Male Citizen, VOTING AGE 18 and over population | 85,303 |
| Female Citizen, VOTING AGE 18 and over population | 86,870 |
Social characteristics in Jefferson County, Missouri
| Total households | 85,737 |
| Family households (families) | 46,324 |
| Married-couple family | 6,171 |
| Male householder, no wife present, family | 14,223 |
| Female householder, no husband present, family | 9,224 |
| Nonfamily households | 19,019 |
| Average household size | 24,336 |
| Average family size | 2.61 |
Economic characteristics in Jefferson County, Missouri
| Total households | 85,737 |
| Less than $10,000 | 2,953 |
| $10,000 to $14,999 | 2,375 |
| $15,000 to $24,999 | 5,329 |
| $25,000 to $34,999 | 6,871 |
| $35,000 to $49,999 | 11,154 |
| $50,000 to $74,999 | 16,282 |
| $75,000 to $99,999 | 13,449 |
| $100,000 to $149,999 | 16,824 |
| $150,000 to $199,999 | 6,457 |
| $200,000 or more | 4,043 |
| Median household income (dollars) | 71,285 |
Housing characteristics in Jefferson County, Missouri
| Total housing units | 92,010 |
| Occupied housing units | 85,737 |
| Vacant housing units | 6,273 |
| Total housing units | 92,010 |
| 1-unit, detached | 72,503 |
| 1-unit, attached | 1,286 |
| 2 units | 1,433 |
| 3 or 4 units | 1,891 |
| 5 to 9 units | 2,235 |
| 10 to 19 units | 1,686 |
| 20 or more units | 1,237 |
| Mobile home | 9,703 |
| Boat, RV, van, etc. | 36 |
| Total housing units | 92,010 |
| Built 2014 or later | 278 |
| Built 2010 to 2013 | 6,276 |
| Built 2000 to 2009 | 16,203 |
| Built 1990 to 1999 | 17,475 |
| Built 1980 to 1989 | 12,684 |
| Built 1970 to 1979 | 14,934 |
| Built 1960 to 1969 | 10,083 |
| Built 1950 to 1959 | 8,126 |
| Built 1940 to 1949 | 2,928 |
| Built 1939 or earlier | 3,023 |
| Total housing units | 92,010 |
| 1 room | 330 |
| 2 rooms | 700 |
| 3 rooms | 2,945 |
| 4 rooms | 13,173 |
| 5 rooms | 21,391 |
| 6 rooms | 19,605 |
| 7 rooms | 14,028 |
| 8 rooms | 9,458 |
| 9 rooms or more | 10,380 |
| Median rooms | 5.9 |
| Total housing units | 92,010 |
| No bedroom | 384 |
| 1 bedroom | 3,531 |
| 2 bedrooms | 20,372 |
| 3 bedrooms | 49,551 |
| 4 bedrooms | 15,659 |
| 5 or more bedrooms | 2,513 |
| Occupied housing units | 85,737 |
| Owner-occupied | 68,538 |
| Renter-occupied | 17,199 |
| Average household size of owner-occupied unit | 2.66 |
| Average household size of renter-occupied unit | 2.41 |
| Occupied housing units | 85,737 |
| Moved in 2017 or later | 7,195 |
| Moved in 2015 to 2016 | 21,394 |
| Moved in 2010 to 2014 | 13,923 |
| Moved in 2000 to 2009 | 20,020 |
| Moved in 1990 to 1999 | 12,290 |
| Moved in 1989 and earlier | 10,915 |
| Owner-occupied units | 68,538 |
| Less than $50,000 | 5,193 |
| $50,000 to $99,999 | 6,408 |
| $100,000 to $149,999 | 12,341 |
| $150,000 to $199,999 | 16,746 |
| $200,000 to $299,999 | 16,294 |
| $300,000 to $499,999 | 9,936 |
| $500,000 to $999,999 | 1,403 |
| $1,000,000 or more | 217 |
| Median (dollars) | 175,000 |
| Owner-occupied units | 68,538 |
| Housing units with a mortgage | 45,135 |
| Housing units without a mortgage | 23,403 |
| Occupied units paying rent | 15,823 |
| Less than $500 | 960 |
| $500 to $999 | 9,022 |
| $1,000 to $1,499 | 4,447 |
| $1,500 to $1,999 | 1,058 |
| $2,000 to $2,499 | 194 |
| $2,500 to $2,999 | 29 |
| $3,000 or more | 113 |
| Median (dollars) | 889 |
| No rent paid | 1,376 |
Demographic data for Jefferson County, MO and each city in the county. Lists of cities by population, wealth and poverty in Jefferson County, MO.
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