DeKalb County, Tennessee demographics
Population: 19,875
Median age: 42.6
Median household income: 45,728
Demographics, population, home values, social and economic characteristics of DeKalb County, Tennessee.
Population
| 2021 | 19,875 |
| 2020 | 20,104 |
| 2019 | 19,847 |
| 2018 | 19,601 |
| 2017 | 19,380 |
| 2016 | 19,159 |
| 2015 | 19,038 |
| 2014 | 18,968 |
| 2013 | 18,875 |
| 2012 | 18,770 |
| 2011 | 18,684 |
| 2010 | 18,569 |
| 2009 | 18,624 |
DeKalb County, TN cities
Alexandria town - 936
Dowelltown town - 375
Liberty town - 385
Smithville city - 4,949
Census data for DeKalb County, Tennessee
Demographic and housing estimates in DeKalb County, Tennessee
| Total population | 19,875 |
| Male | 10,177 |
| Female | 9,698 |
| Total population | 19,875 |
| Under 5 years | 1,265 |
| 5 to 9 years | 1,168 |
| 10 to 14 years | 1,088 |
| 15 to 19 years | 1,173 |
| 20 to 24 years | 981 |
| 25 to 34 years | 2,373 |
| 35 to 44 years | 2,478 |
| 45 to 54 years | 2,679 |
| 55 to 59 years | 1,202 |
| 60 to 64 years | 1,764 |
| 65 to 74 years | 2,241 |
| 75 to 84 years | 1,051 |
| 85 years and over | 412 |
| Median age (years) | 42.6 |
| Under 18 years | 4,326 |
| 16 years and over | 16,048 |
| 18 years and over | 15,549 |
| 21 years and over | 14,926 |
| 62 years and over | 4,640 |
| 65 years and over | 3,704 |
| Total population | 19,875 |
| One race | 19,288 |
| White | 18,132 |
| Black or African American | 347 |
| American Indian and Alaska Native | 93 |
| Asian | 114 |
| Native Hawaiian and Other Pacific Islander | 0 |
| Some other race | 602 |
| Two or more races | 587 |
| Citizen, VOTING AGE 18 and over population | 14,769 |
| Male Citizen, VOTING AGE 18 and over population | 7,286 |
| Female Citizen, VOTING AGE 18 and over population | 7,483 |
Social characteristics in DeKalb County, Tennessee
| Total households | 8,023 |
| Family households (families) | 4,520 |
| Married-couple family | 515 |
| Male householder, no wife present, family | 1,311 |
| Female householder, no husband present, family | 766 |
| Nonfamily households | 1,677 |
| Average household size | 2,680 |
| Average family size | 2.44 |
Economic characteristics in DeKalb County, Tennessee
| Total households | 8,023 |
| Less than $10,000 | 521 |
| $10,000 to $14,999 | 450 |
| $15,000 to $24,999 | 1,217 |
| $25,000 to $34,999 | 817 |
| $35,000 to $49,999 | 1,273 |
| $50,000 to $74,999 | 1,508 |
| $75,000 to $99,999 | 751 |
| $100,000 to $149,999 | 1,004 |
| $150,000 to $199,999 | 317 |
| $200,000 or more | 165 |
| Median household income (dollars) | 45,728 |
Housing characteristics in DeKalb County, Tennessee
| Total housing units | 9,802 |
| Occupied housing units | 8,023 |
| Vacant housing units | 1,779 |
| Total housing units | 9,802 |
| 1-unit, detached | 7,240 |
| 1-unit, attached | 119 |
| 2 units | 422 |
| 3 or 4 units | 199 |
| 5 to 9 units | 145 |
| 10 to 19 units | 134 |
| 20 or more units | 31 |
| Mobile home | 1,500 |
| Boat, RV, van, etc. | 12 |
| Total housing units | 9,802 |
| Built 2014 or later | 19 |
| Built 2010 to 2013 | 658 |
| Built 2000 to 2009 | 1,674 |
| Built 1990 to 1999 | 1,818 |
| Built 1980 to 1989 | 857 |
| Built 1970 to 1979 | 2,267 |
| Built 1960 to 1969 | 1,051 |
| Built 1950 to 1959 | 654 |
| Built 1940 to 1949 | 214 |
| Built 1939 or earlier | 590 |
| Total housing units | 9,802 |
| 1 room | 238 |
| 2 rooms | 105 |
| 3 rooms | 699 |
| 4 rooms | 1,392 |
| 5 rooms | 2,287 |
| 6 rooms | 2,539 |
| 7 rooms | 1,215 |
| 8 rooms | 647 |
| 9 rooms or more | 680 |
| Median rooms | 5.6 |
| Total housing units | 9,802 |
| No bedroom | 238 |
| 1 bedroom | 374 |
| 2 bedrooms | 2,733 |
| 3 bedrooms | 5,348 |
| 4 bedrooms | 779 |
| 5 or more bedrooms | 330 |
| Occupied housing units | 8,023 |
| Owner-occupied | 5,554 |
| Renter-occupied | 2,469 |
| Average household size of owner-occupied unit | 2.47 |
| Average household size of renter-occupied unit | 2.36 |
| Occupied housing units | 8,023 |
| Moved in 2017 or later | 724 |
| Moved in 2015 to 2016 | 2,168 |
| Moved in 2010 to 2014 | 1,262 |
| Moved in 2000 to 2009 | 1,845 |
| Moved in 1990 to 1999 | 1,145 |
| Moved in 1989 and earlier | 879 |
| Owner-occupied units | 5,554 |
| Less than $50,000 | 321 |
| $50,000 to $99,999 | 988 |
| $100,000 to $149,999 | 1,125 |
| $150,000 to $199,999 | 1,521 |
| $200,000 to $299,999 | 852 |
| $300,000 to $499,999 | 511 |
| $500,000 to $999,999 | 205 |
| $1,000,000 or more | 31 |
| Median (dollars) | 158,500 |
| Owner-occupied units | 5,554 |
| Housing units with a mortgage | 2,944 |
| Housing units without a mortgage | 2,610 |
| Occupied units paying rent | 2,264 |
| Less than $500 | 583 |
| $500 to $999 | 1,359 |
| $1,000 to $1,499 | 322 |
| $1,500 to $1,999 | 0 |
| $2,000 to $2,499 | 0 |
| $2,500 to $2,999 | 0 |
| $3,000 or more | 0 |
| Median (dollars) | 683 |
| No rent paid | 205 |
Demographic data for DeKalb County, TN and each city in the county. Lists of cities by population, wealth and poverty in DeKalb County, TN.
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