Table DP-1. Profile of General Demographic Characteristics: 2020
Geographic area: Jefferson County, Kansas
[For information on confidentiality protection, nonsampling error, and definitions, see www.census.gov]
SubjectNumberPercent SubjectNumberPercent
Total Population 18,368 100.0     
 RELATIONSHIP  
SEX AND AGE     Total population 18,368 100.0
Male 9,285 50.5  In households 18,186 99.0
Female 9,083 49.5    Householder 7,218 39.3
      Spouse, opposite-sex 4,220 23.0
Under 5 years 998 5.4    Spouse, same-sex 14 0.1
5 to 9 years 1,193 6.5    Unmarried partner, opposite-sex 431 2.3
10 to 14 years 1,274 6.9    Unmarried partner, same-sex 14 0.1
15 to 19 years 1,173 6.4    Child 5,078 27.6
20 to 24 years 769 4.2      Under 18 years 3,816 20.8
25 to 29 years 870 4.7    Grandchild 408 2.2
30 to 34 years 969 5.3      Under 18 years 325 1.8
35 to 39 years 1,133 6.2    Other relatives 451 2.5
40 to 44 years 1,037 5.6    Nonrelatives 352 1.9
45 to 49 years 1,073 5.8  In group quarters 182 1.0
50 to 54 years 1,238 6.7    Institutionalized population 182 1.0
55 to 59 years 1,530 8.3      Male 104 0.6
60 to 64 years 1,468 8.0      Female 78 0.4
65 to 69 years 1,268 6.9    Noninstitutionalized population 0 0.0
70 to 74 years 980 5.3      Male 0 0.0
75 to 79 years 655 3.6      Female 0 0.0
80 to 84 years 394 2.1 
85 years and over 346 1.9  HOUSEHOLDS BY TYPE
Median age (years) 43.7 (X)   Total households 7,209 100.0
 Married-couple 4,232 58.7
18 years and over 14,077 76.6    With own children under 18 years 1,454 20.2
  Male 7,082 76.3  Cohabiting-couple 448 6.2
  Female 6,995 77.0    With own children under 18 years 160 2.2
21 years and over 13,607 74.1  Female householder, no husband present 508 7.0
62 years and over 4,499 24.5    With own children under 18 years 204 2.8
65 years and over 3,643 19.8  Male householder, no husband present 341 4.7
  Male 1,794 19.3    With own children under 18 years 127 1.8
  Female 1,849 20.4  Householder living alone 1,680 23.3
   Householder 65 years and over 819 11.4
RACE 
One race 17,226 93.8  Households with individuals under 18 years 2,160 30.0
  White 16,797 91.4  Households with individuals 65 and over 2,507 34.8
  Black or African American 103 0.6  
  American Indian and Alaska Native 128 0.7 Average household size 2.52 (X)
  Asian 43 0.2 
  Native Hawaiian and Other Pac. Islander 31 0.2 HOUSING OCCUPANCY
  Some other race 124 0.7    Total housing units 7,911 100.0
Two or more races 1,142 6.2  Occupied housing units 7,209 91.1
 Vacant housing units 702 8.9
Race alone or in combination with one     For seasonal, rec., or occasional use 219 2.8
 or more other races:¹       
White 17,923 97.6  Homeowner vacancy rate (percent) 1.1 (X)
Black or African American 250 1.4  Rental vacancy rate (percent) 6.4 (X)
American Indian and Alaska Native 724 3.9
Asian 116 0.6  HOUSING TENURE
Native Hawaiian and Other Pac. Islander 55 0.3    Occupied housing units 7,209 100.0
Some other race 484 2.6  Owner-occupied housing units 5,991 83.1
 Renter-occupied housing units 1,218 16.9
HISPANIC OR LATINO AND RACE  
Hispanic or Latino (of any race) 567 3.1  
Not Hispanic or Latino 17,801 96.9 
  White alone 16,549 90.1
(X) Not applicable.
¹ In combination with one or more of the other races listed. The six numbers may add to more than the total population
   and the six percentages may add to more than 100 percent because individuals may report more than one race.
 
Source: U.S. Census Bureau, Census 2020.