Population Demographics for Dekalb County, Illinois in 2020, 2019 
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  |   | Male | Female | Total |  | Total Population | 52,530 | 52,630 | 105,160 |  | White | 44,802 | 44,651 | 89,453 |  | Hispanic or Latino | 5,535 | 5,112 | 10,647 |  | Black or African American | 3,036 | 3,696 | 6,732 |  | Some Other Race | 2,239 | 1,910 | 4,149 |  | Asian | 1,241 | 1,197 | 2,438 |  | Two or More Races | 1,056 | 1,042 | 2,098 |  | American Indian | 144 | 123 | 267 |  | Three or more races | 61 | 73 | 134 |  
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  |  Total population in Dekalb County |   |  | Total Population: | 105,160 |  | Male Population: | 52,530 |  | Female Population: | 52,630 |  
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  |  Median age in Dekalb County |   |  | Both sexes | 29 |  | Male | 28 |  | Female | 30 |  
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  |  Population in households in Dekalb County |   |  | Total Population: | 98,487 |  | Male Population: | 49,276 |  | Under 5 years: | 3,404 |  | 5 to 9 years: | 3,440 |  | 10 to 14 years: | 3,288 |  | 15 to 17 years: | 1,888 |  | 18 and 19 years: | 1,368 |  | 20 years: | 1,142 |  | 21 years: | 1,528 |  | 22 to 24 years: | 4,120 |  | 25 to 29 years: | 4,266 |  | 30 to 34 years: | 3,315 |  | 35 to 39 years: | 2,948 |  | 40 to 44 years: | 3,014 |  | 45 to 49 years: | 3,282 |  | 50 to 54 years: | 3,183 |  | 55 to 59 years: | 2,684 |  | 60 and 61 years: | 922 |  | 62 to 64 years: | 1,222 |  | 65 and 66 years: | 611 |  | 67 to 69 years: | 850 |  | 70 to 74 years: | 1,024 |  | 75 to 79 years: | 772 |  | 80 to 84 years: | 563 |  | 85 years and over: | 442 |  | Female Population: | 49,211 |  | Under 5 years: | 3,229 |  | 5 to 9 years: | 3,210 |  | 10 to 14 years: | 3,060 |  | 15 to 17 years: | 1,939 |  | 18 and 19 years: | 1,345 |  | 20 years: | 1,227 |  | 21 years: | 1,529 |  | 22 to 24 years: | 3,755 |  | 25 to 29 years: | 3,878 |  | 30 to 34 years: | 3,146 |  | 35 to 39 years: | 2,975 |  | 40 to 44 years: | 2,964 |  | 45 to 49 years: | 3,392 |  | 50 to 54 years: | 3,148 |  | 55 to 59 years: | 2,731 |  | 60 and 61 years: | 917 |  | 62 to 64 years: | 1,226 |  | 65 and 66 years: | 719 |  | 67 to 69 years: | 919 |  | 70 to 74 years: | 1,210 |  | 75 to 79 years: | 1,024 |  | 80 to 84 years: | 821 |  | 85 years and over: | 847 |  
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  |  Average household size in Dekalb County |   |  | Total: | 2 |  | Under 18 years: | 0 |  | 18 years and over: | 1 |  
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  |  Number of occupied homes in Dekalb County |   |  | Total: | 38,484 |  | Family led homes: | 23,781 |  | Husband-wife family: | 18,164 |  | Other family: | 5,617 |  | Population of male led with no wife present: | 1,699 |  | Population female led with no husband present: | 3,918 |  | Population of Nonfamily homes: | 14,703 |  | Population living alone: | 9,934 |  | Population not living alone: | 4,769 |  
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  |  Total occupied homes in Dekalb County with people under 18 years old: |   |  | Total: | 38,484 |  | Population of homes with one or more people under 18 years: | 12,285 |  | Population of family homes: | 12,161 |  | Husband-wife family: | 8,382 |  | Under 6 years only: | 1,957 |  | Under 6 years and 6 to 17 years: | 1,984 |  | 6 to 17 years only: | 4,441 |  | Other family: | 3,779 |  | Male householder, no wife present: | 985 |  | Under 6 years only: | 311 |  | Under 6 years and 6 to 17 years: | 180 |  | 6 to 17 years only: | 494 |  | Female led with no husband present: | 2,794 |  | Under 6 years only: | 809 |  | Under 6 years and 6 to 17 years: | 511 |  | 6 to 17 years only: | 1,474 |  | Nonfamily households: | 124 |  | Male led households: | 100 |  | Under 6 years only: | 22 |  | Under 6 years and 6 to 17 years: | 10 |  | 6 to 17 years only: | 68 |  | Female led householder: | 24 |  | Under 6 years only: | 11 |  | Under 6 years and 6 to 17 years: | 2 |  | 6 to 17 years only: | 11 |  | Households with no people under 18 years: | 26,199 |  | Family households: | 11,620 |  | Husband-wife family: | 9,782 |  | Other family: | 1,838 |  | Male led with no wife present: | 714 |  | Female led with no husband present: | 1,124 |  | Nonfamily households: | 14,579 |  | Male led householder: | 7,401 |  | Female led householder: | 7,178 |  
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  |  Total number led homes in Dekalb County, by type |   |  | Total Home Population: | 38,484 |  | Population of Family homes: | 23,781 |  | Population of 15 to 24 year olds: | 1,091 |  | Population of 25 to 34 year olds: | 4,478 |  | Population of 35 to 44 year olds: | 5,192 |  | Population of 45 to 54 year olds: | 5,562 |  | Population of 55 to 59 year olds: | 2,184 |  | Population of 60 to 64 year olds: | 1,771 |  | Population of 65 to 74 year olds: | 2,097 |  | Population of 75 to 84 year olds: | 1,110 |  | Population of 85 year olds and over: | 296 |  | Population of Nonfamily Homes: | 14,703 |  | Population of 15 to 24 year olds: | 4,097 |  | Population of 25 to 34 year olds: | 2,658 |  | Population of 35 to 44 year olds: | 1,251 |  | Population of 45 to 54 year olds: | 1,854 |  | Population of 55 to 59 year olds: | 956 |  | Population of 60 to 64 year olds: | 823 |  | Population of 65 to 74 year olds: | 1,245 |  | Population of 75 to 84 year olds: | 1,088 |  | Population of 85 year olds and over: | 731 |  
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  |  households in Dekalb County containing people over 60 |   |  | Total Population: | 38,484 |  | Population of homes with one or more people 60 years and over: | 10,023 |  | 1-person household: | 3,648 |  | 2-or-more-person household: | 6,375 |  | Family households: | 6,069 |  | Nonfamily households: | 306 |  | Population of homes with no people 60 years and over: | 28,461 |  | 1-person household: | 6,286 |  | 2-or-more-person household: | 22,175 |  | Family homes: | 17,712 |  | Nonfamily homes: | 4,463 |  
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  |  homes in Dekalb County with multiple generations. |   |  | Total Population: | 38,484 |  | Home has three or more generations: | 1,003 |  | Home does not have three or more generations: | 37,481 |  
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  |  Unmarried population in Dekalb County under 18 years old in homes |   |  | Total Population: | 23,452 |  | Unmarried partner of home lead present: | 1,893 |  | In family homes: | 1,790 |  | Population of male led and male partner homes: | 28 |  | Population of male led and female partner households: | 822 |  | Population of female led and female partner households: | 56 |  | Population of female led and male partner households: | 884 |  | In nonfamily homes: | 103 |  | Population of male led and male partner homes: | 0 |  | Population of male led and female partner homes: | 93 |  | Population of female led and female partner homes: | 3 |  | Population of female led and male partner homes: | 7 |  | No unmarried partner of home lead present: | 21,559 |  | In family homes: | 21,496 |  | Population of husband-wife family homes: | 16,700 |  | Population of male lead with no wife present, family homes: | 848 |  | Population of female lead with no husband present, family homes: | 3,948 |  | In nonfamily homes: | 63 |  
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  |  Population in families living in Dekalb County |   |  | Total Population: | 74,006 |  | Population Under 18 years: | 23,020 |  | Population 18 years and over: | 50,986 |  
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  |  How long in Dekalb County have lived in one place. |   |  | Total: | 38,484 |  | Population of Owner occupied homes: | 23,547 |  | Family home: | 17,984 |  | Nonfamily homess: | 5,563 |  | Male led home: | 2,661 |  | Living alone: | 2,034 |  | Not living alone: | 627 |  | Female led home: | 2,902 |  | Living alone: | 2,517 |  | Not living alone: | 385 |  | Population of Renter occupied homes: | 14,937 |  | Family run homes: | 5,797 |  | Husband-wife family: | 2,723 |  | Other family: | 3,074 |  | Male led with no wife present: | 831 |  | Female led with no husband present: | 2,243 |  | Nonfamily Homes: | 9,140 |  | Male led homes: | 4,840 |  | Male living alone: | 2,732 |  | Male not living alone: | 2,108 |  | Female led homes: | 4,300 |  | Females living alone: | 2,651 |  | Females not living alone: | 1,649 |  
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