Population Demographics for De Witt County, Illinois in 2020, 2019 
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  |  Total population in De Witt County |   |  | Total Population: | 16,561 |  | Male Population: | 8,201 |  | Female Population: | 8,360 |  
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  |  Median age in De Witt County |   |  | Both sexes | 41 |  | Male | 40 |  | Female | 43 |  
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  |  Population in households in De Witt County |   |  | Total Population: | 16,312 |  | Male Population: | 8,076 |  | Under 5 years: | 513 |  | 5 to 9 years: | 550 |  | 10 to 14 years: | 526 |  | 15 to 17 years: | 358 |  | 18 and 19 years: | 206 |  | 20 years: | 84 |  | 21 years: | 78 |  | 22 to 24 years: | 226 |  | 25 to 29 years: | 435 |  | 30 to 34 years: | 485 |  | 35 to 39 years: | 525 |  | 40 to 44 years: | 556 |  | 45 to 49 years: | 660 |  | 50 to 54 years: | 676 |  | 55 to 59 years: | 576 |  | 60 and 61 years: | 208 |  | 62 to 64 years: | 273 |  | 65 and 66 years: | 169 |  | 67 to 69 years: | 214 |  | 70 to 74 years: | 292 |  | 75 to 79 years: | 216 |  | 80 to 84 years: | 149 |  | 85 years and over: | 101 |  | Female Population: | 8,236 |  | Under 5 years: | 447 |  | 5 to 9 years: | 549 |  | 10 to 14 years: | 536 |  | 15 to 17 years: | 342 |  | 18 and 19 years: | 187 |  | 20 years: | 90 |  | 21 years: | 57 |  | 22 to 24 years: | 223 |  | 25 to 29 years: | 461 |  | 30 to 34 years: | 496 |  | 35 to 39 years: | 479 |  | 40 to 44 years: | 540 |  | 45 to 49 years: | 610 |  | 50 to 54 years: | 664 |  | 55 to 59 years: | 598 |  | 60 and 61 years: | 203 |  | 62 to 64 years: | 272 |  | 65 and 66 years: | 193 |  | 67 to 69 years: | 265 |  | 70 to 74 years: | 363 |  | 75 to 79 years: | 245 |  | 80 to 84 years: | 212 |  | 85 years and over: | 204 |  
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  |  Average household size in De Witt County |   |  | Total: | 2 |  | Under 18 years: | 0 |  | 18 years and over: | 1 |  
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  |  Number of occupied homes in De Witt County |   |  | Total: | 6,811 |  | Family led homes: | 4,618 |  | Husband-wife family: | 3,612 |  | Other family: | 1,006 |  | Population of male led with no wife present: | 323 |  | Population female led with no husband present: | 683 |  | Population of Nonfamily homes: | 2,193 |  | Population living alone: | 1,876 |  | Population not living alone: | 317 |  
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  |  Total occupied homes in De Witt County with people under 18 years old: |   |  | Total: | 6,811 |  | Population of homes with one or more people under 18 years: | 2,047 |  | Population of family homes: | 2,015 |  | Husband-wife family: | 1,351 |  | Under 6 years only: | 278 |  | Under 6 years and 6 to 17 years: | 282 |  | 6 to 17 years only: | 791 |  | Other family: | 664 |  | Male householder, no wife present: | 213 |  | Under 6 years only: | 50 |  | Under 6 years and 6 to 17 years: | 44 |  | 6 to 17 years only: | 119 |  | Female led with no husband present: | 451 |  | Under 6 years only: | 111 |  | Under 6 years and 6 to 17 years: | 89 |  | 6 to 17 years only: | 251 |  | Nonfamily households: | 32 |  | Male led households: | 27 |  | Under 6 years only: | 8 |  | Under 6 years and 6 to 17 years: | 3 |  | 6 to 17 years only: | 16 |  | Female led householder: | 5 |  | Under 6 years only: | 3 |  | Under 6 years and 6 to 17 years: | 0 |  | 6 to 17 years only: | 2 |  | Households with no people under 18 years: | 4,764 |  | Family households: | 2,603 |  | Husband-wife family: | 2,261 |  | Other family: | 342 |  | Male led with no wife present: | 110 |  | Female led with no husband present: | 232 |  | Nonfamily households: | 2,161 |  | Male led householder: | 1,064 |  | Female led householder: | 1,097 |  
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  |  Total number led homes in De Witt County, by type |   |  | Total Home Population: | 6,811 |  | Population of Family homes: | 4,618 |  | Population of 15 to 24 year olds: | 114 |  | Population of 25 to 34 year olds: | 679 |  | Population of 35 to 44 year olds: | 914 |  | Population of 45 to 54 year olds: | 1,051 |  | Population of 55 to 59 year olds: | 489 |  | Population of 60 to 64 year olds: | 397 |  | Population of 65 to 74 year olds: | 594 |  | Population of 75 to 84 year olds: | 306 |  | Population of 85 year olds and over: | 74 |  | Population of Nonfamily Homes: | 2,193 |  | Population of 15 to 24 year olds: | 102 |  | Population of 25 to 34 year olds: | 233 |  | Population of 35 to 44 year olds: | 234 |  | Population of 45 to 54 year olds: | 422 |  | Population of 55 to 59 year olds: | 183 |  | Population of 60 to 64 year olds: | 183 |  | Population of 65 to 74 year olds: | 366 |  | Population of 75 to 84 year olds: | 291 |  | Population of 85 year olds and over: | 179 |  
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  |  households in De Witt County containing people over 60 |   |  | Total Population: | 6,811 |  | Population of homes with one or more people 60 years and over: | 2,528 |  | 1-person household: | 976 |  | 2-or-more-person household: | 1,552 |  | Family households: | 1,498 |  | Nonfamily households: | 54 |  | Population of homes with no people 60 years and over: | 4,283 |  | 1-person household: | 900 |  | 2-or-more-person household: | 3,383 |  | Family homes: | 3,120 |  | Nonfamily homes: | 263 |  
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  |  homes in De Witt County with multiple generations. |   |  | Total Population: | 6,811 |  | Home has three or more generations: | 148 |  | Home does not have three or more generations: | 6,663 |  
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  |  Unmarried population in De Witt County under 18 years old in homes |   |  | Total Population: | 3,818 |  | Unmarried partner of home lead present: | 437 |  | In family homes: | 398 |  | Population of male led and male partner homes: | 14 |  | Population of male led and female partner households: | 201 |  | Population of female led and female partner households: | 21 |  | Population of female led and male partner households: | 162 |  | In nonfamily homes: | 39 |  | Population of male led and male partner homes: | 0 |  | Population of male led and female partner homes: | 36 |  | Population of female led and female partner homes: | 2 |  | Population of female led and male partner homes: | 1 |  | No unmarried partner of home lead present: | 3,381 |  | In family homes: | 3,374 |  | Population of husband-wife family homes: | 2,593 |  | Population of male lead with no wife present, family homes: | 150 |  | Population of female lead with no husband present, family homes: | 631 |  | In nonfamily homes: | 7 |  
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  |  Population in families living in De Witt County |   |  | Total Population: | 13,306 |  | Population Under 18 years: | 3,716 |  | Population 18 years and over: | 9,590 |  
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  |  How long in De Witt County have lived in one place. |   |  | Total: | 6,811 |  | Population of Owner occupied homes: | 5,239 |  | Family home: | 3,834 |  | Nonfamily homess: | 1,405 |  | Male led home: | 682 |  | Living alone: | 557 |  | Not living alone: | 125 |  | Female led home: | 723 |  | Living alone: | 659 |  | Not living alone: | 64 |  | Population of Renter occupied homes: | 1,572 |  | Family run homes: | 784 |  | Husband-wife family: | 363 |  | Other family: | 421 |  | Male led with no wife present: | 122 |  | Female led with no husband present: | 299 |  | Nonfamily Homes: | 788 |  | Male led homes: | 409 |  | Male living alone: | 334 |  | Male not living alone: | 75 |  | Female led homes: | 379 |  | Females living alone: | 326 |  | Females not living alone: | 53 |  
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