Jersey County, Illinois demographics
Population: 21,533
Median age: 43.0
Median household income: 71,655
Demographics, population, home values, social and economic characteristics of Jersey County, Illinois.
Population
| 2021 | 21,533 |
| 2020 | 21,776 |
| 2019 | 21,937 |
| 2018 | 22,069 |
| 2017 | 22,215 |
| 2016 | 22,441 |
| 2015 | 22,625 |
| 2014 | 22,751 |
| 2013 | 22,850 |
| 2012 | 22,939 |
| 2011 | 22,972 |
| 2010 | 22,932 |
| 2009 | 22,412 |
Jersey County, IL cities
Brighton village - 2,416
Elsah village - 658
Fidelity village - 123
Fieldon village - 196
Grafton city - 636
Jerseyville city - 7,674
Medora village - 277
Otterville town - 207
Census data for Jersey County, Illinois
Demographic and housing estimates in Jersey County, Illinois
| Total population | 21,533 |
| Male | 10,627 |
| Female | 10,906 |
| Total population | 21,533 |
| Under 5 years | 993 |
| 5 to 9 years | 944 |
| 10 to 14 years | 1,558 |
| 15 to 19 years | 1,520 |
| 20 to 24 years | 1,516 |
| 25 to 34 years | 2,264 |
| 35 to 44 years | 2,439 |
| 45 to 54 years | 2,786 |
| 55 to 59 years | 1,859 |
| 60 to 64 years | 1,490 |
| 65 to 74 years | 2,366 |
| 75 to 84 years | 1,283 |
| 85 years and over | 515 |
| Median age (years) | 43.0 |
| Under 18 years | 4,390 |
| 16 years and over | 17,760 |
| 18 years and over | 17,143 |
| 21 years and over | 16,171 |
| 62 years and over | 5,025 |
| 65 years and over | 4,164 |
| Total population | 21,533 |
| One race | 20,935 |
| White | 20,656 |
| Black or African American | 91 |
| American Indian and Alaska Native | 0 |
| Asian | 103 |
| Native Hawaiian and Other Pacific Islander | 40 |
| Some other race | 45 |
| Two or more races | 598 |
| Citizen, VOTING AGE 18 and over population | 16,962 |
| Male Citizen, VOTING AGE 18 and over population | 8,234 |
| Female Citizen, VOTING AGE 18 and over population | 8,728 |
Social characteristics in Jersey County, Illinois
| Total households | 7,818 |
| Family households (families) | 4,223 |
| Married-couple family | 515 |
| Male householder, no wife present, family | 1,478 |
| Female householder, no husband present, family | 1,189 |
| Nonfamily households | 1,602 |
| Average household size | 2,762 |
| Average family size | 2.63 |
Economic characteristics in Jersey County, Illinois
| Total households | 7,818 |
| Less than $10,000 | 408 |
| $10,000 to $14,999 | 187 |
| $15,000 to $24,999 | 772 |
| $25,000 to $34,999 | 541 |
| $35,000 to $49,999 | 854 |
| $50,000 to $74,999 | 1,341 |
| $75,000 to $99,999 | 1,046 |
| $100,000 to $149,999 | 1,373 |
| $150,000 to $199,999 | 670 |
| $200,000 or more | 626 |
| Median household income (dollars) | 71,655 |
Housing characteristics in Jersey County, Illinois
| Total housing units | 9,817 |
| Occupied housing units | 7,818 |
| Vacant housing units | 1,999 |
| Total housing units | 9,817 |
| 1-unit, detached | 8,510 |
| 1-unit, attached | 53 |
| 2 units | 221 |
| 3 or 4 units | 151 |
| 5 to 9 units | 144 |
| 10 to 19 units | 29 |
| 20 or more units | 87 |
| Mobile home | 622 |
| Boat, RV, van, etc. | 0 |
| Total housing units | 9,817 |
| Built 2014 or later | 22 |
| Built 2010 to 2013 | 444 |
| Built 2000 to 2009 | 1,528 |
| Built 1990 to 1999 | 1,220 |
| Built 1980 to 1989 | 1,050 |
| Built 1970 to 1979 | 1,339 |
| Built 1960 to 1969 | 924 |
| Built 1950 to 1959 | 921 |
| Built 1940 to 1949 | 464 |
| Built 1939 or earlier | 1,905 |
| Total housing units | 9,817 |
| 1 room | 174 |
| 2 rooms | 203 |
| 3 rooms | 346 |
| 4 rooms | 1,583 |
| 5 rooms | 2,282 |
| 6 rooms | 1,921 |
| 7 rooms | 1,441 |
| 8 rooms | 674 |
| 9 rooms or more | 1,193 |
| Median rooms | 5.7 |
| Total housing units | 9,817 |
| No bedroom | 174 |
| 1 bedroom | 645 |
| 2 bedrooms | 2,754 |
| 3 bedrooms | 4,357 |
| 4 bedrooms | 1,540 |
| 5 or more bedrooms | 347 |
| Occupied housing units | 7,818 |
| Owner-occupied | 6,334 |
| Renter-occupied | 1,484 |
| Average household size of owner-occupied unit | 2.78 |
| Average household size of renter-occupied unit | 1.99 |
| Occupied housing units | 7,818 |
| Moved in 2017 or later | 505 |
| Moved in 2015 to 2016 | 1,770 |
| Moved in 2010 to 2014 | 1,105 |
| Moved in 2000 to 2009 | 2,031 |
| Moved in 1990 to 1999 | 1,193 |
| Moved in 1989 and earlier | 1,214 |
| Owner-occupied units | 6,334 |
| Less than $50,000 | 410 |
| $50,000 to $99,999 | 1,327 |
| $100,000 to $149,999 | 1,521 |
| $150,000 to $199,999 | 928 |
| $200,000 to $299,999 | 1,321 |
| $300,000 to $499,999 | 684 |
| $500,000 to $999,999 | 114 |
| $1,000,000 or more | 29 |
| Median (dollars) | 146,900 |
| Owner-occupied units | 6,334 |
| Housing units with a mortgage | 3,699 |
| Housing units without a mortgage | 2,635 |
| Occupied units paying rent | 1,340 |
| Less than $500 | 213 |
| $500 to $999 | 989 |
| $1,000 to $1,499 | 121 |
| $1,500 to $1,999 | 15 |
| $2,000 to $2,499 | 0 |
| $2,500 to $2,999 | 0 |
| $3,000 or more | 2 |
| Median (dollars) | 718 |
| No rent paid | 144 |
Demographic data for Jersey County, IL and each city in the county. Lists of cities by population, wealth and poverty in Jersey County, IL.
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