Tazewell County, IL Demographics

Population 130,290 · Census ACS 2020–24

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Median age by neighborhoodHistory and comparison ↓︎
Tazewell County, IL map of median age by neighborhood
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Population and households in Tazewell County

Household size in Tazewell County

Household size, people per household
PeriodTazewell CountyIllinoisU.S.
2006–102.462.692.68
2010–142.472.712.73
2015–192.422.662.71
2020–242.402.582.65
Change−0.06−0.11−0.03
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Tazewell County is a place of small households, averaging 2.40 people against 2.65 for the U.S., which points to many singles, couples and roommates and relatively few children. Household size has edged down from 2.46 in 2006–10, mirroring the country. The biggest households, usually families with children, are concentrated in the northeast.

Household size: the average number of people living in each occupied home. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25010).

Median age in Tazewell County

Median age, years
PeriodTazewell CountyIllinoisU.S.
2006–1039.937.637.7
2010–1440.838.538.6
2015–1941.939.639.6
2020–2442.140.240.1
Change+2.2+2.6+2.3
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Tazewell County skews a little older than the country: its median age is 42.1, against 40.1 nationally. Since 2006–10, the median age has climbed from 39.9, as it has nationally.

Median age: the age that splits residents into two equal halves. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B01002).

Single-parent households in Tazewell County

Single-parent households, % of households
PeriodTazewell CountyIllinoisU.S.
2006–109.1%11.7%12.3%
2010–149.1%11.7%12.3%
2015–199.3%11.1%11.6%
2020–248.9%11.3%11.6%
Change−0.3 pts−0.4 pts−0.6 pts
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Single-parent households are less common in Tazewell County than nationally: 8.9%, against 11.6%. Tazewell County has a lower share of single-parent households than most Illinois counties.

Single-parent households: households where one adult with no spouse present lives with children under 18. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B11003).

Housing in Tazewell County

Renters in Tazewell County

Renters, % of occupied homes
PeriodTazewell CountyIllinoisU.S.
2006–1022.1%30.8%33.3%
2010–1423.8%33.1%35.6%
2015–1923.6%33.9%36.0%
2020–2421.6%32.9%34.8%
Change−0.4 pts+2.1 pts+1.5 pts
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Tazewell County is largely a place of homeowners: only 21.6% of households rent, far below the national share of 34.8%. Owner-heavy areas like this tend to see less turnover. Among homeowners, 39.8% have no mortgage at all, about the same as nationally. Rentals cluster in the west; owners are most common in the southeast.

Renters: occupied homes that are rented rather than owned. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25003).

Vacant homes in Tazewell County

Vacant homes, % of all homes
PeriodTazewell CountyIllinoisU.S.
2006–106.7%10.0%11.4%
2010–146.9%10.1%11.4%
2015–198.2%9.8%11.1%
2020–248.6%8.1%9.6%
Change+1.9 pts−1.9 pts−1.8 pts
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About as many homes sit empty in Tazewell County as nationally: 8.6%, against 9.6%. Vacancy has risen 1.9 points since 2006–10, even as the national rate fell.

Vacant homes: homes with no one living in them, including vacation homes and homes for sale or rent. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25002).

Age of homes in Tazewell County

Age of homes, median year built
PeriodTazewell CountyIllinoisU.S.
2006–10196619661974
2010–14196719671975
2015–19196819681977
2020–24196819701980
Change+2+4+6
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Tazewell County is a place of older homes: half were built before 1968, while the national median is 1980. That means established neighborhoods, and more houses that may need updating. The newest homes are mostly in the northeast, the oldest in the west.

Age of homes: the year that splits the housing stock into older and newer halves. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25035).

Rent in Tazewell County

Rent, per month
PeriodTazewell CountyIllinoisU.S.
2006–10$689$953$965
2010–14$731$1,028$1,040
2015–19$846$1,165$1,213
2020–24$1,007$1,428$1,571
Change+$318+$475+$606
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A typical rental in Tazewell County costs $1,007 a month with utilities, well below the national median of $1,571. Rents are up $318 a month from 2006–10, a 46% rise, a slower climb than the nation's. The typical renter here spends 29.0% of household income on rent, just under the 30% mark often used to define affordable rent, and a smaller share than renters pay nationally. Renters on a budget will find the lowest rents in the west; the highest are in the northeast.

Rent: monthly rent plus the utilities renters pay themselves. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25064).

Education in Tazewell County

Bachelor's degrees in Tazewell County

Bachelor's degrees, % of adults 25+
PeriodTazewell CountyIllinoisU.S.
2006–1024.3%31.2%28.4%
2010–1425.6%32.4%29.6%
2015–1926.8%34.7%32.1%
2020–2429.0%37.7%35.6%
Change+4.7 pts+6.5 pts+7.2 pts
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Nearly three in ten adults 25 and older in Tazewell County (29.0%) have a bachelor's degree or higher, below the national share of 35.6%. The share with a degree has risen 4.7 points since 2006–10, as it has nationally. College graduates are most concentrated in the east and least in the west.

Bachelor's degrees: adults 25 and older with a bachelor's degree or higher. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B15003).

High school graduates in Tazewell County

High school graduates, % of adults 25+
PeriodTazewell CountyIllinoisU.S.
2006–1090.7%86.3%84.9%
2010–1492.7%87.5%86.1%
2015–1992.8%89.1%87.7%
2020–2494.2%90.3%89.3%
Change+3.5 pts+4.0 pts+4.3 pts
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High school completion in Tazewell County is above the national rate: 94.2% of adults have a diploma or equivalent, against 89.3%. The share with a diploma is up 3.5 points from 2006–10, as it has nationally. Tazewell County has a higher share of high school graduates than the great majority of Illinois counties.

High school graduates: adults 25 and older with a high school diploma, GED or more. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B15003).

Jobs in Tazewell County

Unemployment, % of the labor force
PeriodTazewell CountyIllinoisU.S.
2006–106.1%8.7%8.1%
2010–146.5%10.2%9.4%
2015–194.5%6.1%5.6%
2020–243.6%6.0%5.4%
Change−2.5 pts−2.7 pts−2.7 pts
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Unemployment in Tazewell County runs below the national rate: 3.6% of the labor force was out of work and looking, against 5.4% nationally. Unemployment has fallen 2.5 points since 2006–10, in line with the national trend. Each figure pools five years of surveys (2020–24), so it describes that whole stretch rather than today's job market.

Unemployment: people looking for work as a share of everyone working or looking. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B23025).

Tazewell County compared with nearby counties

CountyHousehold sizeMedian ageSingle parentsRentersVacant homesMedian year builtMedian rentBachelor's degreeHigh school diplomaUnemployment
Tazewell County2.4042.18.9%21.6%8.6%1968$1,00729.0%94.2%3.6%
Peoria County2.3439.712.4%33.0%9.0%1969$1,05936.3%93.4%6.0%
Woodford County2.5941.47.4%14.3%7.7%1973$1,02436.9%95.1%3.6%
Fulton County2.3344.110.5%23.4%13.0%1959$85418.6%91.2%6.3%
Ford County2.2641.413.8%27.7%6.7%1954$92319.3%91.6%5.2%
Iroquois County2.3443.810.5%20.0%10.7%1957$85618.0%88.3%4.3%
Lee County2.2543.713.9%23.7%9.7%1962$83421.3%92.5%4.2%
Benton County2.5239.311.2%20.2%8.8%1955$77819.9%88.5%4.1%
Van Buren County2.5445.98.9%18.4%17.5%1969$65519.3%85.1%4.5%
White County2.4442.610.8%19.0%16.4%1965$87919.9%89.9%3.3%
Davis County2.8637.38.1%16.7%10.1%1971$93916.9%81.4%3.2%

All figures 2020–24.

Counties with similar populations: Berkeley County, WV · Tangipahoa Parish, LA · Fayette County, PA · Faulkner County, AR · Cochise County, AZ · Clarke County, GA · Chautauqua County, NY · Cambria County, PA · Calhoun County, MI · Caguas Municipio, PR

About these numbers

Every figure on this page is a BestNeighborhood calculation from the Census Bureau's American Community Survey (ACS), built up from the Census block groups that make up Tazewell County. Each ACS 5-year release pools five years of responses; this page shows the last 15 releases, 2006–10 through 2020–24. Neighboring releases share four of their five years, so they move gradually and small changes between them are within the survey's margin of error; in small places the lines can jump from one release to the next for the same reason. The maps show the same measures for each neighborhood, ranked against the whole country.

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