Population 125,489 · Census ACS 2020–24
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Population and households in Joliet
Household size in Joliet
| Period | Joliet | Chicago area | Illinois | U.S. |
|---|---|---|---|---|
| 2006–10 | 2.97 | 2.79 | 2.69 | 2.68 |
| 2010–14 | 3.03 | 2.82 | 2.71 | 2.73 |
| 2015–19 | 2.95 | 2.75 | 2.66 | 2.71 |
| 2020–24 | 2.88 | 2.66 | 2.58 | 2.65 |
| Change | −0.09 | −0.12 | −0.11 | −0.03 |
The typical household in Joliet holds 2.88 people, more than the U.S. average of 2.65. Household size has dropped from 2.97 in 2006–10, mirroring the country. Households are largest in the east and smallest in the center.
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 Joliet
| Period | Joliet | Chicago area | Illinois | U.S. |
|---|---|---|---|---|
| 2006–10 | 33.7 | 36.8 | 37.6 | 37.7 |
| 2010–14 | 34.6 | 37.8 | 38.5 | 38.6 |
| 2015–19 | 35.9 | 38.9 | 39.6 | 39.6 |
| 2020–24 | 37.0 | 39.7 | 40.2 | 40.1 |
| Change | +3.3 | +3.0 | +2.6 | +2.3 |
Joliet is younger than the country as a whole: its median age is 37.0, against 40.1 nationally. The median age has climbed from 33.7 in 2006–10, mirroring the country. The youngest areas are in the east, the oldest in the west.
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 Joliet
| Period | Joliet | Chicago area | Illinois | U.S. |
|---|---|---|---|---|
| 2006–10 | 15.8% | 12.0% | 11.7% | 12.3% |
| 2010–14 | 15.5% | 12.0% | 11.7% | 12.3% |
| 2015–19 | 14.7% | 11.2% | 11.1% | 11.6% |
| 2020–24 | 15.0% | 11.5% | 11.3% | 11.6% |
| Change | −0.8 pts | −0.5 pts | −0.4 pts | −0.6 pts |
Single parents head just over one in seven households in Joliet (15.0%), well above the national share of 11.6%. The single-parent share has edged down 0.8 points since 2006–10, as it has nationally. Joliet has a higher share of single-parent households than at least four in five Illinois cities.
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 Joliet
Renters in Joliet
| Period | Joliet | Chicago area | Illinois | U.S. |
|---|---|---|---|---|
| 2006–10 | 31.4% | 32.1% | 30.8% | 33.3% |
| 2010–14 | 34.8% | 34.8% | 33.1% | 35.6% |
| 2015–19 | 35.0% | 35.5% | 33.9% | 36.0% |
| 2020–24 | 31.2% | 34.5% | 32.9% | 34.8% |
| Change | −0.3 pts | +2.3 pts | +2.1 pts | +1.5 pts |
Just over three in ten households in Joliet rent their homes (31.2%), a little below the national share of 34.8%; the rest own. Among homeowners, 37.4% have no mortgage at all, about the same as nationally. Rentals cluster in the center; owners are most common in the northwest.
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 Joliet
| Period | Joliet | Chicago area | Illinois | U.S. |
|---|---|---|---|---|
| 2006–10 | 9.4% | 9.8% | 10.0% | 11.4% |
| 2010–14 | 9.0% | 9.8% | 10.1% | 11.4% |
| 2015–19 | 9.7% | 8.9% | 9.8% | 11.1% |
| 2020–24 | 7.0% | 7.2% | 8.1% | 9.6% |
| Change | −2.4 pts | −2.6 pts | −1.9 pts | −1.8 pts |
Fewer homes sit empty in Joliet than nationally: 7.0%, against 9.6% for the U.S. The picture is much the same across the Chicago area. Vacancy has fallen 2.4 points since 2006–10, as it has nationally.
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 Joliet
| Period | Joliet | Chicago area | Illinois | U.S. |
|---|---|---|---|---|
| 2006–10 | 1966 | 1966 | 1966 | 1974 |
| 2010–14 | 1966 | 1967 | 1967 | 1975 |
| 2015–19 | 1966 | 1967 | 1968 | 1977 |
| 2020–24 | 1971 | 1970 | 1970 | 1980 |
| Change | +4 | +4 | +4 | +6 |
Joliet is a place of older homes: half were built before 1971, while the national median is 1980. That means established neighborhoods, and more houses that may need updating. The median year built has moved up from 1966 in 2006–10, a sign of steady new building. The newest homes are mostly in the northwest, the oldest in the center.
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 Joliet
| Period | Joliet | Chicago area | Illinois | U.S. |
|---|---|---|---|---|
| 2006–10 | $1,047 | $1,060 | $953 | $965 |
| 2010–14 | $1,129 | $1,142 | $1,028 | $1,040 |
| 2015–19 | $1,210 | $1,306 | $1,165 | $1,213 |
| 2020–24 | $1,443 | $1,602 | $1,428 | $1,571 |
| Change | +$396 | +$542 | +$475 | +$606 |
Rent in Joliet runs $1,443 a month at the median, utilities included, below the U.S. median of $1,571. Rents are up $396 a month from 2006–10, a 38% rise, a slower climb than the nation's. Rent takes 32.4% of the typical renter's income, just over the 30% mark often used to define affordable rent.
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 Joliet
Bachelor's degrees in Joliet
| Period | Joliet | Chicago area | Illinois | U.S. |
|---|---|---|---|---|
| 2006–10 | 17.7% | 33.9% | 31.2% | 28.4% |
| 2010–14 | 18.7% | 35.2% | 32.4% | 29.6% |
| 2015–19 | 18.4% | 37.9% | 34.7% | 32.1% |
| 2020–24 | 21.7% | 40.9% | 37.7% | 35.6% |
| Change | +4.0 pts | +7.0 pts | +6.5 pts | +7.2 pts |
Fewer adults in Joliet have a four-year degree than in the country as a whole: 21.7%, against 35.6% nationally. Since 2006–10, the share with a degree has risen 4.0 points, mirroring the country. College graduates are most concentrated in the northwest and least in the east.
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 Joliet
| Period | Joliet | Chicago area | Illinois | U.S. |
|---|---|---|---|---|
| 2006–10 | 81.6% | 85.6% | 86.3% | 84.9% |
| 2010–14 | 81.3% | 86.7% | 87.5% | 86.1% |
| 2015–19 | 80.4% | 88.4% | 89.1% | 87.7% |
| 2020–24 | 82.0% | 89.5% | 90.3% | 89.3% |
| Change | +0.4 pts | +3.9 pts | +4.0 pts | +4.3 pts |
Just over one in six adults in Joliet never finished high school, well above the national share: only 82.0% have a diploma or equivalent, against 89.3% nationally. Of the 388 Illinois cities with 5,000+ people, only 23 have a lower share of high school graduates.
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 Joliet
| Period | Joliet | Chicago area | Illinois | U.S. |
|---|---|---|---|---|
| 2006–10 | 11.1% | 9.1% | 8.7% | 8.1% |
| 2010–14 | 12.3% | 10.8% | 10.2% | 9.4% |
| 2015–19 | 6.6% | 6.3% | 6.1% | 5.6% |
| 2020–24 | 6.2% | 6.3% | 6.0% | 5.4% |
| Change | −4.9 pts | −2.8 pts | −2.7 pts | −2.7 pts |
Unemployment runs a little high in Joliet: 6.2% of the labor force was out of work and looking, against 5.4% nationally. Unemployment has fallen 4.9 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).
Joliet compared with nearby cities
| City | Household size | Median age | Single parents | Renters | Vacant homes | Median year built | Median rent | Bachelor's degree | High school diploma | Unemployment |
|---|---|---|---|---|---|---|---|---|---|---|
| Joliet | 2.88 | 37.0 | 15.0% | 31.2% | 7.0% | 1971 | $1,443 | 21.7% | 82.0% | 6.2% |
| Rockdale | 3.02 | 28.9 | 30.8% | 48.5% | 7.1% | 1950 | $1,268 | 13.1% | 82.8% | 8.4% |
| Crest Hill | 2.30 | 41.4 | 12.5% | 29.2% | 2.4% | 1986 | $1,753 | 24.6% | 88.1% | 4.7% |
| Shorewood | 2.82 | 43.5 | 8.1% | 5.3% | 5.4% | 1996 | $1,829 | 41.2% | 95.9% | 6.0% |
| Lockport | 2.75 | 40.0 | 9.0% | 15.5% | 5.2% | 1983 | $1,837 | 39.8% | 94.6% | 4.9% |
| Romeoville | 3.15 | 38.5 | 13.2% | 18.7% | 5.4% | 1991 | $1,859 | 29.0% | 86.3% | 5.4% |
| Plainfield | 3.24 | 38.2 | 10.0% | 10.2% | 2.2% | 2000 | $2,302 | 45.0% | 94.9% | 4.6% |
| Elwood | 2.53 | 43.4 | 6.0% | 14.7% | 6.2% | 1988 | $1,497 | 20.1% | 93.7% | 2.9% |
| New Lenox | 2.97 | 39.7 | 5.7% | 7.8% | 5.3% | 1993 | $1,621 | 42.9% | 97.2% | 2.4% |
| Channahon | 3.03 | 37.3 | 9.4% | 10.5% | 4.9% | 1992 | $1,355 | 26.9% | 95.9% | 6.6% |
| Minooka | 3.01 | 34.2 | 9.4% | 14.1% | 3.1% | 1999 | $1,605 | 28.1% | 93.6% | 4.6% |
All figures 2020–24.
Cities with similar populations: Provo, UT · Pleasanton, CA · Perris, CA · Porterville, CA · Pittsburg, CA · Phoenix, AZ · Plymouth, MN · Plainfield, IL · Plano, TX · Philadelphia, PA
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 Joliet. 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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