Population 29,071 · Census ACS 2020–24
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Population and households in Collinsville
Household size in Collinsville
| Period | Collinsville | St. Louis area | Illinois | U.S. |
|---|---|---|---|---|
| 2006–10 | 2.35 | 2.52 | 2.69 | 2.68 |
| 2010–14 | 2.51 | 2.53 | 2.71 | 2.73 |
| 2015–19 | 2.39 | 2.49 | 2.66 | 2.71 |
| 2020–24 | 2.31 | 2.46 | 2.58 | 2.65 |
| Change | −0.04 | −0.06 | −0.11 | −0.03 |
Households in Collinsville are small: just 2.31 people on average, compared with 2.65 nationally. That is typical of places where many people live alone or as couples, and fewer have children at home. Household size has edged down from 2.35 in 2006–10, as it has nationally.
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 Collinsville
| Period | Collinsville | St. Louis area | Illinois | U.S. |
|---|---|---|---|---|
| 2006–10 | 38.3 | 38.5 | 37.6 | 37.7 |
| 2010–14 | 38.0 | 39.5 | 38.5 | 38.6 |
| 2015–19 | 40.7 | 40.7 | 39.6 | 39.6 |
| 2020–24 | 39.3 | 40.8 | 40.2 | 40.1 |
| Change | +1.1 | +2.3 | +2.6 | +2.3 |
Half of the people in Collinsville are younger than 39.3 and half are older, close to the national median of 40.1. The median age has climbed from 38.3 in 2006–10, mirroring the country. Residents skew youngest in the south and 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 Collinsville
| Period | Collinsville | St. Louis area | Illinois | U.S. |
|---|---|---|---|---|
| 2006–10 | 12.9% | 11.7% | 11.7% | 12.3% |
| 2010–14 | 13.9% | 11.5% | 11.7% | 12.3% |
| 2015–19 | 10.4% | 11.0% | 11.1% | 11.6% |
| 2020–24 | 12.7% | 11.1% | 11.3% | 11.6% |
| Change | −0.2 pts | −0.6 pts | −0.4 pts | −0.6 pts |
Single parents head about one in eight households in Collinsville (12.7%), a bit above the national share of 11.6%. Collinsville has a higher share of single-parent households than most 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 Collinsville
Renters in Collinsville
| Period | Collinsville | St. Louis area | Illinois | U.S. |
|---|---|---|---|---|
| 2006–10 | 35.0% | 28.3% | 30.8% | 33.3% |
| 2010–14 | 36.9% | 30.1% | 33.1% | 35.6% |
| 2015–19 | 32.5% | 31.1% | 33.9% | 36.0% |
| 2020–24 | 31.1% | 29.6% | 32.9% | 34.8% |
| Change | −3.9 pts | +1.4 pts | +2.1 pts | +1.5 pts |
Most households in Collinsville own their homes; 31.1% rent, a little below the national share of 34.8%. Just over four in ten owners (41.3%) have paid off their mortgages, about the same as nationally. The renter share has fallen 3.9 points since 2006–10, even as the national share rose.
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 Collinsville
| Period | Collinsville | St. Louis area | Illinois | U.S. |
|---|---|---|---|---|
| 2006–10 | 8.3% | 9.6% | 10.0% | 11.4% |
| 2010–14 | 9.7% | 10.1% | 10.1% | 11.4% |
| 2015–19 | 9.7% | 10.1% | 9.8% | 11.1% |
| 2020–24 | 8.0% | 8.8% | 8.1% | 9.6% |
| Change | −0.2 pts | −0.8 pts | −1.9 pts | −1.8 pts |
Fewer homes sit empty in Collinsville than nationally: 8.0%, against 9.6% for the U.S. The St. Louis area as a whole looks much the same.
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 Collinsville
| Period | Collinsville | St. Louis area | Illinois | U.S. |
|---|---|---|---|---|
| 2006–10 | 1968 | 1972 | 1966 | 1974 |
| 2010–14 | 1968 | 1972 | 1967 | 1975 |
| 2015–19 | 1970 | 1973 | 1968 | 1977 |
| 2020–24 | 1970 | 1975 | 1970 | 1980 |
| Change | +2 | +3 | +4 | +6 |
The housing in Collinsville is old by national standards: the median home dates to 1970, against 1980 for the U.S., so buyers will find more older houses, some of them due for updates. Newer construction is concentrated in the north, while the south has the oldest housing.
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 Collinsville
| Period | Collinsville | St. Louis area | Illinois | U.S. |
|---|---|---|---|---|
| 2006–10 | $722 | $825 | $953 | $965 |
| 2010–14 | $803 | $920 | $1,028 | $1,040 |
| 2015–19 | $939 | $1,010 | $1,165 | $1,213 |
| 2020–24 | $1,044 | $1,239 | $1,428 | $1,571 |
| Change | +$323 | +$414 | +$475 | +$606 |
Rent in Collinsville runs $1,044 a month at the median, utilities included, well below the U.S. median of $1,571. Rents are up $323 a month from 2006–10, a 45% rise, a slower climb than the nation's. Rent takes 28.2% of the typical renter's income, just under 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 Collinsville
Bachelor's degrees in Collinsville
| Period | Collinsville | St. Louis area | Illinois | U.S. |
|---|---|---|---|---|
| 2006–10 | 23.2% | 30.3% | 31.2% | 28.4% |
| 2010–14 | 25.1% | 32.1% | 32.4% | 29.6% |
| 2015–19 | 25.7% | 34.9% | 34.7% | 32.1% |
| 2020–24 | 30.6% | 38.5% | 37.7% | 35.6% |
| Change | +7.4 pts | +8.3 pts | +6.5 pts | +7.2 pts |
About three in ten adults 25 and older in Collinsville (30.6%) have a bachelor's degree or higher, a little below the national share of 35.6%. The share with a degree has risen 7.4 points since 2006–10, in line with the national trend. College graduates are most concentrated in the northeast and least in the southwest.
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 Collinsville
| Period | Collinsville | St. Louis area | Illinois | U.S. |
|---|---|---|---|---|
| 2006–10 | 88.9% | 88.8% | 86.3% | 84.9% |
| 2010–14 | 91.4% | 90.5% | 87.5% | 86.1% |
| 2015–19 | 90.5% | 92.1% | 89.1% | 87.7% |
| 2020–24 | 92.9% | 93.6% | 90.3% | 89.3% |
| Change | +4.0 pts | +4.8 pts | +4.0 pts | +4.3 pts |
Just over nine in ten adults in Collinsville have finished high school (92.9%), above the national rate of 89.3%. That is in line with the rest of the St. Louis area. Since 2006–10, the share with a diploma has risen 4.0 points, mirroring the country.
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 Collinsville
| Period | Collinsville | St. Louis area | Illinois | U.S. |
|---|---|---|---|---|
| 2006–10 | 6.9% | 7.7% | 8.7% | 8.1% |
| 2010–14 | 9.2% | 8.8% | 10.2% | 9.4% |
| 2015–19 | 6.6% | 4.9% | 6.1% | 5.6% |
| 2020–24 | 4.1% | 4.3% | 6.0% | 5.4% |
| Change | −2.8 pts | −3.4 pts | −2.7 pts | −2.7 pts |
Jobs have been a little easier to find in Collinsville than nationally: unemployment was 4.1%, against 5.4%. Unemployment is down 2.8 points from 2006–10, as it has nationally. 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).
Collinsville 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| Collinsville | 2.31 | 39.3 | 12.7% | 31.1% | 8.0% | 1970 | $1,044 | 30.6% | 92.9% | 4.1% |
| Meadow Heights | 2.49 | 48.9 | 8.9% | 10.4% | 8.6% | 1993 | $1,300 | 37.8% | 92.9% | 2.1% |
| State Park Place | 1.93 | 42.2 | 17.9% | 84.4% | 2.6% | 1977 | $910 | 19.4% | 76.4% | 3.6% |
| Lumaghi Heights | 2.71 | 49.1 | 5.3% | 5.1% | 5.3% | 1993 | $1,319 | 47.8% | 96.0% | 1.5% |
| Caseyville | 2.85 | 44.0 | 6.6% | 19.9% | 10.7% | 1981 | $1,409 | 33.0% | 91.6% | 5.5% |
| Maryville | 2.36 | 46.5 | 5.0% | 20.7% | 3.6% | 1991 | $1,086 | 42.9% | 97.1% | 4.0% |
| Pontoon Beach | 2.45 | 40.0 | 23.4% | 25.7% | 9.4% | 1981 | $1,121 | 17.0% | 92.3% | 9.9% |
| Glen Carbon | 2.41 | 41.3 | 7.4% | 28.7% | 3.6% | 1989 | $1,112 | 53.0% | 97.2% | 3.7% |
| Fairview Heights | 2.40 | 39.7 | 13.4% | 32.2% | 12.2% | 1975 | $1,224 | 34.5% | 92.7% | 5.8% |
| Troy | 2.70 | 38.6 | 9.9% | 17.8% | 8.5% | 1991 | $1,194 | 44.7% | 97.6% | 3.9% |
| Fairmont City | 2.81 | 38.7 | 10.5% | 21.5% | 15.1% | 1953 | $1,163 | 12.7% | 69.9% | 1.8% |
All figures 2020–24.
Cities with similar populations: Miami Lakes, FL · Selma, CA · Schererville, IN · Scaggsville, MD · Salem, NH · Riverhead, NY · Poplar Bluff, MO · Okemos, MI · Nutley, NJ · North Royalton, OH
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 Collinsville. 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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