Population 35,458 · Census ACS 2020–24
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Population and households in Mchenry
Household size in Mchenry
| Period | Mchenry | Chicago area | Illinois | U.S. |
|---|---|---|---|---|
| 2006–10 | 2.66 | 2.79 | 2.69 | 2.68 |
| 2010–14 | 2.69 | 2.82 | 2.71 | 2.73 |
| 2015–19 | 2.62 | 2.75 | 2.66 | 2.71 |
| 2020–24 | 2.40 | 2.66 | 2.58 | 2.65 |
| Change | −0.27 | −0.12 | −0.11 | −0.03 |
Households in Mchenry are small: just 2.40 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. Since 2006–10, household size has dropped from 2.66, a much bigger shift than 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 Mchenry
| Period | Mchenry | Chicago area | Illinois | U.S. |
|---|---|---|---|---|
| 2006–10 | 37.5 | 36.8 | 37.6 | 37.7 |
| 2010–14 | 39.8 | 37.8 | 38.5 | 38.6 |
| 2015–19 | 40.5 | 38.9 | 39.6 | 39.6 |
| 2020–24 | 44.2 | 39.7 | 40.2 | 40.1 |
| Change | +6.6 | +3.0 | +2.6 | +2.3 |
Mchenry skews older: half of its residents are older than 44.2, well above the national median of 40.1. That usually means more empty nesters and retirees, and fewer young families. Since 2006–10, the median age has climbed from 37.5, mirroring the country.
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 Mchenry
| Period | Mchenry | Chicago area | Illinois | U.S. |
|---|---|---|---|---|
| 2006–10 | 8.7% | 12.0% | 11.7% | 12.3% |
| 2010–14 | 9.1% | 12.0% | 11.7% | 12.3% |
| 2015–19 | 8.4% | 11.2% | 11.1% | 11.6% |
| 2020–24 | 8.3% | 11.5% | 11.3% | 11.6% |
| Change | −0.3 pts | −0.5 pts | −0.4 pts | −0.6 pts |
Single parents head only 8.3% of households in Mchenry, well below the national share of 11.6%. The single-parent share has barely moved since 2006–10, while the national share fell.
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 Mchenry
Renters in Mchenry
| Period | Mchenry | Chicago area | Illinois | U.S. |
|---|---|---|---|---|
| 2006–10 | 20.6% | 32.1% | 30.8% | 33.3% |
| 2010–14 | 23.9% | 34.8% | 33.1% | 35.6% |
| 2015–19 | 26.2% | 35.5% | 33.9% | 36.0% |
| 2020–24 | 21.8% | 34.5% | 32.9% | 34.8% |
| Change | +1.2 pts | +2.3 pts | +2.1 pts | +1.5 pts |
Only 21.8% of households in Mchenry rent their homes, far below the national share of 34.8%, so most residents are owners who tend to stay put. Among homeowners, 32.1% have no mortgage at all, below the national share of 39.8%. Rentals cluster in the center; owners are most common in the northeast. The renter share is up 1.2 points from 2006–10, in line with the national trend.
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 Mchenry
| Period | Mchenry | Chicago area | Illinois | U.S. |
|---|---|---|---|---|
| 2006–10 | 7.2% | 9.8% | 10.0% | 11.4% |
| 2010–14 | 8.0% | 9.8% | 10.1% | 11.4% |
| 2015–19 | 5.7% | 8.9% | 9.8% | 11.1% |
| 2020–24 | 3.2% | 7.2% | 8.1% | 9.6% |
| Change | −4.0 pts | −2.6 pts | −1.9 pts | −1.8 pts |
Empty homes are scarce in Mchenry: just 3.2% sit vacant, compared with 9.6% nationally, a sign of a tight housing market. Since 2006–10, vacancy has fallen 4.0 points, in line with the national trend. Of the 388 Illinois cities with 5,000+ people, only 22 have a lower vacancy rate.
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 Mchenry
| Period | Mchenry | Chicago area | Illinois | U.S. |
|---|---|---|---|---|
| 2006–10 | 1982 | 1966 | 1966 | 1974 |
| 2010–14 | 1982 | 1967 | 1967 | 1975 |
| 2015–19 | 1985 | 1967 | 1968 | 1977 |
| 2020–24 | 1984 | 1970 | 1970 | 1980 |
| Change | +2 | +4 | +4 | +6 |
Homes in Mchenry are a bit newer than the national norm: the median home was built in 1984, versus 1980 across the U.S. Newer construction is concentrated in the southwest, while the northwest 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 Mchenry
| Period | Mchenry | Chicago area | Illinois | U.S. |
|---|---|---|---|---|
| 2006–10 | $1,136 | $1,060 | $953 | $965 |
| 2010–14 | $1,187 | $1,142 | $1,028 | $1,040 |
| 2015–19 | $1,314 | $1,306 | $1,165 | $1,213 |
| 2020–24 | $1,554 | $1,602 | $1,428 | $1,571 |
| Change | +$419 | +$542 | +$475 | +$606 |
Rent in Mchenry runs $1,554 a month at the median, utilities included, close to the U.S. median of $1,571. Rent has climbed $419 a month since 2006–10, up 37%, a slower climb than the nation's. The typical renter here spends 33.1% of household income on rent, well over the 30% mark often used to define affordable rent, so many renters here are stretched. The priciest rents are in the west; the most affordable are in the north.
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 Mchenry
Bachelor's degrees in Mchenry
| Period | Mchenry | Chicago area | Illinois | U.S. |
|---|---|---|---|---|
| 2006–10 | 25.4% | 33.9% | 31.2% | 28.4% |
| 2010–14 | 24.9% | 35.2% | 32.4% | 29.6% |
| 2015–19 | 28.1% | 37.9% | 34.7% | 32.1% |
| 2020–24 | 27.3% | 40.9% | 37.7% | 35.6% |
| Change | +1.8 pts | +7.0 pts | +6.5 pts | +7.2 pts |
College degrees are less common in Mchenry than nationally: 27.3% of adults 25 and older have a bachelor's or higher, against 35.6%. Since 2006–10, the share with a degree has risen 1.8 points, a smaller shift than nationally. College graduates are most concentrated in the east and least in the northwest.
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 Mchenry
| Period | Mchenry | Chicago area | Illinois | U.S. |
|---|---|---|---|---|
| 2006–10 | 90.0% | 85.6% | 86.3% | 84.9% |
| 2010–14 | 92.1% | 86.7% | 87.5% | 86.1% |
| 2015–19 | 91.9% | 88.4% | 89.1% | 87.7% |
| 2020–24 | 92.3% | 89.5% | 90.3% | 89.3% |
| Change | +2.2 pts | +3.9 pts | +4.0 pts | +4.3 pts |
High school completion in Mchenry is a bit above the national rate: 92.3% of adults have a diploma or equivalent, against 89.3%. The share with a diploma has risen 2.2 points since 2006–10, 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 Mchenry
| Period | Mchenry | Chicago area | Illinois | U.S. |
|---|---|---|---|---|
| 2006–10 | 9.2% | 9.1% | 8.7% | 8.1% |
| 2010–14 | 10.8% | 10.8% | 10.2% | 9.4% |
| 2015–19 | 3.9% | 6.3% | 6.1% | 5.6% |
| 2020–24 | 3.7% | 6.3% | 6.0% | 5.4% |
| Change | −5.5 pts | −2.8 pts | −2.7 pts | −2.7 pts |
Jobs have been easier to find in Mchenry than nationally: unemployment was 3.7%, against 5.4%. Unemployment has fallen 5.5 points since 2006–10, mirroring the country. 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).
Mchenry 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| Mchenry | 2.40 | 44.2 | 8.3% | 21.8% | 3.2% | 1984 | $1,554 | 27.3% | 92.3% | 3.7% |
| McCullom Lake | 2.69 | 37.1 | 10.8% | 15.6% | 5.6% | 1962 | $1,474 | 17.5% | 91.8% | 3.9% |
| Holiday Hills | 2.19 | 47.4 | 5.1% | 8.5% | 3.4% | 1968 | $1,543 | 25.1% | 87.0% | 3.1% |
| Johnsburg | 2.48 | 49.5 | 5.9% | 7.6% | 2.6% | 1978 | $1,220 | 24.3% | 93.2% | 4.9% |
| Lakemoor | 2.68 | 37.4 | 6.7% | 27.4% | 3.4% | 1990 | $1,654 | 37.2% | 94.0% | 3.0% |
| Prairie Grove | 2.56 | 42.8 | 5.2% | 15.9% | 6.4% | 2000 | $2,899 | 46.8% | 97.6% | 2.0% |
| Bull Valley | 2.60 | 45.4 | 7.7% | 4.9% | 4.5% | 1989 | $1,733 | 33.4% | 94.4% | 6.7% |
| Ringwood | 2.81 | 45.5 | 7.6% | 11.6% | 6.0% | 1991 | $1,564 | 23.6% | 96.0% | 3.4% |
| Wonder Lake | 2.64 | 39.9 | 11.6% | 11.0% | 5.1% | 1977 | $1,499 | 19.8% | 94.5% | 4.2% |
| Pistakee Highlands | 2.69 | 42.7 | 12.4% | 9.3% | 9.8% | 1967 | $1,844 | 22.8% | 96.6% | 3.5% |
| Island Lake | 2.69 | 41.5 | 10.4% | 16.7% | 4.6% | 1986 | $1,784 | 29.8% | 91.1% | 6.7% |
All figures 2020–24.
Cities with similar populations: Torrington, CT · Golden Glades, FL · Greenville, TX · Hudsonville, MI · Hyde Park, MA · Inver Grove Heights, MN · Irmo, SC · Isabela, PR · Juncos, PR · Manchester, CT
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 Mchenry. 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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