Population 12,195 · Census ACS 2020–24
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Population and households in Marengo
Household size in Marengo
| Period | Marengo | Chicago area | Illinois | U.S. |
|---|---|---|---|---|
| 2006–10 | 2.81 | 2.79 | 2.69 | 2.68 |
| 2010–14 | 2.79 | 2.82 | 2.71 | 2.73 |
| 2015–19 | 2.79 | 2.75 | 2.66 | 2.71 |
| 2020–24 | 2.66 | 2.66 | 2.58 | 2.65 |
| Change | −0.15 | −0.12 | −0.11 | −0.03 |
Households in Marengo average 2.66 people, about the same as the country as a whole (2.65). Household size has dropped from 2.81 in 2006–10, a much bigger shift than nationally. The biggest households, usually families with children, are concentrated in the south.
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 Marengo
| Period | Marengo | Chicago area | Illinois | U.S. |
|---|---|---|---|---|
| 2006–10 | 37.4 | 36.8 | 37.6 | 37.7 |
| 2010–14 | 40.5 | 37.8 | 38.5 | 38.6 |
| 2015–19 | 41.7 | 38.9 | 39.6 | 39.6 |
| 2020–24 | 36.9 | 39.7 | 40.2 | 40.1 |
| Change | −0.5 | +3.0 | +2.6 | +2.3 |
The median resident of Marengo is 36.9 years old, a few years younger than the national median of 40.1. The median age has edged down from 37.4 in 2006–10, even as the national median rose. Marengo is younger than at least four in five Illinois cities.
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 Marengo
| Period | Marengo | Chicago area | Illinois | U.S. |
|---|---|---|---|---|
| 2006–10 | 10.4% | 12.0% | 11.7% | 12.3% |
| 2010–14 | 9.6% | 12.0% | 11.7% | 12.3% |
| 2015–19 | 9.9% | 11.2% | 11.1% | 11.6% |
| 2020–24 | 11.1% | 11.5% | 11.3% | 11.6% |
| Change | +0.7 pts | −0.5 pts | −0.4 pts | −0.6 pts |
Single parents head just over one in ten households in Marengo (11.1%), close to the national share of 11.6%. The single-parent share has edged up 0.7 points since 2006–10, even as 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 Marengo
Renters in Marengo
| Period | Marengo | Chicago area | Illinois | U.S. |
|---|---|---|---|---|
| 2006–10 | 22.7% | 32.1% | 30.8% | 33.3% |
| 2010–14 | 24.3% | 34.8% | 33.1% | 35.6% |
| 2015–19 | 22.9% | 35.5% | 33.9% | 36.0% |
| 2020–24 | 25.9% | 34.5% | 32.9% | 34.8% |
| Change | +3.3 pts | +2.3 pts | +2.1 pts | +1.5 pts |
Just over a quarter of households in Marengo rent their homes (25.9%), below the national share of 34.8%; the rest own. More than four in ten owners (43.9%) have paid off their mortgages, above the national share of 39.8%. Rentals cluster in the west; owners are most common in the south. The renter share is up 3.3 points from 2006–10, as it has nationally.
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 Marengo
| Period | Marengo | Chicago area | Illinois | U.S. |
|---|---|---|---|---|
| 2006–10 | 6.7% | 9.8% | 10.0% | 11.4% |
| 2010–14 | 4.4% | 9.8% | 10.1% | 11.4% |
| 2015–19 | 7.4% | 8.9% | 9.8% | 11.1% |
| 2020–24 | 6.1% | 7.2% | 8.1% | 9.6% |
| Change | −0.6 pts | −2.6 pts | −1.9 pts | −1.8 pts |
Fewer homes sit empty in Marengo than nationally: 6.1%, against 9.6% for the U.S. The picture is much the same across the Chicago area. Vacancy is down 0.6 points from 2006–10, a smaller shift than 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 Marengo
| Period | Marengo | Chicago area | Illinois | U.S. |
|---|---|---|---|---|
| 2006–10 | 1975 | 1966 | 1966 | 1974 |
| 2010–14 | 1979 | 1967 | 1967 | 1975 |
| 2015–19 | 1980 | 1967 | 1968 | 1977 |
| 2020–24 | 1982 | 1970 | 1970 | 1980 |
| Change | +8 | +4 | +4 | +6 |
The typical home in Marengo was built around 1982, about the same vintage as the country's housing overall (1980). Homes here are newer than in the wider Chicago area, where the median home dates to 1970. The median year built has moved up from 1975 in 2006–10, a sign of steady new building. Newer construction is concentrated in the south, while the east 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 Marengo
| Period | Marengo | Chicago area | Illinois | U.S. |
|---|---|---|---|---|
| 2006–10 | $1,000 | $1,060 | $953 | $965 |
| 2010–14 | $1,040 | $1,142 | $1,028 | $1,040 |
| 2015–19 | $1,051 | $1,306 | $1,165 | $1,213 |
| 2020–24 | $1,163 | $1,602 | $1,428 | $1,571 |
| Change | +$163 | +$542 | +$475 | +$606 |
Rent in Marengo runs $1,163 a month at the median, utilities included, well below the U.S. median of $1,571. Rents are up $163 a month from 2006–10, a 16% rise, a slower climb than the nation's. The typical renter here spends 35.5% 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 northeast; the most affordable are in the west.
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 Marengo
Bachelor's degrees in Marengo
| Period | Marengo | Chicago area | Illinois | U.S. |
|---|---|---|---|---|
| 2006–10 | 22.2% | 33.9% | 31.2% | 28.4% |
| 2010–14 | 21.1% | 35.2% | 32.4% | 29.6% |
| 2015–19 | 27.3% | 37.9% | 34.7% | 32.1% |
| 2020–24 | 26.2% | 40.9% | 37.7% | 35.6% |
| Change | +4.0 pts | +7.0 pts | +6.5 pts | +7.2 pts |
Just over a quarter of adults 25 and older in Marengo (26.2%) have a bachelor's degree or higher, below the national share of 35.6%. The share with a degree is up 4.0 points from 2006–10, mirroring the country.
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 Marengo
| Period | Marengo | Chicago area | Illinois | U.S. |
|---|---|---|---|---|
| 2006–10 | 89.6% | 85.6% | 86.3% | 84.9% |
| 2010–14 | 90.4% | 86.7% | 87.5% | 86.1% |
| 2015–19 | 93.8% | 88.4% | 89.1% | 87.7% |
| 2020–24 | 95.3% | 89.5% | 90.3% | 89.3% |
| Change | +5.6 pts | +3.9 pts | +4.0 pts | +4.3 pts |
High school completion is high in Marengo: 95.3% of adults 25 and older have a diploma or equivalent, well above the national rate of 89.3%. The share with a diploma has risen 5.6 points since 2006–10, in line with the national trend.
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 Marengo
| Period | Marengo | Chicago area | Illinois | U.S. |
|---|---|---|---|---|
| 2006–10 | 7.8% | 9.1% | 8.7% | 8.1% |
| 2010–14 | 11.5% | 10.8% | 10.2% | 9.4% |
| 2015–19 | 2.8% | 6.3% | 6.1% | 5.6% |
| 2020–24 | 7.7% | 6.3% | 6.0% | 5.4% |
| Change | −0.1 pts | −2.8 pts | −2.7 pts | −2.7 pts |
Unemployment in Marengo runs well above the national rate: 7.7% of the labor force was out of work and looking, against 5.4%. Marengo has higher unemployment than at least four in five Illinois cities. Because the Census pools five years of responses (2020–24), these rates smooth over short swings and lag the current 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).
Marengo 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| Marengo | 2.66 | 36.9 | 11.1% | 25.9% | 6.1% | 1982 | $1,163 | 26.2% | 95.3% | 7.7% |
| Union | 2.59 | 43.1 | 4.6% | 8.5% | 5.0% | 1978 | $1,689 | 22.8% | 95.8% | 5.0% |
| Franklinville | 2.91 | 40.3 | 5.5% | 14.8% | 10.8% | 1992 | $1,677 | 36.2% | 89.6% | 5.2% |
| Garden Prairie | 2.94 | 40.6 | 16.5% | 5.4% | 5.0% | 1981 | $1,320 | 27.6% | 91.7% | 5.2% |
| New Lebanon | 2.77 | 43.3 | 9.5% | 13.9% | 5.4% | 1985 | $1,744 | 27.4% | 91.7% | 4.5% |
| Hartland | 2.35 | 51.9 | 7.6% | 3.2% | 11.1% | 1980 | $1,231 | 29.0% | 98.0% | 8.3% |
| Woodstock | 2.51 | 41.3 | 9.3% | 24.8% | 4.1% | 1980 | $1,368 | 31.8% | 89.1% | 3.6% |
| Huntley | 2.61 | 49.8 | 9.0% | 10.9% | 2.9% | 2003 | $1,644 | 41.1% | 96.2% | 3.9% |
| Hampshire | 3.09 | 40.1 | 10.1% | 14.5% | 1.2% | 2002 | $2,353 | 33.8% | 93.0% | 4.0% |
| Genoa | 2.59 | 38.0 | 6.9% | 24.8% | 1.2% | 1985 | $1,100 | 20.9% | 90.3% | 2.6% |
| Ridgefield | 2.60 | 44.3 | 6.8% | 26.1% | 3.9% | 1989 | $1,365 | 50.9% | 94.7% | 4.9% |
All figures 2020–24.
Cities with similar populations: Cape May, NJ · West Perrine, FL · West Milford, NJ · West Carrollton, OH · Wellford, SC · Waterford, NY · Waterford, CA · Cherryville, NC · Cedar Grove, NJ · Catoosa, OK
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 Marengo. 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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