Population 41,481 · Census ACS 2020–24
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Population and households in Oswego
Household size in Oswego
| Period | Oswego | Chicago area | Illinois | U.S. |
|---|---|---|---|---|
| 2006–10 | 3.11 | 2.79 | 2.69 | 2.68 |
| 2010–14 | 3.14 | 2.82 | 2.71 | 2.73 |
| 2015–19 | 3.07 | 2.75 | 2.66 | 2.71 |
| 2020–24 | 2.99 | 2.66 | 2.58 | 2.65 |
| Change | −0.12 | −0.12 | −0.11 | −0.03 |
Oswego is a place of big households: 2.99 people per home on average, compared with 2.65 nationally. Numbers like that usually point to plenty of families with kids. Household size has dropped from 3.11 in 2006–10, 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 Oswego
| Period | Oswego | Chicago area | Illinois | U.S. |
|---|---|---|---|---|
| 2006–10 | 33.4 | 36.8 | 37.6 | 37.7 |
| 2010–14 | 36.3 | 37.8 | 38.5 | 38.6 |
| 2015–19 | 36.6 | 38.9 | 39.6 | 39.6 |
| 2020–24 | 38.7 | 39.7 | 40.2 | 40.1 |
| Change | +5.3 | +3.0 | +2.6 | +2.3 |
Half of the people in Oswego are younger than 38.7 and half are older, close to the national median of 40.1. Since 2006–10, the median age has climbed from 33.4, in line with the national trend. 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 Oswego
| Period | Oswego | Chicago area | Illinois | U.S. |
|---|---|---|---|---|
| 2006–10 | 8.1% | 12.0% | 11.7% | 12.3% |
| 2010–14 | 8.7% | 12.0% | 11.7% | 12.3% |
| 2015–19 | 8.4% | 11.2% | 11.1% | 11.6% |
| 2020–24 | 10.4% | 11.5% | 11.3% | 11.6% |
| Change | +2.2 pts | −0.5 pts | −0.4 pts | −0.6 pts |
Single-parent households are a bit less common in Oswego than nationally: 10.4%, against 11.6%. The single-parent share has risen 2.2 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 Oswego
Renters in Oswego
| Period | Oswego | Chicago area | Illinois | U.S. |
|---|---|---|---|---|
| 2006–10 | 13.8% | 32.1% | 30.8% | 33.3% |
| 2010–14 | 16.6% | 34.8% | 33.1% | 35.6% |
| 2015–19 | 15.5% | 35.5% | 33.9% | 36.0% |
| 2020–24 | 13.8% | 34.5% | 32.9% | 34.8% |
| Change | −0.0 pts | +2.3 pts | +2.1 pts | +1.5 pts |
Oswego is overwhelmingly a place of homeowners: only 13.8% of households rent, far below the national share of 34.8%. Owner-heavy areas like this tend to see less turnover. Among homeowners, 20.8% have no mortgage at all, well below the national share of 39.8%.
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 Oswego
| Period | Oswego | Chicago area | Illinois | U.S. |
|---|---|---|---|---|
| 2006–10 | 7.0% | 9.8% | 10.0% | 11.4% |
| 2010–14 | 6.5% | 9.8% | 10.1% | 11.4% |
| 2015–19 | 3.3% | 8.9% | 9.8% | 11.1% |
| 2020–24 | 3.1% | 7.2% | 8.1% | 9.6% |
| Change | −3.9 pts | −2.6 pts | −1.9 pts | −1.8 pts |
Empty homes are scarce in Oswego: just 3.1% sit vacant, compared with 9.6% nationally, a sign of a tight housing market. Vacancy has fallen 3.9 points since 2006–10, as it has nationally. Only 20 of the 388 Illinois cities with 5,000+ people 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 Oswego
| Period | Oswego | Chicago area | Illinois | U.S. |
|---|---|---|---|---|
| 2006–10 | 1996 | 1966 | 1966 | 1974 |
| 2010–14 | 1997 | 1967 | 1967 | 1975 |
| 2015–19 | 1997 | 1967 | 1968 | 1977 |
| 2020–24 | 1997 | 1970 | 1970 | 1980 |
| Change | +1 | +4 | +4 | +6 |
Oswego has newer housing than the country as a whole: the median home was built in 1997, versus 1980 nationally. Newer construction is concentrated in the northeast, while the center has the oldest housing. Of the 388 Illinois cities with 5,000+ people, only 14 have newer homes.
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 Oswego
| Period | Oswego | Chicago area | Illinois | U.S. |
|---|---|---|---|---|
| 2006–10 | $1,100 | $1,060 | $953 | $965 |
| 2010–14 | $1,246 | $1,142 | $1,028 | $1,040 |
| 2015–19 | $1,338 | $1,306 | $1,165 | $1,213 |
| 2020–24 | $2,017 | $1,602 | $1,428 | $1,571 |
| Change | +$916 | +$542 | +$475 | +$606 |
Rent in Oswego runs $2,017 a month at the median, utilities included, well above the U.S. median of $1,571. Rent has climbed $916 a month since 2006–10, up 83%, faster than rents rose nationally. The typical renter here spends 27.8% of household income on rent, just under the 30% mark often used to define affordable rent, and a smaller share than renters pay nationally. Of the 388 Illinois cities with 5,000+ people, only 36 have higher rents.
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 Oswego
Bachelor's degrees in Oswego
| Period | Oswego | Chicago area | Illinois | U.S. |
|---|---|---|---|---|
| 2006–10 | 40.3% | 33.9% | 31.2% | 28.4% |
| 2010–14 | 42.8% | 35.2% | 32.4% | 29.6% |
| 2015–19 | 44.7% | 37.9% | 34.7% | 32.1% |
| 2020–24 | 42.6% | 40.9% | 37.7% | 35.6% |
| Change | +2.2 pts | +7.0 pts | +6.5 pts | +7.2 pts |
Just over four in ten adults 25 and older in Oswego (42.6%) have a bachelor's degree or higher, above the national share of 35.6%. Since 2006–10, the share with a degree has risen 2.2 points, a smaller shift than nationally. College graduates are most concentrated in the south 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 Oswego
| Period | Oswego | Chicago area | Illinois | U.S. |
|---|---|---|---|---|
| 2006–10 | 94.6% | 85.6% | 86.3% | 84.9% |
| 2010–14 | 95.6% | 86.7% | 87.5% | 86.1% |
| 2015–19 | 93.8% | 88.4% | 89.1% | 87.7% |
| 2020–24 | 95.8% | 89.5% | 90.3% | 89.3% |
| Change | +1.2 pts | +3.9 pts | +4.0 pts | +4.3 pts |
High school completion is high in Oswego: 95.8% of adults 25 and older have a diploma or equivalent, well above the national rate of 89.3%. The share with a diploma has edged up 1.2 points since 2006–10, a smaller shift than nationally.
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 Oswego
| Period | Oswego | Chicago area | Illinois | U.S. |
|---|---|---|---|---|
| 2006–10 | 6.1% | 9.1% | 8.7% | 8.1% |
| 2010–14 | 5.9% | 10.8% | 10.2% | 9.4% |
| 2015–19 | 3.3% | 6.3% | 6.1% | 5.6% |
| 2020–24 | 3.2% | 6.3% | 6.0% | 5.4% |
| Change | −2.9 pts | −2.8 pts | −2.7 pts | −2.7 pts |
The job market in Oswego has been strong: just 3.2% of the labor force was out of work and looking, well below the national rate of 5.4%. Since 2006–10, unemployment has fallen 2.9 points, 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).
Oswego 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| Oswego | 2.99 | 38.7 | 10.4% | 13.8% | 3.1% | 1997 | $2,017 | 42.6% | 95.8% | 3.2% |
| Boulder Hill | 2.94 | 38.9 | 13.6% | 12.7% | 3.5% | 1973 | $1,542 | 22.2% | 90.1% | 10.3% |
| Montgomery | 2.99 | 36.1 | 9.9% | 23.4% | 8.1% | 1994 | $2,179 | 27.3% | 88.0% | 3.3% |
| Bristol | 2.77 | 44.9 | 5.6% | 9.8% | 3.9% | 1999 | $1,712 | 42.9% | 95.0% | 2.2% |
| Aurora | 3.00 | 35.9 | 15.4% | 33.4% | 5.2% | 1978 | $1,729 | 37.4% | 82.9% | 5.7% |
| Yorkville | 2.97 | 37.5 | 9.9% | 14.8% | 3.9% | 1999 | $1,777 | 36.0% | 94.6% | 3.5% |
| Eola | 2.19 | 33.8 | 14.6% | 74.1% | 2.4% | 2002 | $1,978 | 60.4% | 95.0% | 3.6% |
| Sugar Grove | 2.68 | 46.5 | 7.6% | 8.0% | 5.4% | 1996 | $1,446 | 49.1% | 96.0% | 3.3% |
| North Aurora | 2.69 | 40.9 | 7.2% | 25.3% | 3.1% | 1994 | $1,667 | 40.9% | 93.5% | 4.6% |
| Plainfield | 3.24 | 38.2 | 10.0% | 10.2% | 2.2% | 2000 | $2,302 | 45.0% | 94.9% | 4.6% |
| Naperville | 2.78 | 41.2 | 7.1% | 24.4% | 5.0% | 1988 | $2,169 | 71.9% | 97.2% | 4.4% |
All figures 2020–24.
Cities with similar populations: Braintree Town, MA · Dorado, PR · College Park, MD · Claremont, CA · Canal Winchester, OH · Calhoun, GA · Calexico, CA · Brownsburg, IN · Bettendorf, IA · Belton, TX
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 Oswego. 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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