Population 21,851 · Census ACS 2020–24
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Population and households in Jo Daviess County
Household size in Jo Daviess County
| Period | Jo Daviess County | Illinois | U.S. |
|---|---|---|---|
| 2006–10 | 2.25 | 2.69 | 2.68 |
| 2010–14 | 2.35 | 2.71 | 2.73 |
| 2015–19 | 2.16 | 2.66 | 2.71 |
| 2020–24 | 2.12 | 2.58 | 2.65 |
| Change | −0.13 | −0.11 | −0.03 |
Jo Daviess County is a place of small households, averaging 2.12 people against 2.65 for the U.S., which points to many singles, couples and roommates and relatively few children. Household size has dropped from 2.25 in 2006–10, a much bigger shift than nationally. Only three of Illinois' 102 counties have smaller households.
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 Jo Daviess County
| Period | Jo Daviess County | Illinois | U.S. |
|---|---|---|---|
| 2006–10 | 47.2 | 37.6 | 37.7 |
| 2010–14 | 47.8 | 38.5 | 38.6 |
| 2015–19 | 49.9 | 39.6 | 39.6 |
| 2020–24 | 50.8 | 40.2 | 40.1 |
| Change | +3.6 | +2.6 | +2.3 |
Jo Daviess County skews older: half of its residents are older than 50.8, 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 47.2, in line with the national trend. Only two of Illinois' 102 counties are older.
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 Jo Daviess County
| Period | Jo Daviess County | Illinois | U.S. |
|---|---|---|---|
| 2006–10 | 9.9% | 11.7% | 12.3% |
| 2010–14 | 8.9% | 11.7% | 12.3% |
| 2015–19 | 7.2% | 11.1% | 11.6% |
| 2020–24 | 8.7% | 11.3% | 11.6% |
| Change | −1.2 pts | −0.4 pts | −0.6 pts |
Single-parent households are less common in Jo Daviess County than nationally: 8.7%, against 11.6%. Since 2006–10, the single-parent share has edged down 1.2 points, mirroring the country. Jo Daviess County has a lower share of single-parent households than the great majority of Illinois counties.
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 Jo Daviess County
Renters in Jo Daviess County
| Period | Jo Daviess County | Illinois | U.S. |
|---|---|---|---|
| 2006–10 | 21.9% | 30.8% | 33.3% |
| 2010–14 | 21.8% | 33.1% | 35.6% |
| 2015–19 | 21.6% | 33.9% | 36.0% |
| 2020–24 | 19.6% | 32.9% | 34.8% |
| Change | −2.3 pts | +2.1 pts | +1.5 pts |
Only 19.6% of households in Jo Daviess County rent their homes, far below the national share of 34.8%, so most residents are owners who tend to stay put. More than four in ten owners (44.7%) have paid off their mortgages, above the national share of 39.8%. Renting is most common in the west and least common in the center. The renter share has fallen 2.3 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 Jo Daviess County
| Period | Jo Daviess County | Illinois | U.S. |
|---|---|---|---|
| 2006–10 | 20.3% | 10.0% | 11.4% |
| 2010–14 | 23.6% | 10.1% | 11.4% |
| 2015–19 | 21.5% | 9.8% | 11.1% |
| 2020–24 | 17.5% | 8.1% | 9.6% |
| Change | −2.8 pts | −1.9 pts | −1.8 pts |
Vacant homes make up 17.5% of the housing in Jo Daviess County, far above the national rate of 9.6%. In resort and lake areas that usually means seasonal and vacation homes; elsewhere it can point to weak demand. Vacancy has fallen 2.8 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 Jo Daviess County
| Period | Jo Daviess County | Illinois | U.S. |
|---|---|---|---|
| 2006–10 | 1962 | 1966 | 1974 |
| 2010–14 | 1964 | 1967 | 1975 |
| 2015–19 | 1964 | 1968 | 1977 |
| 2020–24 | 1969 | 1970 | 1980 |
| Change | +7 | +4 | +6 |
Jo Daviess County is a place of older homes: half were built before 1969, 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 1962 in 2006–10, a sign of steady new building. Newer construction is concentrated in the center, while the northeast 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 Jo Daviess County
| Period | Jo Daviess County | Illinois | U.S. |
|---|---|---|---|
| 2006–10 | $628 | $953 | $965 |
| 2010–14 | $707 | $1,028 | $1,040 |
| 2015–19 | $742 | $1,165 | $1,213 |
| 2020–24 | $859 | $1,428 | $1,571 |
| Change | +$230 | +$475 | +$606 |
The median renter in Jo Daviess County pays $859 a month for rent and utilities, well below the national median of $1,571. Rents are up $230 a month from 2006–10, a 37% rise, a slower climb than the nation's. Rent takes 29.6% of the typical renter's income, just under the 30% mark often used to define affordable rent. The priciest rents are in the center; the most affordable are in the southeast.
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 Jo Daviess County
Bachelor's degrees in Jo Daviess County
| Period | Jo Daviess County | Illinois | U.S. |
|---|---|---|---|
| 2006–10 | 23.2% | 31.2% | 28.4% |
| 2010–14 | 23.7% | 32.4% | 29.6% |
| 2015–19 | 24.9% | 34.7% | 32.1% |
| 2020–24 | 28.9% | 37.7% | 35.6% |
| Change | +5.6 pts | +6.5 pts | +7.2 pts |
Nearly three in ten adults 25 and older in Jo Daviess County (28.9%) have a bachelor's degree or higher, below the national share of 35.6%. Since 2006–10, the share with a degree has risen 5.6 points, in line with the national trend. College graduates are most concentrated in the center and least in the northeast.
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 Jo Daviess County
| Period | Jo Daviess County | Illinois | U.S. |
|---|---|---|---|
| 2006–10 | 89.2% | 86.3% | 84.9% |
| 2010–14 | 91.7% | 87.5% | 86.1% |
| 2015–19 | 92.4% | 89.1% | 87.7% |
| 2020–24 | 93.2% | 90.3% | 89.3% |
| Change | +3.9 pts | +4.0 pts | +4.3 pts |
High school completion in Jo Daviess County is above the national rate: 93.2% of adults have a diploma, against 89.3%. The share with a diploma is up 3.9 points from 2006–10, as it has 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 Jo Daviess County
| Period | Jo Daviess County | Illinois | U.S. |
|---|---|---|---|
| 2006–10 | 5.2% | 8.7% | 8.1% |
| 2010–14 | 5.3% | 10.2% | 9.4% |
| 2015–19 | 3.7% | 6.1% | 5.6% |
| 2020–24 | 3.6% | 6.0% | 5.4% |
| Change | −1.6 pts | −2.7 pts | −2.7 pts |
Unemployment in Jo Daviess County runs below the national rate: 3.6% of the labor force was out of work and looking, against 5.4% nationally. Unemployment is down 1.6 points from 2006–10, as it has nationally. 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).
Jo Daviess County compared with nearby counties
| County | Household size | Median age | Single parents | Renters | Vacant homes | Median year built | Median rent | Bachelor's degree | High school diploma | Unemployment |
|---|---|---|---|---|---|---|---|---|---|---|
| Jo Daviess County | 2.12 | 50.8 | 8.7% | 19.6% | 17.5% | 1969 | $859 | 28.9% | 93.2% | 3.6% |
| Dubuque County | 2.38 | 40.0 | 7.9% | 26.7% | 6.0% | 1974 | $1,015 | 33.3% | 93.9% | 3.5% |
| Stephenson County | 2.26 | 46.2 | 11.4% | 29.1% | 9.7% | 1960 | $779 | 21.2% | 92.3% | 4.4% |
| Delaware County | 2.36 | 45.3 | 7.3% | 20.4% | 10.4% | 1967 | $739 | 22.3% | 93.3% | 1.7% |
| Winnebago County | 2.49 | 40.4 | 13.9% | 34.1% | 8.2% | 1972 | $1,110 | 25.1% | 88.5% | 7.6% |
| Buchanan County | 2.53 | 40.7 | 10.2% | 17.9% | 7.6% | 1972 | $973 | 22.2% | 93.6% | 2.8% |
| Black Hawk County | 2.37 | 37.0 | 10.5% | 33.8% | 8.2% | 1968 | $1,030 | 32.7% | 93.3% | 4.5% |
| Lake County | 2.77 | 39.5 | 10.0% | 25.2% | 5.8% | 1980 | $1,746 | 45.6% | 90.5% | 4.9% |
| Kenosha County | 2.46 | 40.4 | 12.3% | 33.3% | 8.0% | 1976 | $1,290 | 31.4% | 91.9% | 4.5% |
| Grundy County | 2.40 | 42.5 | 7.8% | 15.5% | 6.7% | 1961 | $859 | 28.3% | 96.7% | 1.9% |
| Hardin County | 2.32 | 43.8 | 7.8% | 26.4% | 12.3% | 1955 | $770 | 22.6% | 92.8% | 4.8% |
All figures 2020–24.
Counties with similar populations: Cleburne County, AL · Chickasaw County, MS · Choctaw County, AL · Choctaw County, OK · Chowan County, NC · Churchill County, NV · Ciales Municipio, PR · Cibola County, NM · Claiborne Parish, LA · Clare County, MI
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 Jo Daviess County. 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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