Population 11,683 · Census ACS 2020–24
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Population and households in Greene County
Household size in Greene County
| Period | Greene County | Illinois | U.S. |
|---|---|---|---|
| 2006–10 | 2.40 | 2.69 | 2.68 |
| 2010–14 | 2.36 | 2.71 | 2.73 |
| 2015–19 | 2.59 | 2.66 | 2.71 |
| 2020–24 | 2.62 | 2.58 | 2.65 |
| Change | +0.21 | −0.11 | −0.03 |
At 2.62 people per household, Greene County sits close to the national average of 2.65. Household size has climbed from 2.40 in 2006–10, even as the national average fell. Households are largest in the center and smallest in the west.
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 Greene County
| Period | Greene County | Illinois | U.S. |
|---|---|---|---|
| 2006–10 | 42.1 | 37.6 | 37.7 |
| 2010–14 | 42.8 | 38.5 | 38.6 |
| 2015–19 | 42.9 | 39.6 | 39.6 |
| 2020–24 | 43.5 | 40.2 | 40.1 |
| Change | +1.5 | +2.6 | +2.3 |
Greene County skews older than the country: its median age is 43.5, against 40.1 nationally. The median age has climbed from 42.1 in 2006–10, as it has nationally. The youngest areas are in the south, the oldest in the northwest.
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 Greene County
| Period | Greene County | Illinois | U.S. |
|---|---|---|---|
| 2006–10 | 9.7% | 11.7% | 12.3% |
| 2010–14 | 10.1% | 11.7% | 12.3% |
| 2015–19 | 11.0% | 11.1% | 11.6% |
| 2020–24 | 10.1% | 11.3% | 11.6% |
| Change | +0.4 pts | −0.4 pts | −0.6 pts |
Single parents head about one in ten households in Greene County (10.1%), a little 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 Greene County
Renters in Greene County
| Period | Greene County | Illinois | U.S. |
|---|---|---|---|
| 2006–10 | 21.7% | 30.8% | 33.3% |
| 2010–14 | 23.4% | 33.1% | 35.6% |
| 2015–19 | 22.4% | 33.9% | 36.0% |
| 2020–24 | 21.8% | 32.9% | 34.8% |
| Change | +0.1 pts | +2.1 pts | +1.5 pts |
Only 21.8% of households in Greene County rent their homes, far below the national share of 34.8%, so most residents are owners who tend to stay put. Nearly six in ten owners (57.8%) have paid off their mortgages, well above 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 Greene County
| Period | Greene County | Illinois | U.S. |
|---|---|---|---|
| 2006–10 | 10.7% | 10.0% | 11.4% |
| 2010–14 | 10.3% | 10.1% | 11.4% |
| 2015–19 | 22.0% | 9.8% | 11.1% |
| 2020–24 | 22.8% | 8.1% | 9.6% |
| Change | +12.0 pts | −1.9 pts | −1.8 pts |
Vacancy is high in Greene County: 22.8% of homes are empty, 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 is up 12.0 points from 2006–10, even as the national rate fell.
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 Greene County
| Period | Greene County | Illinois | U.S. |
|---|---|---|---|
| 2006–10 | 1955 | 1966 | 1974 |
| 2010–14 | 1954 | 1967 | 1975 |
| 2015–19 | 1952 | 1968 | 1977 |
| 2020–24 | 1958 | 1970 | 1980 |
| Change | +3 | +4 | +6 |
The housing in Greene County is old by national standards: the median home dates to 1958, 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 southwest, while the northwest has the oldest housing. Only six of Illinois' 102 counties have older 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 Greene County
| Period | Greene County | Illinois | U.S. |
|---|---|---|---|
| 2006–10 | $495 | $953 | $965 |
| 2010–14 | $587 | $1,028 | $1,040 |
| 2015–19 | $656 | $1,165 | $1,213 |
| 2020–24 | $797 | $1,428 | $1,571 |
| Change | +$301 | +$475 | +$606 |
A typical rental in Greene County costs $797 a month with utilities, well below the national median of $1,571. Rents are up $301 a month from 2006–10, a 61% jump, roughly in step with the nation. The typical renter here spends 23.5% of household income on rent, comfortably under the 30% mark often used to define affordable rent, and a smaller share than renters pay nationally. Renters on a budget will find the lowest rents in the west; the highest are in the south.
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 Greene County
Bachelor's degrees in Greene County
| Period | Greene County | Illinois | U.S. |
|---|---|---|---|
| 2006–10 | 13.9% | 31.2% | 28.4% |
| 2010–14 | 12.9% | 32.4% | 29.6% |
| 2015–19 | 12.9% | 34.7% | 32.1% |
| 2020–24 | 18.4% | 37.7% | 35.6% |
| Change | +4.4 pts | +6.5 pts | +7.2 pts |
Fewer adults in Greene County have a four-year degree than in the country as a whole: 18.4%, against 35.6% nationally. The share with a degree is up 4.4 points from 2006–10, mirroring the country. College graduates are most concentrated in the northwest and least in the southeast.
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 Greene County
| Period | Greene County | Illinois | U.S. |
|---|---|---|---|
| 2006–10 | 85.3% | 86.3% | 84.9% |
| 2010–14 | 87.1% | 87.5% | 86.1% |
| 2015–19 | 91.1% | 89.1% | 87.7% |
| 2020–24 | 91.4% | 90.3% | 89.3% |
| Change | +6.1 pts | +4.0 pts | +4.3 pts |
About nine in ten adults in Greene County have finished high school (91.4%), a bit above the national rate of 89.3%. The picture is much the same across Illinois. The share with a diploma is up 6.1 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 Greene County
| Period | Greene County | Illinois | U.S. |
|---|---|---|---|
| 2006–10 | 5.6% | 8.7% | 8.1% |
| 2010–14 | 8.5% | 10.2% | 9.4% |
| 2015–19 | 2.7% | 6.1% | 5.6% |
| 2020–24 | 4.9% | 6.0% | 5.4% |
| Change | −0.7 pts | −2.7 pts | −2.7 pts |
Unemployment in Greene County is close to the national rate: 4.9% of the labor force, against 5.4%. The rate is lower than in Illinois as a whole (6.0%). 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).
Greene 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| Greene County | 2.62 | 43.5 | 10.1% | 21.8% | 22.8% | 1958 | $797 | 18.4% | 91.4% | 4.9% |
| Pike County | 2.56 | 39.4 | 14.5% | 26.7% | 15.3% | 1972 | $786 | 17.5% | 87.8% | 3.8% |
| Audrain County | 2.65 | 40.2 | 8.9% | 28.2% | 13.0% | 1970 | $718 | 18.0% | 88.1% | 4.4% |
| Shelby County | 2.34 | 44.8 | 10.4% | 21.6% | 12.3% | 1966 | $804 | 18.5% | 94.9% | 3.2% |
| Randolph County | 2.51 | 39.5 | 12.9% | 28.6% | 14.8% | 1973 | $791 | 17.9% | 89.7% | 4.6% |
| Cumberland County | 2.48 | 44.5 | 7.0% | 15.8% | 10.2% | 1970 | $847 | 19.1% | 94.2% | 1.4% |
| Coles County | 2.11 | 40.6 | 11.3% | 39.6% | 10.2% | 1969 | $806 | 28.4% | 91.4% | 5.7% |
| Chariton County | 2.68 | 45.2 | 6.7% | 16.5% | 27.5% | 1968 | $600 | 22.7% | 92.3% | 3.6% |
| Clark County | 2.36 | 43.1 | 13.9% | 19.7% | 12.1% | 1970 | $886 | 25.1% | 92.6% | 3.5% |
| Vigo County | 2.38 | 37.3 | 13.2% | 38.3% | 11.6% | 1970 | $961 | 27.4% | 90.9% | 5.8% |
| Carroll County | 2.38 | 43.6 | 11.6% | 28.1% | 21.2% | 1962 | $752 | 20.3% | 90.1% | 4.8% |
All figures 2020–24.
Counties with similar populations: East Feliciana Parish, LA · Dolores County, CO · Doniphan County, KS · Donley County, TX · Douglas County, IL · Douglas County, MO · Douglas County, SD · Duchesne County, UT · Dukes County, MA · Dodge County, MN
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 Greene 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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