Population 8,688 · Census ACS 2020–24
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Population and households in Greene County
Household size in Greene County
| Period | Greene County | Iowa | U.S. |
|---|---|---|---|
| 2006–10 | 2.25 | 2.44 | 2.68 |
| 2010–14 | 2.37 | 2.45 | 2.73 |
| 2015–19 | 2.22 | 2.43 | 2.71 |
| 2020–24 | 2.19 | 2.43 | 2.65 |
| Change | −0.06 | −0.01 | −0.03 |
Greene County is a place of small households, averaging 2.19 people against 2.65 for the U.S., which points to many singles, couples and roommates and relatively few children. Since 2006–10, household size has edged down from 2.25, as it has nationally. Only five of Iowa's 99 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 Greene County
| Period | Greene County | Iowa | U.S. |
|---|---|---|---|
| 2006–10 | 45.2 | 38.8 | 37.7 |
| 2010–14 | 44.5 | 39.3 | 38.6 |
| 2015–19 | 45.6 | 39.7 | 39.6 |
| 2020–24 | 45.9 | 39.8 | 40.1 |
| Change | +0.7 | +1.0 | +2.3 |
Greene County skews older: half of its residents are older than 45.9, 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 crept up from 45.2, a smaller shift than nationally. Of Iowa's 99 counties, only eight 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 Greene County
| Period | Greene County | Iowa | U.S. |
|---|---|---|---|
| 2006–10 | 6.9% | 9.5% | 12.3% |
| 2010–14 | 10.0% | 9.9% | 12.3% |
| 2015–19 | 7.6% | 10.0% | 11.6% |
| 2020–24 | 8.1% | 10.0% | 11.6% |
| Change | +1.2 pts | +0.6 pts | −0.6 pts |
Single parents head only 8.1% of households in Greene County, well below the national share of 11.6%. Since 2006–10, the single-parent share has edged up 1.2 points, 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 Greene County
Renters in Greene County
| Period | Greene County | Iowa | U.S. |
|---|---|---|---|
| 2006–10 | 23.8% | 26.8% | 33.3% |
| 2010–14 | 23.7% | 28.2% | 35.6% |
| 2015–19 | 26.6% | 28.9% | 36.0% |
| 2020–24 | 23.6% | 28.3% | 34.8% |
| Change | −0.2 pts | +1.5 pts | +1.5 pts |
Only 23.6% 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. Just over four in ten owners (41.9%) have paid off their mortgages, about the same as 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 Greene County
| Period | Greene County | Iowa | U.S. |
|---|---|---|---|
| 2006–10 | 8.7% | 8.7% | 11.4% |
| 2010–14 | 14.9% | 8.6% | 11.4% |
| 2015–19 | 12.5% | 9.4% | 11.1% |
| 2020–24 | 10.1% | 8.8% | 9.6% |
| Change | +1.5 pts | +0.1 pts | −1.8 pts |
About as many homes sit empty in Greene County as nationally: 10.1%, against 9.6%. Vacancy has edged up 1.5 points since 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 | Iowa | U.S. |
|---|---|---|---|
| 2006–10 | 1951 | 1965 | 1974 |
| 2010–14 | 1950 | 1967 | 1975 |
| 2015–19 | 1953 | 1969 | 1977 |
| 2020–24 | 1952 | 1971 | 1980 |
| Change | +1 | +6 | +6 |
Greene County is a place of older homes: half were built before 1952, while the national median is 1980. That means established neighborhoods, and more houses that may need updating. The newest homes are mostly in the center, the oldest in the west. Of Iowa's 99 counties, only eight 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 | Iowa | U.S. |
|---|---|---|---|
| 2006–10 | $539 | $669 | $965 |
| 2010–14 | $620 | $732 | $1,040 |
| 2015–19 | $623 | $821 | $1,213 |
| 2020–24 | $822 | $1,020 | $1,571 |
| Change | +$284 | +$351 | +$606 |
A typical rental in Greene County costs $822 a month with utilities, well below the national median of $1,571. Rents are up $284 a month from 2006–10, a 53% rise, a slower climb than the nation's. Rent takes 22.4% of the typical renter's income, comfortably under the 30% mark often used to define affordable rent.
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 | Iowa | U.S. |
|---|---|---|---|
| 2006–10 | 17.5% | 26.5% | 28.4% |
| 2010–14 | 17.0% | 27.9% | 29.6% |
| 2015–19 | 18.8% | 29.3% | 32.1% |
| 2020–24 | 21.3% | 32.3% | 35.6% |
| Change | +3.9 pts | +5.8 pts | +7.2 pts |
College degrees are relatively uncommon in Greene County: 21.3% of adults 25 and older hold a bachelor's or higher, well below the national share of 35.6%. The share with a degree has risen 3.9 points since 2006–10, as it has nationally.
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 | Iowa | U.S. |
|---|---|---|---|
| 2006–10 | 88.2% | 90.4% | 84.9% |
| 2010–14 | 90.4% | 91.4% | 86.1% |
| 2015–19 | 93.3% | 92.1% | 87.7% |
| 2020–24 | 93.5% | 93.0% | 89.3% |
| Change | +5.3 pts | +2.7 pts | +4.3 pts |
High school completion in Greene County is above the national rate: 93.5% of adults have a diploma or equivalent, against 89.3%. Iowa as a whole looks much the same. The share with a diploma is up 5.3 points from 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 Greene County
| Period | Greene County | Iowa | U.S. |
|---|---|---|---|
| 2006–10 | 4.3% | 5.2% | 8.1% |
| 2010–14 | 6.9% | 5.4% | 9.4% |
| 2015–19 | 4.3% | 3.7% | 5.6% |
| 2020–24 | 2.2% | 3.7% | 5.4% |
| Change | −2.1 pts | −1.5 pts | −2.7 pts |
Unemployment in Greene County has been low: just 2.2% of the labor force was out of work and looking, well below the national rate of 5.4%. Unemployment has fallen 2.1 points since 2006–10, in line with the national trend. 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 | 2.19 | 45.9 | 8.1% | 23.6% | 10.1% | 1952 | $822 | 21.3% | 93.5% | 2.2% |
| Boone County | 2.41 | 42.7 | 8.5% | 20.0% | 8.7% | 1961 | $930 | 28.5% | 95.1% | 1.5% |
| Carroll County | 2.33 | 41.9 | 7.9% | 22.9% | 8.8% | 1960 | $809 | 24.2% | 95.3% | 1.8% |
| Story County | 2.36 | 33.8 | 5.1% | 44.5% | 9.3% | 1983 | $1,026 | 58.0% | 96.8% | 4.3% |
| Crawford County | 2.51 | 40.3 | 18.5% | 24.0% | 8.3% | 1960 | $732 | 17.7% | 83.2% | 3.9% |
| Marshall County | 2.58 | 39.8 | 10.7% | 25.0% | 9.5% | 1957 | $1,039 | 22.6% | 86.1% | 4.2% |
| Monona County | 2.21 | 45.5 | 8.9% | 24.3% | 11.9% | 1954 | $885 | 19.9% | 91.8% | 1.6% |
| Tama County | 2.47 | 42.6 | 13.3% | 24.0% | 11.8% | 1959 | $870 | 19.9% | 91.6% | 4.5% |
| Thurston County | 3.29 | 30.0 | 18.8% | 39.0% | 13.3% | 1967 | $728 | 21.6% | 93.6% | 10.9% |
| Benton County | 2.53 | 43.2 | 9.7% | 15.0% | 7.7% | 1967 | $843 | 25.7% | 95.3% | 1.9% |
| Linn County | 2.44 | 39.6 | 11.3% | 26.5% | 8.3% | 1980 | $1,057 | 34.2% | 94.8% | 3.4% |
All figures 2020–24.
Counties with similar populations: Dixon County, NE · Sitka City and Borough, AK · Sibley County, MN · Faribault County, MN · Esmeralda County, NV · Emmons County, ND · Edgar County, IL · Eddy County, ND · East Carroll Parish, LA · Drew County, AR
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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