Population 19,749 · Census ACS 2020–24
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Population and households in Marion County
Household size in Marion County
| Period | Marion County | Kentucky | U.S. |
|---|---|---|---|
| 2006–10 | 2.56 | 2.51 | 2.68 |
| 2010–14 | 2.53 | 2.53 | 2.73 |
| 2015–19 | 2.54 | 2.52 | 2.71 |
| 2020–24 | 2.50 | 2.51 | 2.65 |
| Change | −0.06 | −0.00 | −0.03 |
The average household in Marion County has 2.50 people, a bit under the U.S. average of 2.65. Since 2006–10, household size has edged down from 2.56, mirroring the country. 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 Marion County
| Period | Marion County | Kentucky | U.S. |
|---|---|---|---|
| 2006–10 | 38.2 | 38.5 | 37.7 |
| 2010–14 | 39.3 | 39.3 | 38.6 |
| 2015–19 | 40.1 | 40.0 | 39.6 |
| 2020–24 | 40.7 | 39.9 | 40.1 |
| Change | +2.5 | +1.5 | +2.3 |
At 40.7, the median age in Marion County is close to the national median of 40.1, so its age mix looks much like the country's. The median age has climbed from 38.2 in 2006–10, in line with the national trend. The youngest areas are in the south, the oldest in the east.
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 Marion County
| Period | Marion County | Kentucky | U.S. |
|---|---|---|---|
| 2006–10 | 10.0% | 11.7% | 12.3% |
| 2010–14 | 12.8% | 11.9% | 12.3% |
| 2015–19 | 12.6% | 11.8% | 11.6% |
| 2020–24 | 12.6% | 11.9% | 11.6% |
| Change | +2.6 pts | +0.2 pts | −0.6 pts |
Single parents head about one in eight households in Marion County (12.6%), a bit above the national share of 11.6%. Kentucky as a whole looks much the same. The single-parent share has risen 2.6 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 Marion County
Renters in Marion County
| Period | Marion County | Kentucky | U.S. |
|---|---|---|---|
| 2006–10 | 20.2% | 30.1% | 33.3% |
| 2010–14 | 25.9% | 32.3% | 35.6% |
| 2015–19 | 26.6% | 32.8% | 36.0% |
| 2020–24 | 22.3% | 31.7% | 34.8% |
| Change | +2.2 pts | +1.5 pts | +1.5 pts |
Marion County is largely a place of homeowners: only 22.3% of households rent, far below the national share of 34.8%. Owner-heavy areas like this tend to see less turnover. Among owners, 46.3% have paid off their mortgages, above the national share of 39.8%. The renter share is up 2.2 points from 2006–10, in line with the national trend.
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 Marion County
| Period | Marion County | Kentucky | U.S. |
|---|---|---|---|
| 2006–10 | 11.5% | 12.2% | 11.4% |
| 2010–14 | 10.5% | 11.9% | 11.4% |
| 2015–19 | 11.3% | 12.3% | 11.1% |
| 2020–24 | 9.4% | 10.6% | 9.6% |
| Change | −2.2 pts | −1.6 pts | −1.8 pts |
Vacancy in Marion County is close to the national rate: 9.4% of homes are empty, against 9.6%. Vacancy has fallen 2.2 points since 2006–10, mirroring the country.
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 Marion County
| Period | Marion County | Kentucky | U.S. |
|---|---|---|---|
| 2006–10 | 1976 | 1977 | 1974 |
| 2010–14 | 1978 | 1979 | 1975 |
| 2015–19 | 1981 | 1980 | 1977 |
| 2020–24 | 1985 | 1982 | 1980 |
| Change | +9 | +5 | +6 |
The housing in Marion County is a little younger than the country's: half of it was built after 1985, against 1980 nationally. The median year built has moved up from 1976 in 2006–10, a sign of steady new building. The newest homes are mostly in the south, the oldest in the northeast.
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 Marion County
| Period | Marion County | Kentucky | U.S. |
|---|---|---|---|
| 2006–10 | $540 | $657 | $965 |
| 2010–14 | $602 | $728 | $1,040 |
| 2015–19 | $657 | $814 | $1,213 |
| 2020–24 | $717 | $1,024 | $1,571 |
| Change | +$177 | +$367 | +$606 |
Rent in Marion County runs $717 a month at the median, utilities included, well below the U.S. median of $1,571. Rent has climbed $177 a month since 2006–10, up 33%, a slower climb than the nation's. Rent takes 25.0% of the typical renter's income, comfortably under the 30% mark often used to define affordable rent. Rents run highest in the west and lowest in the northeast.
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 Marion County
Bachelor's degrees in Marion County
| Period | Marion County | Kentucky | U.S. |
|---|---|---|---|
| 2006–10 | 12.0% | 21.3% | 28.4% |
| 2010–14 | 13.3% | 22.5% | 29.6% |
| 2015–19 | 12.6% | 24.5% | 32.1% |
| 2020–24 | 15.6% | 27.6% | 35.6% |
| Change | +3.6 pts | +6.2 pts | +7.2 pts |
Fewer adults in Marion County have a four-year degree than in the country as a whole: 15.6%, against 35.6% nationally. Since 2006–10, the share with a degree has risen 3.6 points, 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 Marion County
| Period | Marion County | Kentucky | U.S. |
|---|---|---|---|
| 2006–10 | 78.3% | 81.7% | 84.9% |
| 2010–14 | 80.9% | 83.9% | 86.1% |
| 2015–19 | 81.0% | 86.4% | 87.7% |
| 2020–24 | 87.3% | 88.8% | 89.3% |
| Change | +9.0 pts | +7.2 pts | +4.3 pts |
About one in eight adults in Marion County never finished high school, a bit more than nationally: 87.3% have a diploma or equivalent, against 89.3% across the U.S. That is in line with the rest of Kentucky. The share with a diploma is up 9.0 points from 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 Marion County
| Period | Marion County | Kentucky | U.S. |
|---|---|---|---|
| 2006–10 | 5.8% | 8.4% | 8.1% |
| 2010–14 | 10.3% | 9.5% | 9.4% |
| 2015–19 | 9.0% | 5.8% | 5.6% |
| 2020–24 | 4.0% | 5.1% | 5.4% |
| Change | −1.8 pts | −3.3 pts | −2.7 pts |
Jobs have been easier to find in Marion County than nationally: unemployment was 4.0%, against 5.4%. Since 2006–10, unemployment has fallen 1.8 points, in line with the national trend. 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).
Marion 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| Marion County | 2.50 | 40.7 | 12.6% | 22.3% | 9.4% | 1985 | $717 | 15.6% | 87.3% | 4.0% |
| Larue County | 2.50 | 42.2 | 11.5% | 20.6% | 10.2% | 1983 | $896 | 15.7% | 86.4% | 1.2% |
| Boyle County | 2.31 | 40.7 | 11.5% | 32.0% | 8.9% | 1977 | $771 | 25.6% | 91.4% | 6.3% |
| Lincoln County | 2.54 | 41.2 | 14.4% | 23.6% | 11.3% | 1987 | $765 | 15.7% | 83.4% | 7.1% |
| Garrard County | 2.64 | 42.1 | 9.6% | 20.1% | 8.2% | 1985 | $834 | 18.5% | 85.3% | 5.6% |
| Grayson County | 2.63 | 40.6 | 10.7% | 25.4% | 18.7% | 1987 | $731 | 16.1% | 84.7% | 6.8% |
| Jackson County | 2.59 | 41.3 | 8.2% | 22.6% | 12.8% | 1991 | $788 | 9.5% | 76.2% | 4.4% |
| Lee County | 2.40 | 43.4 | 11.9% | 22.3% | 17.2% | 1985 | $548 | 9.2% | 75.6% | 5.8% |
| Ohio County | 2.61 | 39.9 | 11.6% | 22.8% | 10.8% | 1984 | $809 | 14.0% | 85.2% | 4.9% |
| Owsley County | 2.51 | 47.4 | 8.9% | 29.9% | 23.4% | 1991 | $515 | 7.4% | 68.5% | 14.3% |
| Breathitt County | 2.40 | 43.4 | 12.1% | 23.4% | 16.9% | 1990 | $577 | 16.2% | 80.7% | 9.3% |
All figures 2020–24.
Counties with similar populations: Barceloneta Municipio, PR · Bleckley County, GA · Benton County, TN · Ben Hill County, GA · Beckham County, OK · Bayfield County, WI · Bath County, KY · Bates County, MO · Barton County, MO · Barnwell County, SC
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 Marion 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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