Population 42,614 · Census ACS 2020–24
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Median age by neighborhoodHistory and comparison ↓︎
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Population and households in Marion
Household size in Marion
| Period | Marion | Iowa | U.S. |
|---|---|---|---|
| 2006–10 | 2.48 | 2.44 | 2.68 |
| 2010–14 | 2.51 | 2.45 | 2.73 |
| 2015–19 | 2.49 | 2.43 | 2.71 |
| 2020–24 | 2.51 | 2.43 | 2.65 |
| Change | +0.03 | −0.01 | −0.03 |
Households in Marion run a little small, averaging 2.51 people against 2.65 nationally, which usually means more singles and couples and fewer children. Iowa as a whole looks much the same. Households are largest in the northwest and smallest in the southwest.
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
| Period | Marion | Iowa | U.S. |
|---|---|---|---|
| 2006–10 | 37.6 | 38.8 | 37.7 |
| 2010–14 | 38.4 | 39.3 | 38.6 |
| 2015–19 | 40.0 | 39.7 | 39.6 |
| 2020–24 | 41.3 | 39.8 | 40.1 |
| Change | +3.7 | +1.0 | +2.3 |
At 41.3, the median age in Marion is close to the national median of 40.1, so its age mix looks much like the country's. The population here is older than in Iowa overall, where the median age is 39.8. Since 2006–10, the median age has climbed from 37.6, as it has nationally.
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
| Period | Marion | Iowa | U.S. |
|---|---|---|---|
| 2006–10 | 10.3% | 9.5% | 12.3% |
| 2010–14 | 9.7% | 9.9% | 12.3% |
| 2015–19 | 9.1% | 10.0% | 11.6% |
| 2020–24 | 10.5% | 10.0% | 11.6% |
| Change | +0.2 pts | +0.6 pts | −0.6 pts |
Single-parent households are a bit less common in Marion than nationally: 10.5%, against 11.6%. That is in line with the rest of Iowa.
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
Renters in Marion
| Period | Marion | Iowa | U.S. |
|---|---|---|---|
| 2006–10 | 24.8% | 26.8% | 33.3% |
| 2010–14 | 23.2% | 28.2% | 35.6% |
| 2015–19 | 21.7% | 28.9% | 36.0% |
| 2020–24 | 22.2% | 28.3% | 34.8% |
| Change | −2.6 pts | +1.5 pts | +1.5 pts |
Marion is largely a place of homeowners: only 22.2% of households rent, far below the national share of 34.8%. Owner-heavy areas like this tend to see less turnover. About a third of owners (33.2%) have paid off their mortgages, below the national share of 39.8%. The renter share is down 2.6 points from 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 Marion
| Period | Marion | Iowa | U.S. |
|---|---|---|---|
| 2006–10 | 4.7% | 8.7% | 11.4% |
| 2010–14 | 5.5% | 8.6% | 11.4% |
| 2015–19 | 6.2% | 9.4% | 11.1% |
| 2020–24 | 7.2% | 8.8% | 9.6% |
| Change | +2.5 pts | +0.1 pts | −1.8 pts |
Fewer homes sit empty in Marion than nationally: 7.2%, against 9.6% for the U.S. Vacancy has risen 2.5 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 Marion
| Period | Marion | Iowa | U.S. |
|---|---|---|---|
| 2006–10 | 1984 | 1965 | 1974 |
| 2010–14 | 1986 | 1967 | 1975 |
| 2015–19 | 1989 | 1969 | 1977 |
| 2020–24 | 1990 | 1971 | 1980 |
| Change | +6 | +6 | +6 |
Marion has newer housing than the country as a whole: the median home was built in 1990, versus 1980 nationally. The median year built has moved up from 1984 in 2006–10, a sign of steady new building. Newer construction is concentrated in the northwest, while the center 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 Marion
| Period | Marion | Iowa | U.S. |
|---|---|---|---|
| 2006–10 | $789 | $669 | $965 |
| 2010–14 | $773 | $732 | $1,040 |
| 2015–19 | $791 | $821 | $1,213 |
| 2020–24 | $1,057 | $1,020 | $1,571 |
| Change | +$268 | +$351 | +$606 |
The median renter in Marion pays $1,057 a month for rent and utilities, well below the national median of $1,571. Rents are up $268 a month from 2006–10, a 34% rise, a slower climb than the nation's. Rent takes 33.8% of the typical renter's income, well over the 30% mark often used to define affordable rent, so many renters here are stretched. Rents run highest in the center and lowest in the west.
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
Bachelor's degrees in Marion
| Period | Marion | Iowa | U.S. |
|---|---|---|---|
| 2006–10 | 37.3% | 26.5% | 28.4% |
| 2010–14 | 36.5% | 27.9% | 29.6% |
| 2015–19 | 37.7% | 29.3% | 32.1% |
| 2020–24 | 38.2% | 32.3% | 35.6% |
| Change | +0.9 pts | +5.8 pts | +7.2 pts |
Nearly four in ten adults 25 and older in Marion (38.2%) hold at least a bachelor's degree, close to the national share of 35.6%. The share is higher than in Iowa as a whole (32.3%). Since 2006–10, the share with a degree has edged up 0.9 points, a smaller shift than 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 Marion
| Period | Marion | Iowa | U.S. |
|---|---|---|---|
| 2006–10 | 95.6% | 90.4% | 84.9% |
| 2010–14 | 96.2% | 91.4% | 86.1% |
| 2015–19 | 96.9% | 92.1% | 87.7% |
| 2020–24 | 96.4% | 93.0% | 89.3% |
| Change | +0.8 pts | +2.7 pts | +4.3 pts |
High school completion is high in Marion: 96.4% of adults 25 and older have a diploma or equivalent, well above the national rate of 89.3%. The share with a diploma is up 0.8 points from 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 Marion
| Period | Marion | Iowa | U.S. |
|---|---|---|---|
| 2006–10 | 5.1% | 5.2% | 8.1% |
| 2010–14 | 4.6% | 5.4% | 9.4% |
| 2015–19 | 3.3% | 3.7% | 5.6% |
| 2020–24 | 3.6% | 3.7% | 5.4% |
| Change | −1.6 pts | −1.5 pts | −2.7 pts |
Jobs have been easier to find in Marion than nationally: unemployment was 3.6%, against 5.4%. Unemployment is down 1.6 points from 2006–10, mirroring the country. 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).
Marion 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| Marion | 2.51 | 41.3 | 10.5% | 22.2% | 7.2% | 1990 | $1,057 | 38.2% | 96.4% | 3.6% |
| Troy Mills | 2.70 | 43.0 | 5.1% | 8.7% | 5.2% | 2008 | $1,134 | 50.7% | 98.4% | 3.1% |
| Robins | 2.79 | 46.0 | 11.9% | 5.8% | 1.1% | 2002 | $1,086 | 55.8% | 98.7% | 5.5% |
| Hiawatha | 2.58 | 34.8 | 19.9% | 35.3% | 7.2% | 1986 | $955 | 29.9% | 94.1% | 4.1% |
| Cedar Rapids | 2.37 | 38.9 | 11.7% | 30.5% | 9.2% | 1975 | $1,091 | 32.7% | 93.9% | 3.5% |
| Bertram | 2.57 | 58.9 | 1.8% | 2.8% | 11.6% | 1987 | $970 | 52.9% | 97.7% | 2.3% |
| Springville | 2.45 | 43.8 | 10.0% | 14.3% | 8.7% | 1978 | $1,071 | 26.5% | 96.2% | 3.1% |
| Whittier | 2.44 | 43.1 | 7.7% | 14.9% | 8.2% | 1991 | $1,037 | 27.8% | 95.8% | 1.2% |
| Alburnett | 2.36 | 46.4 | 10.1% | 13.7% | 5.0% | 1965 | $796 | 28.1% | 96.3% | 0.6% |
| Toddville | 2.75 | 46.2 | 7.1% | 7.1% | 10.2% | 1980 | $1,202 | 34.2% | 97.3% | 2.1% |
| Lafayette | 2.34 | 46.1 | 10.0% | 14.5% | 4.2% | 1966 | $755 | 28.1% | 96.6% | 0.5% |
All figures 2020–24.
Cities with similar populations: Spanish Fork, UT · Lancaster, TX · Laurel, MD · Meadow Woods, FL · Moline, IL · Morrisville, NC · North Atlanta, GA · North Augusta, SC · North Brunswick, NJ · Pahrump, NV
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. 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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