52031, IA Demographics

Population 5,585 · Census ACS 2020–24

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52031, IA map of median age by neighborhood
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Population and households in ZIP 52031

Household size in ZIP 52031

Household size, people per household
PeriodZIP 52031IowaU.S.
2006–102.402.442.68
2010–142.422.452.73
2015–192.372.432.71
2020–242.542.432.65
Change+0.14−0.01−0.03
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The average household in ZIP 52031 has 2.54 people, a bit under the U.S. average of 2.65. Still, the typical household here is bigger than in Iowa overall, where it has 2.43 people. Since 2006–10, household size has climbed from 2.40, even as the national average fell.

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 ZIP 52031

Median age, years
PeriodZIP 52031IowaU.S.
2006–1043.738.837.7
2010–1445.939.338.6
2015–1943.639.739.6
2020–2444.239.840.1
Change+0.5+1.0+2.3
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ZIP 52031 skews older: half of its residents are older than 44.2, well above the national median of 40.1. That usually means more empty nesters and retirees, and fewer young families. The median age has crept up from 43.7 in 2006–10, a smaller shift than 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 ZIP 52031

Single-parent households, % of households
PeriodZIP 52031IowaU.S.
2006–105.2%9.5%12.3%
2010–147.2%9.9%12.3%
2015–194.7%10.0%11.6%
2020–245.8%10.0%11.6%
Change+0.6 pts+0.6 pts−0.6 pts
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Single parents head only 5.8% of households in ZIP 52031, well below the national share of 11.6%. The single-parent share has edged up 0.6 points since 2006–10, even as the national share fell. Only 13 of the 145 Iowa ZIP codes with 5,000+ people have a lower share of single-parent households.

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 ZIP 52031

Renters in ZIP 52031

Renters, % of occupied homes
PeriodZIP 52031IowaU.S.
2006–1017.9%26.8%33.3%
2010–1419.1%28.2%35.6%
2015–1914.9%28.9%36.0%
2020–2415.4%28.3%34.8%
Change−2.5 pts+1.5 pts+1.5 pts
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ZIP 52031 is largely a place of homeowners: only 15.4% of households rent, far below the national share of 34.8%. Owner-heavy areas like this tend to see less turnover. Among homeowners, 43.1% have no mortgage at all, above the national share of 39.8%. The renter share is down 2.5 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 ZIP 52031

Vacant homes, % of all homes
PeriodZIP 52031IowaU.S.
2006–109.8%8.7%11.4%
2010–1413.2%8.6%11.4%
2015–1917.3%9.4%11.1%
2020–2413.0%8.8%9.6%
Change+3.2 pts+0.1 pts−1.8 pts
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More homes sit empty in ZIP 52031 than nationally: 13.0%, against 9.6%. The count includes vacation homes and homes between owners or tenants, not just abandoned ones. Vacancy is up 3.2 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 ZIP 52031

Age of homes, median year built
PeriodZIP 52031IowaU.S.
2006–10196119651974
2010–14196219671975
2015–19196519691977
2020–24197219711980
Change+11+6+6
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Homes in ZIP 52031 run older than the national norm, with a median build year of 1972 against 1980. The median year built has moved up from 1961 in 2006–10, a sign of steady new building. The newest homes are mostly in the south, the oldest in the east.

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 ZIP 52031

Rent, per month
PeriodZIP 52031IowaU.S.
2006–10$639$669$965
2010–14$698$732$1,040
2015–19$739$821$1,213
2020–24$851$1,020$1,571
Change+$212+$351+$606
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A typical rental in ZIP 52031 costs $851 a month with utilities, well below the national median of $1,571. Rents are up $212 a month from 2006–10, a 33% rise, a slower climb than the nation's. Rent takes 29.3% of the typical renter's income, just under the 30% mark often used to define affordable rent. Renters on a budget will find the lowest rents in the center; the highest are in the northwest.

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 ZIP 52031

Bachelor's degrees in ZIP 52031

Bachelor's degrees, % of adults 25+
PeriodZIP 52031IowaU.S.
2006–1020.0%26.5%28.4%
2010–1417.5%27.9%29.6%
2015–1925.5%29.3%32.1%
2020–2423.8%32.3%35.6%
Change+3.8 pts+5.8 pts+7.2 pts
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College degrees are relatively uncommon in ZIP 52031: 23.8% of adults 25 and older hold a bachelor's or higher, well below the national share of 35.6%. The share with a degree is up 3.8 points from 2006–10, mirroring the country. College graduates are most concentrated in the north 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 ZIP 52031

High school graduates, % of adults 25+
PeriodZIP 52031IowaU.S.
2006–1089.0%90.4%84.9%
2010–1490.5%91.4%86.1%
2015–1991.3%92.1%87.7%
2020–2494.4%93.0%89.3%
Change+5.4 pts+2.7 pts+4.3 pts
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High school completion is high in ZIP 52031: 94.4% of adults 25 and older have a diploma or equivalent, well above the national rate of 89.3%. That is in line with the rest of Iowa. The share with a diploma is up 5.4 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 ZIP 52031

Unemployment, % of the labor force
PeriodZIP 52031IowaU.S.
2006–101.5%5.2%8.1%
2010–144.0%5.4%9.4%
2015–191.1%3.7%5.6%
2020–240.9%3.7%5.4%
Change−0.6 pts−1.5 pts−2.7 pts
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Unemployment in ZIP 52031 has been low: just 0.9% of the labor force was out of work and looking, well below the national rate of 5.4%. Of the 145 Iowa ZIP codes with 5,000+ people, only four have lower unemployment. 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).

ZIP 52031 compared with nearby ZIP codes

ZIP codeHousehold sizeMedian ageSingle parentsRentersVacant homesMedian year builtMedian rentBachelor's degreeHigh school diplomaUnemployment
ZIP 520312.5444.25.8%15.4%13.0%1972$85123.8%94.4%0.9%
ZIP 520542.4546.95.8%8.1%22.1%1979$79721.1%89.5%2.3%
ZIP 610412.1843.112.2%25.4%16.5%1962$75621.3%89.5%5.9%
ZIP 520302.3048.33.1%7.4%6.5%1977$91919.6%90.3%4.3%
ZIP 520742.6539.36.8%21.2%5.1%1958$92311.3%95.1%0.8%
ZIP 520792.2250.03.6%4.3%2.7%1978$88917.6%94.2%8.7%
ZIP 610282.0251.57.5%20.9%24.5%1955$82930.6%89.7%3.7%
ZIP 520322.5144.33.8%6.5%12.8%1975$94612.1%90.3%5.4%
ZIP 610852.1743.716.4%20.4%8.1%1964$73318.6%92.7%7.3%
ZIP 523092.3347.55.3%12.0%13.5%1960$87810.0%93.5%5.2%
ZIP 610532.1643.512.8%25.9%18.2%1950$77821.1%93.6%4.5%

All figures 2020–24.

Zip codes with similar populations: 01005, MA · 08049, NJ · 07632, NJ · 07014, NJ · 06524, CT · 06378, CT · 06248, CT · 06237, CT · 05676, VT · 05465, VT

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 ZIP 52031. 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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