51301, IA Demographics

Population 12,465 · Census ACS 2020–24

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51301, IA map of median age by neighborhood
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Population and households in ZIP 51301

Household size in ZIP 51301

Household size, people per household
PeriodZIP 51301IowaU.S.
2006–102.142.442.68
2010–142.222.452.73
2015–192.182.432.71
2020–242.192.432.65
Change+0.05−0.01−0.03
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Households in ZIP 51301 are small: just 2.19 people on average, compared with 2.65 nationally. That is typical of places where many people live alone or as couples, and fewer have children at home. Household size has crept up from 2.14 in 2006–10, 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 51301

Median age, years
PeriodZIP 51301IowaU.S.
2006–1041.438.837.7
2010–1442.539.338.6
2015–1943.639.739.6
2020–2442.839.840.1
Change+1.4+1.0+2.3
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The median resident of ZIP 51301 is 42.8 years old, a bit older than the national median of 40.1. The median age has climbed from 41.4 in 2006–10, 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 ZIP 51301

Single-parent households, % of households
PeriodZIP 51301IowaU.S.
2006–109.8%9.5%12.3%
2010–149.4%9.9%12.3%
2015–1913.5%10.0%11.6%
2020–246.5%10.0%11.6%
Change−3.4 pts+0.6 pts−0.6 pts
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Single parents head only 6.5% of households in ZIP 51301, well below the national share of 11.6%. The single-parent share is down 3.4 points from 2006–10, a much bigger shift than nationally. ZIP 51301 has a lower share of single-parent households than at least four in five Iowa ZIP codes.

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 51301

Renters in ZIP 51301

Renters, % of occupied homes
PeriodZIP 51301IowaU.S.
2006–1032.2%26.8%33.3%
2010–1428.2%28.2%35.6%
2015–1935.2%28.9%36.0%
2020–2430.0%28.3%34.8%
Change−2.2 pts+1.5 pts+1.5 pts
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Most households in ZIP 51301 own their homes; 30.0% rent, a little below the national share of 34.8%. Among homeowners, 44.9% have no mortgage at all, above the national share of 39.8%. Rentals cluster in the south; owners are most common in the west. The renter share is down 2.2 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 51301

Vacant homes, % of all homes
PeriodZIP 51301IowaU.S.
2006–108.4%8.7%11.4%
2010–1411.4%8.6%11.4%
2015–1912.2%9.4%11.1%
2020–2410.4%8.8%9.6%
Change+1.9 pts+0.1 pts−1.8 pts
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Vacancy in ZIP 51301 is close to the national rate: 10.4% of homes are empty, against 9.6%. The rate is higher than in Iowa as a whole (8.8%). Vacancy is up 1.9 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 51301

Age of homes, median year built
PeriodZIP 51301IowaU.S.
2006–10196219651974
2010–14196419671975
2015–19196219691977
2020–24196619711980
Change+4+6+6
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ZIP 51301 is a place of older homes: half were built before 1966, while the national median is 1980. That means established neighborhoods, and more houses that may need updating. The median year built has moved up from 1962 in 2006–10, a sign of steady new building. Newer construction is concentrated in the south, while the east 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 ZIP 51301

Rent, per month
PeriodZIP 51301IowaU.S.
2006–10$500$669$965
2010–14$627$732$1,040
2015–19$758$821$1,213
2020–24$782$1,020$1,571
Change+$282+$351+$606
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A typical rental in ZIP 51301 costs $782 a month with utilities, well below the national median of $1,571. Rent has climbed $282 a month since 2006–10, up 56%, a slower climb than the nation's. Rent takes 32.2% of the typical renter's income, just over the 30% mark often used to define affordable rent. Renters on a budget will find the lowest rents in the west; the highest are in the east.

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 51301

Bachelor's degrees in ZIP 51301

Bachelor's degrees, % of adults 25+
PeriodZIP 51301IowaU.S.
2006–1019.0%26.5%28.4%
2010–1418.2%27.9%29.6%
2015–1923.3%29.3%32.1%
2020–2428.9%32.3%35.6%
Change+9.8 pts+5.8 pts+7.2 pts
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College degrees are less common in ZIP 51301 than nationally: 28.9% of adults 25 and older have a bachelor's or higher, against 35.6%. The share with a degree is up 9.8 points from 2006–10, as it has nationally. College graduates are most concentrated in the west and least in the east.

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 51301

High school graduates, % of adults 25+
PeriodZIP 51301IowaU.S.
2006–1090.9%90.4%84.9%
2010–1493.8%91.4%86.1%
2015–1994.9%92.1%87.7%
2020–2492.5%93.0%89.3%
Change+1.6 pts+2.7 pts+4.3 pts
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About nine in ten adults in ZIP 51301 have finished high school (92.5%), above the national rate of 89.3%. Iowa as a whole looks much the same. The share with a diploma is up 1.6 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 51301

Unemployment, % of the labor force
PeriodZIP 51301IowaU.S.
2006–104.1%5.2%8.1%
2010–144.6%5.4%9.4%
2015–194.1%3.7%5.6%
2020–244.0%3.7%5.4%
Change−0.1 pts−1.5 pts−2.7 pts
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Unemployment in ZIP 51301 runs below the national rate: 4.0% of the labor force was out of work and looking, against 5.4% nationally. The picture is much the same across Iowa. 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 51301 compared with nearby ZIP codes

ZIP codeHousehold sizeMedian ageSingle parentsRentersVacant homesMedian year builtMedian rentBachelor's degreeHigh school diplomaUnemployment
ZIP 513012.1942.86.5%30.0%10.4%1966$78228.9%92.5%4.0%
ZIP 513402.3453.33.8%7.3%14.4%1955$85018.4%95.0%0.5%
ZIP 513332.4949.45.5%15.7%14.6%1955$90022.8%94.6%0.4%
ZIP 513572.5138.25.9%21.6%11.5%1939$89214.1%95.4%2.1%
ZIP 513382.3744.87.2%15.7%17.7%1953$76621.8%96.1%3.6%
ZIP 513432.9138.91.6%7.3%22.5%1938$90026.0%93.8%0.4%
ZIP 513412.9339.01.4%6.5%23.0%1938$90026.6%93.8%0.3%
ZIP 513582.3644.67.6%16.7%23.8%1959$69825.0%95.2%0.8%
ZIP 513462.3044.16.9%18.4%12.2%1958$80420.9%91.7%2.1%
ZIP 505151.9859.37.4%9.0%38.9%1955$71531.5%97.3%2.4%
ZIP 513422.3342.86.2%18.0%10.9%1956$56615.4%93.4%1.2%

All figures 2020–24.

Zip codes with similar populations: 78256, TX · 28748, NC · 29180, SC · 29829, SC · 32643, FL · 40108, KY · 45229, OH · 45648, OH · 75244, TX · 78225, TX

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 51301. 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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