50521, IA Demographics

Population 94 · Census ACS 2020–24

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50521, IA map of median age by neighborhood
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Population and households in ZIP 50521

Household size in ZIP 50521

Household size, people per household
PeriodZIP 50521IowaU.S.
2006–102.522.442.68
2010–142.732.452.73
2015–192.592.432.71
2020–242.352.432.65
Change−0.17−0.01−0.03
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ZIP 50521 is a place of small households, averaging 2.35 people against 2.65 for the U.S., which points to many singles, couples and roommates and relatively few children. That is in line with the rest of Iowa. Since 2006–10, household size has dropped from 2.52, but in a place this small, survey estimates can swing a lot from one release to the next.

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 50521

Median age, years
PeriodZIP 50521IowaU.S.
2006–1046.738.837.7
2010–1443.839.338.6
2015–1935.739.739.6
2020–2443.939.840.1
Change−2.8+1.0+2.3
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The median resident of ZIP 50521 is 43.9 years old, older than the national median of 40.1.

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 50521

Single-parent households, % of households
PeriodZIP 50521IowaU.S.
2006–109.6%9.5%12.3%
2010–147.2%9.9%12.3%
2015–1925.7%10.0%11.6%
2020–242.9%10.0%11.6%
Change−6.7 pts+0.6 pts−0.6 pts
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Single parents head only 2.9% of households in ZIP 50521, well below the national share of 11.6%.

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 50521

Renters in ZIP 50521

Renters, % of occupied homes
PeriodZIP 50521IowaU.S.
2006–105.8%26.8%33.3%
2010–1416.8%28.2%35.6%
2015–1929.1%28.9%36.0%
2020–2417.3%28.3%34.8%
Change+11.5 pts+1.5 pts+1.5 pts
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Only 17.3% of households in ZIP 50521 rent their homes, far below the national share of 34.8%, so most residents are owners who tend to stay put. Among homeowners, 56.3% have no mortgage at all, well above the national share of 39.8%.

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 50521

Vacant homes, % of all homes
PeriodZIP 50521IowaU.S.
2006–108.0%8.7%11.4%
2010–143.9%8.6%11.4%
2015–1918.7%9.4%11.1%
2020–246.1%8.8%9.6%
Change−1.9 pts+0.1 pts−1.8 pts
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Fewer homes sit empty in ZIP 50521 than nationally: 6.1%, against 9.6% for the U.S.

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 50521

Age of homes, median year built
PeriodZIP 50521IowaU.S.
2006–10193819651974
2010–14196819671975
2015–19194619691977
2020–24193819711980
Change±0+6+6
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The housing in ZIP 50521 is old by national standards: the median home dates to 1938, against 1980 for the U.S., so buyers will find more older houses, some of them due for updates.

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 50521

Rent, per month
PeriodZIP 50521IowaU.S.
2006–10$760$669$965
2010–14$616$732$1,040
2015–19$803$821$1,213
2020–24$580$1,020$1,571
Change−$180+$351+$606
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A typical rental in ZIP 50521 costs $580 a month with utilities, well below the national median of $1,571. Rent takes 15.6% 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 ZIP 50521

Bachelor's degrees in ZIP 50521

Bachelor's degrees, % of adults 25+
PeriodZIP 50521IowaU.S.
2006–1010.9%26.5%28.4%
2010–1418.8%27.9%29.6%
2015–1915.8%29.3%32.1%
2020–2426.7%32.3%35.6%
Change+15.8 pts+5.8 pts+7.2 pts
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Just over a quarter of adults 25 and older in ZIP 50521 (26.7%) have a bachelor's degree or higher, below the national share of 35.6%.

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 50521

High school graduates, % of adults 25+
PeriodZIP 50521IowaU.S.
2006–1086.6%90.4%84.9%
2010–1494.0%91.4%86.1%
2015–1990.9%92.1%87.7%
2020–2490.0%93.0%89.3%
Change+3.4 pts+2.7 pts+4.3 pts
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High school completion in ZIP 50521 is close to the national rate: 90.0% of adults have a diploma or equivalent, against 89.3%. The rate is lower than in Iowa overall (93.0%).

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 50521

Unemployment, % of the labor force
PeriodZIP 50521IowaU.S.
2006–107.8%5.2%8.1%
2010–145.1%5.4%9.4%
2015–190.8%3.7%5.6%
2020–240.2%3.7%5.4%
Change−7.6 pts−1.5 pts−2.7 pts
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The job market in ZIP 50521 has been strong: just 0.2% of the labor force was out of work and looking, well below the national rate of 5.4%. 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 50521 compared with nearby ZIP codes

ZIP codeHousehold sizeMedian ageSingle parentsRentersVacant homesMedian year builtMedian rentBachelor's degreeHigh school diplomaUnemployment
ZIP 505212.3543.92.9%17.3%6.1%1938$58026.7%90.0%0.2%
ZIP 505572.4142.77.1%25.8%3.6%1951$65718.5%89.8%3.8%
ZIP 505691.9652.05.4%18.7%6.2%1960$63118.7%92.5%1.0%
ZIP 505302.1047.15.1%24.1%11.9%1950$54321.4%92.9%0.9%
ZIP 505442.2931.316.6%17.0%7.2%1938$64322.4%94.8%2.4%
ZIP 505322.0940.41.5%35.7%6.5%1958$77715.8%94.5%4.1%
ZIP 505232.7939.04.8%8.5%2.5%1938$47125.2%97.4%0.7%
ZIP 505432.5343.57.2%17.7%16.9%1948$70524.7%98.1%3.9%
ZIP 502492.1253.14.8%15.4%9.3%1962$59820.5%93.2%0.6%
ZIP 505662.4544.114.1%12.9%4.9%1942$62821.0%93.0%1.5%
ZIP 505382.5037.510.3%16.2%8.4%1959$91217.4%97.6%0.7%

All figures 2020–24.

Zip codes with similar populations: 79518, TX · 45870, OH · 46345, IN · 46786, IN · 46961, IN · 47381, IN · 47437, IN · 47457, IN · 47925, IN · 50102, IA

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 50521. 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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