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ZIP CODE TABULATION AREA

50311

Iowa · 14,574 residents · 2.55 sq mi
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ZIP 50311 is home to 14,574 people in Polk County. This skews young, with a median age of 30.8. 48% of homes are owner-occupied. There are 5,711 people per square mile. People stay put here: 75% were in the same home a year ago. Households here earn about 26% less than in Polk County as a whole. Among the 31 ZIP codes in Polk County, 50311 ranks 27th by median household income.

Population
14,574
Median income
$61,957
US average: $82,259
Per capita income
$35,633
US average: $44,673
Median home value
$226,500
US average: $376,019
Bachelor's+
43.5%
US average: 35.6%
Land area
2.55 sq mi
Age, sex & households
Median age
30.8
Under 18
16.4%
Age 65+
10.7%
Male
49.9%
Female
50.1%
Avg household
1.99 people
Race & ethnicity · 2024
2024
White, non-Hispanic71.1%(10,365)
Black10.8%(1,572)
Hispanic / Latino7.6%(1,107)
Asian3.8%(551)
Other6.7%(979)
Diversity Score
59
Our index, 0 to 100. Higher means a more even mix of racial and ethnic groups.
Housing
Owner-occupied
48.4%
Renter-occupied
51.6%
Median gross rent
$1,029
Median year built
1938
Afford Score
3.7
Years of local income it takes to buy a local home, on a scale of about 0 to 15. Lower is more affordable.
Within Polk County
Income rank vs other ZIPs
LOWEST27TH OF 31HIGHEST
Adjacent ZIPs
50007$120,417
50009$88,447
50021$99,572
50023$117,826
Frequently asked

How many people live in ZIP code 50311?

ZIP code 50311 has about 14,574 residents according to the 2024 American Community Survey.

What is the median household income in ZIP code 50311?

The typical household in ZIP code 50311 earns about $61,957 a year. Half of households make more than that, and half make less.

Is ZIP code 50311 expensive?

In ZIP code 50311, the median home is worth about $226,500, and the typical rent is about $1,029 a month.

How educated are people in ZIP code 50311?

About 43.5% of adults age 25 and over in ZIP code 50311 hold a bachelor's degree or higher.

What is the poverty rate in ZIP code 50311?

About 18.8% of people in ZIP code 50311 live below the federal poverty line.

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Containing area
Polk County

DATA: US CENSUS BUREAU ACS 5-YEAR · ZCTA · UPDATED 2024