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US ZIP Code Profile

ZIP Code 50321
Des Moines, Iowa

ZIP code 50321 is in Des Moines, located in Polk County, Iowa, within the Des Moines-West Des Moines metro area. Its 2020 Census population was 7,783. The estimated median adjusted gross income per tax return is $52,232, and about 10% of filers report $200,000 or more.

2020 Population
7,783
Census ZCTA
County
Polk
FIPS 19153
Median income (est.)
$52,232
IRS SOI 2022
Land Area
11.73 mi²
+ 0.218 mi² water

01Location & Geography

Authoritative geographic identifiers from the U.S. Census Bureau, ANSI, and FIPS standards.

Primary CityDes Moines, IA
CountyPolk County (FIPS 19153)
StateIowa (FIPS 19)
Metro Area (MSA)Des Moines-West Des Moines, IA Metro Area (19780)
Census Region / DivisionMidwest Region · West North Central Division
Coordinates41.534554, -93.662445
Land / Water Area11.73 mi² land · 0.218 mi² water

02Income & Economics

Distribution of the 3,760 individual tax returns filed in 50321 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
23.9%
$25K–$50K
24.7%
$50K–$75K
14.9%
$75K–$100K
8.2%
$100K–$200K
18.4%
$200K+
9.8%
The $200,000+ bracket accounts for 54% of 50321's total adjusted gross income, from 10% of returns — a concentration that drives the gap between the median ($52,232) and the average.
Estimated median = median adjusted gross income per tax return, interpolated from IRS SOI brackets. Differs from U.S. Census household income.

03Income Over Time

Year-over-year change in 50321's IRS income metrics, 2020–2022.

Median income (2021→2022)
$52,232
▲ 8.7%
Filers earning $200K+
9.8%
▲ 0.4 pt
Total filers
3,760
▼ 1.1%
GET /zipc/v2/zipcodes/50321/soi?year=… $46K 2020 $48K 2021 $52K 2022
Median = adjusted gross income per return, interpolated from IRS SOI brackets. Figures are nominal (not inflation-adjusted).

04Population Trend

Decennial U.S. Census population for the 50321 ZCTA.

2000
7,607
 
2010
7,846
▲ +3.1%
2020
7,783
▼ -0.8%

05Nearby ZIP Codes — Live Radius Search

Drag the slider to filter ZIP codes by distance from 50321. Powered by the same radius endpoint developers call from the API.

GET /zipc/v2/radius

ZIP codes within range of 50321

Des Moines and its immediate neighbors, sorted by distance.

3 mi
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Distance from 50321 to any ZIP

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06USPS Postal Details

Delivery and facility attributes from the monthly USPS dataset.

ZIP ClassificationNon-Unique Zip
Facility TypePost Office
Carrier Route SortD
USPS Finance Number182412
City AliasesDes Moines, South Des Moines

07Frequently Asked Questions

What county is ZIP code 50321 in?

ZIP code 50321 is in Polk County, Iowa (county FIPS code 19153).

What city is ZIP code 50321?

The primary USPS city for 50321 is Des Moines, IA.

What metro area (MSA) is 50321 in?

50321 is part of the Des Moines-West Des Moines, IA Metro Area (MSA code 19780).

What is the population of ZIP code 50321?

The 2020 Census population of 50321 was 7,783 residents.

What is the median income in ZIP code 50321?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 50321 is about $52,232, with around 10% of filers reporting $200,000 or more. Note that adjusted gross income is a tax measure and differs from U.S. Census household income.