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ZIP Code 50138
Knoxville, IA, Marion County
Population
11,117
Land area
168.1sq mi
People per sq mi
66
City
Knoxville
ZIP 50138 and nearby ZIP codes
ZIP 50138 at a glance
- The median household income is $74,693, close to the Iowa median.
- A typical owner-occupied home is valued at $196,700 (5% below Iowa) and median rent is $815 a month.
Local data for ZIP 50138
Counts from official public data
Housing and community stats
ZIP 50138, American Community Survey 2020-2024
Median household income
$74,693
Poverty rate
10.5%
Median home value
$196,700
Prices +8.8% in a year
Median rent
$815/mo
Homeownership
80.9%
Bachelor's or higher
28.0%
Median age
42.9
Average commute
23.5 min
Economy and federal money
Businesses, pandemic loans and political donations
Business establishments
240
ZIP Business Patterns 2023
Employees
3,841
$196M annual payroll
PPP loans
$21.5M
380 loans
Campaign donations
$20.9K
17% D, 35% R, 2026 cycle
Environment and hazard risk
ZIP 50138, from FEMA, NOAA and EPA
Natural hazard risk
Very Low
Top: drought
Storm events since 1996
852
Countywide, mostly thunderstorm wind
Flood insurance policies
9
0.1% of homes, county
July high / Jan low
85° / 13°F
37.4 inches of rain a year
Health statistics
Share of adults in ZIP 50138, CDC PLACES estimates
Obesity
41.1%
U.S. 33.3% +7.8 pts
Diabetes
11.6%
U.S. 12.1% -0.5 pts
Smoking
15.0%
U.S. 12.8% +2.2 pts
Uninsured (18-64)
6.2%
U.S. 11.1% -4.9 pts
Frequently asked questions
- What city is ZIP code 50138?
- ZIP code 50138 is in Knoxville, IA (Marion County).
- What county is ZIP code 50138 in?
- ZIP code 50138 is mostly in Marion County, Iowa.
- How many people live in ZIP code 50138?
- About 11,117 people live in the 50138 ZIP Code Tabulation Area, based on American Community Survey 5-year estimates.
Source: U.S. Census Bureau (ZIP Code Tabulation Areas, American Community Survey) · Data as of 12/31/2023. ZIP Code Tabulation Areas closely match, but are not identical to, USPS ZIP code delivery areas.