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ZIP Code 51301
Spencer, IA, Clay County
Population
12,638
Land area
157.7sq mi
People per sq mi
80
City
Spencer
ZIP 51301 and nearby ZIP codes
ZIP 51301 at a glance
- ZIP 51301 (Spencer) is 39% denser than Iowa as a whole.
- The median household income is $63,402, 16% below the Iowa median of $75,059.
- A typical owner-occupied home is valued at $188,300 (9% below Iowa) and median rent is $807 a month.
Local data for ZIP 51301
Counts from official public data
Housing and community stats
ZIP 51301, American Community Survey 2020-2024
Median household income
$63,402
Poverty rate
13.1%
Median home value
$188,300
Prices -1.0% in a year
Median rent
$807/mo
Homeownership
70.3%
Bachelor's or higher
29.0%
Median age
41.8
Average commute
16.2 min
Economy and federal money
Businesses, pandemic loans and political donations
Business establishments
483
ZIP Business Patterns 2023
Employees
6,534
$305M annual payroll
PPP loans
$51.2M
801 loans
Campaign donations
$54.4K
25% D, 38% R, 2026 cycle
Environment and hazard risk
ZIP 51301, from FEMA, NOAA and EPA
Natural hazard risk
Very Low
Top: hail
Storm events since 1996
893
Countywide, mostly hail
Flood insurance policies
133
1.8% of homes, county
July high / Jan low
84° / 7°F
31.0 inches of rain a year
Health statistics
Share of adults in ZIP 51301, CDC PLACES estimates
Obesity
35.5%
U.S. 33.3% +2.2 pts
Diabetes
12.4%
U.S. 12.1% about the same
Smoking
15.7%
U.S. 12.8% +2.9 pts
Uninsured (18-64)
7.1%
U.S. 11.1% -4.0 pts
Frequently asked questions
- What city is ZIP code 51301?
- ZIP code 51301 is in Spencer, IA (Clay County).
- What county is ZIP code 51301 in?
- ZIP code 51301 is mostly in Clay County, Iowa.
- How many people live in ZIP code 51301?
- About 12,638 people live in the 51301 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.