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Spencer city, IA

ZIP 51301 — People & Community

Source: U.S. Census Bureau ACS 2019–2023 5-Year Estimates. Page data updated 2026-08-02.

Middle ClassLow Snow Area

Demographics, education attainment, health access, and community lifestyle

Population & Demographics in 51301

51301 has a population of 12,402 with a median age of 41.5 yrs (48.1% male).

Race & Ethnicity
White
93.8%+52% vs US avg
x
Black
0.6%-95% vs US avg
x
Asian
0.4%-94% vs US avg
x
Hispanic
5.1%-73% vs US avg
x
Age Groups
0–17
22.9%+4% vs US avg
x
18–64
55.2%-11% vs US avg
x
65+
21.9%+35% vs US avg
x
Education
Less than HS
4.9%-56% vs US avg
x
High school
33.1%+26% vs US avg
x
Some college
34.5%+19% vs US avg
x
Bachelor's+
27.6%-18% vs US avg
x
Marital Status
Married
48.4%+1% vs US avg
x
Never married
31.4%-7% vs US avg
x
Divorced
13.3%+29% vs US avg
x
Widowed / Separated
6.8%
x
Diversity Index
12/100

Higher = more diverse (Simpson index from race/ethnicity)

Social & household profile

Poverty, nativity, veterans, disability, family structure, and births (ACS).

Poverty Rate
13.0%+13% vs US avg
x
Foreign Born
10.5%-24% vs US avg
x
Veterans
8.0%+33% vs US avg
x
Disability
15.3%+14% vs US avg
x
Single Parent
12.0%+48% vs US avg
x
Recent Births
31.8%+448% vs US avg
x
Top ancestry
GermanNorwegianIrish

Health & Community Indicators in 51301

Poverty Rate
13.0%+13% vs US avg
x
Veterans
8.0%+33% vs US avg
x
Foreign Born
10.5%-24% vs US avg
x
Single Parent
12.0%+48% vs US avg
x
Disability
15.3%+14% vs US avg
x
Uninsured
4.9%-39% vs US avg
x
SNAP Benefits
12.0%+3% vs US avg
x
Private School
0.2%-98% vs US avg
x
Recent Births
31.8%+448% vs US avg
x
Smartphone Only
0.0%
x

People & Community key statistics

Population statistics
Population
Population12,402
Median age41.5
Poverty rate13.0%
Demographics statistics
Demographics
White93.8%
Hispanic5.1%
Black0.6%
Asian0.4%
Foreign-born10.5%