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Harlan city, IA

ZIP 51537 — 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 51537

51537 has a population of 6,480 with a median age of 44.2 yrs (50.0% male).

Race & Ethnicity
White
91.8%+49% vs US avg
x
Black
0.7%-94% vs US avg
x
Asian
0.0%
x
Hispanic
2.9%-84% vs US avg
x
Other / Two+
4.6%
x
Age Groups
0–17
23.6%+7% vs US avg
x
18–64
53.4%-13% vs US avg
x
65+
23.0%+41% vs US avg
x
Education
Less than HS
5.5%-50% vs US avg
x
High school
34.4%+31% vs US avg
x
Some college
36.2%+25% vs US avg
x
Bachelor's+
23.9%-29% vs US avg
x
Marital Status
Married
57.2%+19% vs US avg
x
Never married
23.8%-30% vs US avg
x
Divorced
8.8%-14% vs US avg
x
Widowed / Separated
10.2%
x
Diversity Index
15/100

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

Social & household profile

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

Poverty Rate
8.6%-25% vs US avg
x
Foreign Born
24.7%+78% vs US avg
x
Veterans
10.4%+73% vs US avg
x
Disability
8.5%-37% vs US avg
x
Single Parent
4.6%-43% vs US avg
x
Recent Births
22.8%+293% vs US avg
x
Top ancestry
GermanIrishDanish

Health & Community Indicators in 51537

Poverty Rate
8.6%-25% vs US avg
x
Veterans
10.4%+73% vs US avg
x
Foreign Born
24.7%+78% vs US avg
x
Single Parent
4.6%-43% vs US avg
x
Disability
8.5%-37% vs US avg
x
Uninsured
3.1%-62% vs US avg
x
SNAP Benefits
8.9%-24% vs US avg
x
Private School
0.0%
x
Recent Births
22.8%+293% vs US avg
x
Smartphone Only
0.0%
x

People & Community key statistics

Population statistics
Population
Population6,480
Median age44.2
Poverty rate8.6%
Demographics statistics
Demographics
White91.8%
Hispanic2.9%
Black0.7%
Asian0.0%
Foreign-born24.7%