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Jefferson city, IA

ZIP 50129 — People & Community

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

Working ClassLow Snow Area

Demographics, education attainment, health access, and community lifestyle

Population & Demographics in 50129

50129 has a population of 5,116 with a median age of 46.8 yrs (48.5% male).

Race & Ethnicity
White
94.2%+53% vs US avg
x
Black
0.2%-98% vs US avg
x
Asian
0.0%
x
Hispanic
4.4%-77% vs US avg
x
Other / Two+
1.2%
x
Age Groups
0–17
18.3%-17% vs US avg
x
18–64
53.5%-13% vs US avg
x
65+
28.2%+73% vs US avg
x
Education
Less than HS
7.6%-32% vs US avg
x
High school
28.7%+10% vs US avg
x
Some college
41.9%+45% vs US avg
x
Bachelor's+
21.8%-35% vs US avg
x
Marital Status
Married
52.0%+8% vs US avg
x
Never married
22.1%-35% vs US avg
x
Divorced
15.3%+48% vs US avg
x
Widowed / Separated
10.6%
x
Diversity Index
11/100

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

Social & household profile

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

Poverty Rate
8.2%-29% vs US avg
x
Foreign Born
22.3%+61% vs US avg
x
Veterans
10.1%+69% vs US avg
x
Disability
18.9%+41% vs US avg
x
Single Parent
5.2%-36% vs US avg
x
Recent Births
11.5%+98% vs US avg
x
Top ancestry
GermanEnglishIrish

Health & Community Indicators in 50129

Poverty Rate
8.2%-29% vs US avg
x
Veterans
10.1%+69% vs US avg
x
Foreign Born
22.3%+61% vs US avg
x
Single Parent
5.2%-36% vs US avg
x
Disability
18.9%+41% vs US avg
x
Uninsured
1.2%-85% vs US avg
x
SNAP Benefits
10.9%-6% vs US avg
x
Private School
0.0%
x
Recent Births
11.5%+98% vs US avg
x
Smartphone Only
0.0%
x

People & Community key statistics

Population statistics
Population
Population5,116
Median age46.8
Poverty rate8.2%
Demographics statistics
Demographics
White94.2%
Hispanic4.4%
Black0.2%
Asian0.0%
Foreign-born22.3%