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Lewistown city, MT

ZIP 59457 — 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 59457

59457 has a population of 9,215 with a median age of 46.3 yrs (52.0% male).

Race & Ethnicity
White
93.0%+51% vs US avg
x
Black
0.7%-94% vs US avg
x
Asian
1.1%-81% vs US avg
x
Hispanic
2.6%-86% vs US avg
x
Other / Two+
2.6%
x
Age Groups
0–17
20.1%-9% vs US avg
x
18–64
55.3%-10% vs US avg
x
65+
24.7%+51% vs US avg
x
Education
Less than HS
5.7%-49% vs US avg
x
High school
33.6%+28% vs US avg
x
Some college
37.3%+29% vs US avg
x
Bachelor's+
23.3%-31% vs US avg
x
Marital Status
Married
54.8%+14% vs US avg
x
Never married
20.5%-39% vs US avg
x
Divorced
16.1%+56% vs US avg
x
Widowed / Separated
8.7%
x
Diversity Index
13/100

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

Social & household profile

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

Poverty Rate
15.1%+31% vs US avg
x
Foreign Born
29.4%+111% vs US avg
x
Veterans
13.1%+118% vs US avg
x
Disability
15.7%+17% vs US avg
x
Single Parent
8.3%+2% vs US avg
x
Recent Births
39.0%+572% vs US avg
x
Top ancestry
GermanEnglishAmerican

Health & Community Indicators in 59457

Poverty Rate
15.1%+31% vs US avg
x
Veterans
13.1%+118% vs US avg
x
Foreign Born
29.4%+111% vs US avg
x
Single Parent
8.3%+2% vs US avg
x
Disability
15.7%+17% vs US avg
x
Uninsured
15.1%+88% vs US avg
x
SNAP Benefits
8.4%-28% vs US avg
x
Private School
0.0%
x
Recent Births
39.0%+572% vs US avg
x
Smartphone Only
0.0%
x

People & Community key statistics

Population statistics
Population
Population9,215
Median age46.3
Poverty rate15.1%
Demographics statistics
Demographics
White93.0%
Hispanic2.6%
Black0.7%
Asian1.1%
Foreign-born29.4%