59457 ZIP Code — Lewistown, MT

Fergus County, Montana

ZIP code 59457 is located in Lewistown, Montana, within Fergus County. It covers approximately 995.61 square miles and serves a population of 8,783 residents. This is a standard ZIP code in the Mountain (MT) timezone, served by area code 406.

About ZIP code 59457

The housing stock consists of predominantly single-family detached homes. Most homes were built in the pre-1940, giving the area an established character. Median home value is $178,100. Owner-occupancy sits near the national average at 65%.

Median household income is $57,579. 36% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 19 minutes is near the national average.

Educational attainment is near the national average, with 29% of residents holding a bachelor's degree or higher.

Notable community characteristics include a notable veteran presence at 14% of civilians, above the national average of 7%.

Overall, ZIP code 59457 reflects a community defined by a strong veteran community and a significant Social Security-dependent population.

8,783

population

995.61

sq mi land

Standard

ZIP type

Mountain (MT)

timezone

59457 ZIP code map

Cities in ZIP code 59457

Below are the cities the US Postal Service accepts for ZIP code 59457. Using any city not on this list may result in mail delivery delays.

City	Status
Lewistown	Acceptable
Lewistown	Preferred

Nearby ZIP codes

59464 Moore (11.6 mi) 59418 Buffalo (18.8 mi)

Demographics updated 06/2026

Population
Total population	8,783
Population density	9 / sq mi
State FIPS	30
County FIPS	027

Geography
Land area	995.61 sq mi
Water area	0.41 sq mi
Latitude	46.9474
Longitude	-109.3876
Timezone	Mountain (MT)
Area code	406

Total population by age

Gender

Race & ethnicity

Economics updated 06/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	52.3%	51.0%	44.2%
$50k – $100k	30.2%	31.1%	32.0%
$100k – $200k	15.3%	14.4%	19.2%
Over $200k	2.2%	3.5%	4.7%

Demographics & statistics

8,783

Population

People per sq mi

45.7

Median age

$57,579

Median household income

$34,252

Per capita income

$178,100

Median home value

$829

Median monthly rent

65.4%

Home ownership

14.7%

Poverty rate

3.8%

Unemployment

3,119

Housing units

29.0%

Bachelor's or higher

Age distribution

Male Female

204

Under 5

182

269

5–9

240

274

10–14

245

215

15–19

192

208

20–24

186

569

25–34

508

570

35–44

508

527

45–54

471

213

55–59

191

442

60–64

394

682

65–74

608

402

75–84

359

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	1,738	19.8%
18 and over	7,045	80.2%
65 and over	2,175	24.8%
Median age	45.7 years

Race & ethnicity

White 91.3%

Hispanic or Latino 2%

Asian 2%

Other race 1.7%

American Indian / Alaska Native 1.4%

Two or more races 1.1%

Black or African American 0.5%

Group	Count	%
White	8,186	91.3%
Hispanic or Latino	180	2%
Asian	175	2%
Other race	152	1.7%
American Indian / Alaska Native	125	1.4%
Two or more races	102	1.1%
Black or African American	43	0.5%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	52.3%	51.0%	44.2%
$50k – $100k	30.2%	31.1%	32.0%
$100k – $200k	15.3%	14.4%	19.2%
Over $200k	2.2%	3.5%	4.7%

Under $10k 4.5%

$10k–$15k 5.9%

$15k–$25k 7.2%

$25k–$35k 11.3%

$35k–$50k 14.4%

$50k–$75k 16.1%

$75k–$100k 20.7%

$100k–$150k 9.9%

$150k–$200k 5.4%

$200k+ 4.7%

Range	% of households
Under $10k	4.5%
$10k–$15k	5.9%
$15k–$25k	7.2%
$25k–$35k	11.3%
$35k–$50k	14.4%
$50k–$75k	16.1%
$75k–$100k	20.7%
$100k–$150k	9.9%
$150k–$200k	5.4%
$200k+	4.7%
Median income	$57,579

Housing

Home values

Under $50k 11.1%

$50k–$100k 14.1%

$100k–$150k 14.6%

$150k–$200k 17.5%

$200k–$300k 22.9%

$300k–$500k 12.3%

$500k–$1M 5.3%

$1M+ 2.2%

Housing overview

Metric	Value
Median home value	$178,100
Median rent / month	$829
Owner occupied	65.4%
Renter occupied	34.6%
Vacant	10.4%
Single-family detached	75.0%
Large apartment buildings	5.5%
Mobile homes	11.1%
Median rooms	5.5
Avg household size (owned)	2.18

Year built

Era	%
2020 or later	0.0%
2010–2019	4.5%
2000–2009	8.4%
1990–1999	13.7%
1980–1989	5.3%
1970–1979	10.0%
1960–1969	7.1%
1950–1959	8.9%
1940–1949	6.3%
1939 or earlier	35.9%

Bedrooms

Size	% of units
No bedroom (studio)	4.7%
1 bedroom	12.5%
2 bedrooms	30.4%
3 bedrooms	32.4%
4 bedrooms	11.5%
5+ bedrooms	8.6%

Vehicles per household

Vehicles	% of households
No vehicle	8.2%
1 vehicle	26.6%
2 vehicles	31.4%
3 or more	33.9%

Heating fuel

Fuel type	%
Utility gas	60.1%
Electricity	16.5%
Propane / LP gas	10.9%
Fuel oil	0.5%
Wood	6.8%
No fuel used	0.3%

Households & families

Household type	Count	%
Married-couple family	1,880	46.4%
Cohabiting couple	346	8.5%
Male householder, no spouse	971	24.0%
Female householder, no spouse	857	21.1%
Households with children under 18	992	24.5%
Households with seniors (65+)	1,424	35.1%
Average household size	2.09

Marital status

Status	Male	Female
Never married	23.5%	16.6%
Married	54.9%	54.6%
Separated	1.4%	1.9%
Widowed	6.8%	11.1%
Divorced	13.5%	15.8%

Education

Less than 9th grade 1.6%

Some HS, no diploma 3.8%

HS graduate 29.3%

Some college, no degree 26.1%

Associate's degree 10.2%

Bachelor's degree 23.5%

Graduate / professional 5.5%

Metric	%
HS diploma or higher	94.6%
Bachelor's or higher	29.0%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	46	3.0%
Kindergarten	128	8.2%
Elementary school	759	48.8%
High school	297	19.1%
College / grad school	325	20.9%

Employment

Industry of employment

Education & healthcare 23.2%

Retail trade 13.3%

Agriculture & mining 12.5%

Arts, food & hospitality 8.2%

Professional & management 7.6%

Other services 7.1%

Construction 7.0%

Transportation & utilities 6.5%

Wholesale trade 3.8%

Public administration 3.4%

Finance & real estate 3.3%

Manufacturing 2.1%

Information 1.9%

Occupation

Category	%
Management, business & arts	32.9%
Service	18.4%
Sales & office	17.0%
Natural resources & construction	19.0%
Production & transportation	12.8%

Employment type

Type	%
Private sector	78.2%
Government	10.4%
Self-employed	11.1%
Unpaid family workers	0.3%

Commute

Method	%
Drive alone	65.8%
Carpool	10.0%
Public transit	0.3%
Walk	7.7%
Work from home	12.8%
Other means	3.4%
Avg commute (minutes)	18.8

Poverty

All people 14.7%

Under 18 years 23.5%

18 and over 12.5%

Married-couple families 3.0%

Female-led households 52.2%

Income support

Source	% of households
Social Security	36.0%
Retirement income	25.7%
Supplemental Security	4.4%
Cash public assistance	4.3%
Food stamps / SNAP	8.4%

Health indicators

Condition	%
Obesity	30.1%
High blood pressure	33.7%
High cholesterol	33.6%
Diabetes	10.5%
Heart disease	8.2%
Stroke	3.8%
Asthma	10.0%
Arthritis	29.8%
Kidney disease	3.5%
Pulmonary disease	8.1%
Cancer	8.4%

Behavior / access	%
Smoking	16.8%
Binge drinking	19.0%
No physical activity	22.8%
Less than 7 hrs sleep	27.9%
Depression	22.3%
Fair or poor health	14.3%
Poor mental health	12.6%
Poor physical health	12.0%
No health insurance	11.9%
Visited doctor (checkup)	72.1%
Visited dentist	60.8%
Cholesterol screening	89.6%
Teeth loss	13.9%

Veterans & disability

Veterans	Count	%
Civilian veterans	966	13.7%

Disability	%
Any disability	15.4%
Under 18	5.1%
18–64 years	13.2%
65 and over	29.4%

Health insurance coverage

Type	%
Private insurance	59.7%
Public insurance	44.1%
No insurance	14.8%
Uninsured under 19	13.7%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	8,397	95.6%
Spanish	0	0.0%
Other Indo-European	0	0.0%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	8,622	98.2%
Born in same state	8,608	98.0%
Born in different state	5,372	61.2%
Foreign born	14	0.2%
Naturalized citizen	161	1.8%
Not a US citizen	157	97.5%

Ancestry

Ancestry	Count	%
Italian	1,022	11.6%
French	1,020	11.6%
Arab	932	10.6%
Polish	786	8.9%
English	114	1.3%

Ancestry	Count	%
German	62	0.7%
Dutch	44	0.5%
Irish	33	0.4%
Norwegian	3	0%

Technology access

Metric	% of households
Computer access	46.2%
Internet access	94.2%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions about ZIP code 59457

What city is ZIP code 59457 in?

ZIP code 59457 is primarily assigned to Lewistown, Montana.

What county is ZIP code 59457 in?

ZIP code 59457 falls within Fergus County, Montana.

Does ZIP code 59457 have a large veteran population?

14% of civilians in ZIP code 59457 are veterans, above the national average of ~7%.

Does ZIP code 59457 have a large retiree population?

36% of households in ZIP code 59457 receive Social Security income, suggesting a significant retiree or disability population.

What is the typical home value in ZIP code 59457?

The median home value in ZIP code 59457 is $178,100.

What is the population of ZIP code 59457?

ZIP code 59457 has an estimated population of 8,783 residents, with a density of 9 people per square mile.

What timezone is ZIP code 59457 in?

ZIP code 59457 observes the MST timezone.