59230 ZIP Code — Glasgow, MT

Valley County, Montana

ZIP code 59230 is located in Glasgow, Montana, within Valley County. It covers approximately 1,496.93 square miles and serves a population of 4,455 residents. This is a standard ZIP code in the Mountain (MT) timezone, served by area code 406.

About ZIP code 59230

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1950s, giving the area an established character. Median home value is $199,100. Owner-occupancy sits near the national average at 74%.

Median household income is $66,950. 42% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is sales and office, with education and healthcare as the leading industry. The average commute of 13 minutes is near the national average.

College attainment at 18% is below the national average, consistent with a trades and production-oriented local economy.

Overall, ZIP code 59230 reflects a community defined by a trades-oriented workforce and a significant Social Security-dependent population.

4,455

population

1,496.93

sq mi land

Standard

ZIP type

Mountain (MT)

timezone

59230 ZIP code map

Cities in ZIP code 59230

Below are the cities the US Postal Service accepts for ZIP code 59230. Using any city not on this list may result in mail delivery delays.

City	Status
Glasgow	Acceptable
Glasgow	Preferred

Nearby ZIP codes

59248 Nashua (17.1 mi) 59241 Hinsdale (18.3 mi)

Demographics updated 06/2026

Population
Total population	4,455
Population density	4,455 / sq mi
State FIPS	30
County FIPS	105

Geography
Land area	1,496.93 sq mi
Water area	118.16 sq mi
Latitude	48.3866
Longitude	-106.6115
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	47.1%	48.6%	44.2%
$50k – $100k	37.5%	35.5%	32.0%
$100k – $200k	13.5%	13.9%	19.2%
Over $200k	1.9%	2.0%	4.7%

Demographics & statistics

4,455

Population

4,455

People per sq mi

44.5

Median age

$66,950

Median household income

$33,940

Per capita income

$199,100

Median home value

$711

Median monthly rent

74.2%

Home ownership

9.2%

Poverty rate

1.7%

Unemployment

1,617

Housing units

18.1%

Bachelor's or higher

Age distribution

Male Female

124

Under 5

126

163

5–9

166

144

10–14

147

156

15–19

159

20–24

218

25–34

221

237

35–44

242

240

45–54

244

135

55–59

137

178

60–64

181

324

65–74

329

178

75–84

181

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	1,059	23.8%
18 and over	3,396	76.2%
65 and over	1,107	24.8%
Median age	44.5 years

Race & ethnicity

White 91%

Two or more races 4%

American Indian / Alaska Native 2.6%

Hispanic or Latino 1.9%

Black or African American 0.6%

Group	Count	%
White	4,129	91%
Two or more races	180	4%
American Indian / Alaska Native	120	2.6%
Hispanic or Latino	84	1.9%
Black or African American	26	0.6%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	47.1%	48.6%	44.2%
$50k – $100k	37.5%	35.5%	32.0%
$100k – $200k	13.5%	13.9%	19.2%
Over $200k	1.9%	2.0%	4.7%

Under $10k 2.2%

$10k–$15k 5.5%

$15k–$25k 7.0%

$25k–$35k 8.0%

$35k–$50k 14.0%

$50k–$75k 16.6%

$75k–$100k 21.6%

$100k–$150k 12.4%

$150k–$200k 8.5%

$200k+ 4.3%

Range	% of households
Under $10k	2.2%
$10k–$15k	5.5%
$15k–$25k	7.0%
$25k–$35k	8.0%
$35k–$50k	14.0%
$50k–$75k	16.6%
$75k–$100k	21.6%
$100k–$150k	12.4%
$150k–$200k	8.5%
$200k+	4.3%
Median income	$66,950

Housing

Home values

Under $50k 5.2%

$50k–$100k 6.8%

$100k–$150k 12.7%

$150k–$200k 25.7%

$200k–$300k 22.6%

$300k–$500k 25.2%

$500k–$1M 1.7%

Housing overview

Metric	Value
Median home value	$199,100
Median rent / month	$711
Owner occupied	74.2%
Renter occupied	25.8%
Vacant	16.7%
Single-family detached	72.8%
Large apartment buildings	4.1%
Mobile homes	5.8%
Median rooms	5.9
Avg household size (owned)	2.65

Year built

Era	%
2020 or later	0.0%
2010–2019	3.8%
2000–2009	2.9%
1990–1999	7.3%
1980–1989	15.2%
1970–1979	17.2%
1960–1969	18.5%
1950–1959	20.3%
1940–1949	3.3%
1939 or earlier	11.5%

Bedrooms

Size	% of units
No bedroom (studio)	3.6%
1 bedroom	6.1%
2 bedrooms	27.4%
3 bedrooms	41.6%
4 bedrooms	15.8%
5+ bedrooms	5.5%

Vehicles per household

Vehicles	% of households
No vehicle	5.5%
1 vehicle	23.9%
2 vehicles	24.3%
3 or more	46.2%

Heating fuel

Fuel type	%
Utility gas	68.6%
Electricity	19.1%
Propane / LP gas	10.4%
Wood	0.6%
No fuel used	0.8%

Households & families

Household type	Count	%
Married-couple family	843	49.2%
Cohabiting couple	106	6.2%
Male householder, no spouse	361	21.0%
Female householder, no spouse	405	23.6%
Households with children under 18	441	25.7%
Households with seniors (65+)	708	41.3%
Average household size	2.51

Marital status

Status	Male	Female
Never married	25.8%	25.1%
Married	58.1%	44.9%
Separated	0.0%	1.7%
Widowed	2.8%	11.8%
Divorced	13.3%	16.5%

Education

Less than 9th grade 0.5%

Some HS, no diploma 3.5%

HS graduate 29.3%

Some college, no degree 34.3%

Associate's degree 14.3%

Bachelor's degree 15.4%

Graduate / professional 2.6%

Metric	%
HS diploma or higher	96.0%
Bachelor's or higher	18.1%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	198	17.9%
Kindergarten	22	2.0%
Elementary school	443	40.1%
High school	320	29.0%
College / grad school	122	11.0%

Employment

Industry of employment

Education & healthcare 26.0%

Retail trade 14.6%

Transportation & utilities 10.7%

Arts, food & hospitality 9.8%

Construction 7.6%

Professional & management 6.7%

Agriculture & mining 5.8%

Other services 5.2%

Finance & real estate 5.1%

Public administration 4.6%

Manufacturing 1.7%

Wholesale trade 1.4%

Information 0.7%

Occupation

Category	%
Management, business & arts	24.4%
Service	20.5%
Sales & office	29.9%
Natural resources & construction	14.4%
Production & transportation	10.9%

Employment type

Type	%
Private sector	75.4%
Government	14.9%
Self-employed	9.2%
Unpaid family workers	0.5%

Commute

Method	%
Drive alone	71.6%
Carpool	11.5%
Public transit	0.3%
Walk	5.5%
Work from home	10.6%
Other means	0.5%
Avg commute (minutes)	12.5

Poverty

All people 9.2%

Under 18 years 8.5%

18 and over 9.4%

Married-couple families 3.8%

Female-led households 5.1%

Income support

Source	% of households
Social Security	42.2%
Retirement income	26.4%
Supplemental Security	2.3%
Cash public assistance	2.2%
Food stamps / SNAP	12.5%

Health indicators

Condition	%
Obesity	32.0%
High blood pressure	36.0%
High cholesterol	32.9%
Diabetes	11.2%
Heart disease	8.3%
Stroke	3.9%
Asthma	10.3%
Arthritis	31.5%
Kidney disease	3.6%
Pulmonary disease	8.2%
Cancer	8.4%

Behavior / access	%
Smoking	18.5%
Binge drinking	19.7%
No physical activity	22.2%
Less than 7 hrs sleep	32.6%
Depression	21.5%
Fair or poor health	14.6%
Poor mental health	12.7%
Poor physical health	12.2%
No health insurance	11.6%
Visited doctor (checkup)	72.7%
Visited dentist	61.3%
Cholesterol screening	89.5%
Teeth loss	14.9%

Veterans & disability

Veterans	Count	%
Civilian veterans	265	7.8%

Disability	%
Any disability	14.7%
Under 18	2.1%
18–64 years	8.5%
65 and over	41.3%

Health insurance coverage

Type	%
Private insurance	74.1%
Public insurance	45.7%
No insurance	4.1%
Uninsured under 19	4.7%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	4,205	94.4%
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)	4,441	99.7%
Born in same state	4,402	98.8%
Born in different state	3,074	69.0%
Foreign born	39	0.9%
Naturalized citizen	14	0.3%
Not a US citizen	4	28.6%

Ancestry

Ancestry	Count	%
Polish	758	17%
Arab	556	12.5%
Italian	408	9.2%
French	295	6.6%

Ancestry	Count	%
English	71	1.6%
Irish	67	1.5%
Dutch	44	1%
German	22	0.5%

Technology access

Metric	% of households
Computer access	38.5%
Internet access	96.4%

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

Frequently asked questions about ZIP code 59230

What city is ZIP code 59230 in?

ZIP code 59230 is primarily assigned to Glasgow, Montana.

What county is ZIP code 59230 in?

ZIP code 59230 falls within Valley County, Montana.

Does ZIP code 59230 have a large retiree population?

42% of households in ZIP code 59230 receive Social Security income, suggesting a significant retiree or disability population.

What is the population of ZIP code 59230?

ZIP code 59230 has an estimated population of 4,455 residents, with a density of 3 people per square mile.

What is the typical home value in ZIP code 59230?

The median home value in ZIP code 59230 is $199,100.

What is the median household income in ZIP code 59230?

The median household income in ZIP code 59230 is $66,950, below the national median of ~$75,000.

What timezone is ZIP code 59230 in?

ZIP code 59230 observes the MST timezone.