ZIP Code 59230 in Glasgow, MT

Data Last Updated: October 1, 2025
City:Glasgow, Montana
City Alias:Saint Marie
Names to Avoid:
Tampico
County:Valley County
Timezone:Mountain (GMT -07:00)
Local Time:6:20:59 AM
Population:4,623 [See All]
Area Code:406
Classification:Standard [Normal Street Delivery]
Coordinates:48.3866, -106.6115
Land Area:1496.926 sq mi
Quick Link:
https://www.zip-codes.com/zip-code/59230/zip-code-59230.asp

Download this data |

Download ZIP Boundaries |

Interactive charts load automatically as you scroll. Hover for data, click to explore trends, and use the menu to export.

Population & Demographics


ZIP Code 59230 has 4,623 residents and 1,992 households (average 2.25 persons per household). The median age is 44.0 years, older than the state (40.5) and older than the nation (38.8). The gender split is 50.4% male and 49.6% female, which is slightly higher than the national male share (49.1%). Largest groups are White (89.7%, much higher than the national average of 61.6%) and American Indian & Alaska Native (3.9%, slightly higher than the national average of 1.1%); Hispanic or Latino residents make up 1.9%, which is much lower than the national average (18.7%).

Explore More:Population Over TimeBy Age & GenderBy RaceBy GenderNativity & Citizenship

Source: U.S. Census 2020 Demographics & Housing Characteristics (DHC) and U.S. Census 2011-2023 American Community Survey (ACS) 5-Year Estimates.
2020 Population:4,623Source: Census DHC
2023 ACS Population Estimate:4,515Source: Census ACS
2025 ZC Population Estimate:4,149Source: ZIP-Codes.com
Population Density:3.1 people per sq mile
Average Income:$72,161Source: Census ACS
Households:1,992Source: Census DHC
Average House Value:$237,700Source: Census ACS
Persons Per Household:2.25Source: Census DHC
Average Family Size:2.94Source: Census ACS

Population Over Time (with 2010 & 2020 Census Benchmarks)


Group20102011210220132014201520162017201820192020202120222023
Census ACS Population Estimate--4,6614,7044,6264,5904,5134,4934,5804,6134,4844,4834,5704,4554,515
Decennial Census4,490------------------4,623------
Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. DP05. DEMOGRAPHIC AND HOUSING ESTIMATES

Population by Age & Gender (Total, Male, Female)


Median Age: 44

Male Median Age: 43

Female Median Age: 45.2

Group< 55-910-1415-1920-2425-2930-3435-3940-4445-4950-5455-5960-6465-6970-7475-7980-8485+
Male131154162135100120135154137129132181177167104957049
Female1271441391309112113812113212312117216314412810883106
Total258298301265191241273275269252253353340311232203153155
Source: U.S. Census Bureau (2020) Demographics & Housing Characteristics (DHC)

Population by Race


White:4,14992.78%
Black:70.16%
Hispanic:*902.01%
Asian:160.36%
American Indian:1783.98%
Hawaiian:00%
Other:320.72%
Total:4,472100%
Source: U.S. Census Bureau (2020) Demographics & Housing Characteristics (DHC)
* NOTE: Hispanic or Latino is an ethnicity, not a race. This means individuals who identify as Hispanic will also be included in one of the race categories (such as White or Black). As a result, the totals shown here may exceed 100% when Hispanic is displayed alongside racial groups.

Gender Breakdown


GenderCount%Median Age
Males:2,33250.44%43.0 years
Females:2,29149.56%45.2 years
Total:4,623100%44.0 years
Source: U.S. Census Bureau (2020) Demographics & Housing Characteristics (DHC)

Nativity & Citizenship


Native, born in the United States:4,45098.56%
Native, born in PR, Island Areas, or abroad:240.53%
Foreign born, naturalized U.S. citizen:170.38%
Foreign born, not a U.S. citizen:240.91%
Total Population:4,515100%
Total Native Population:4,47499.09%
Total Foreign-born Population:410.91%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP02. SELECTED SOCIAL CHARACTERISTICS
Note: Nativity and Citizenship derived from American Community Survey (ACS) 5-year estimates. Total Population listed here will not match official ZIP Code population totals, which are based on the Decennial Census.

Income & Employment


In 2023, the Median household income is $72,161, which is well under the national median ($78,538), is up $25,761 (55.5%) since 2011 and above its 2019 pre-pandemic level by $15,548. Family households earn a median of $89,672 versus $41,197 for nonfamily households (a difference of $48,475). By gender, male median income is $54,235 and female is $44,635, which is considerably lower than the national female median ($53,445), with a current gap of $9,600 that has narrowed from 2011 to 2023. The labor-force participation rate is 66.5%, which is higher than the state rate (62.8%). The unemployment rate is 1.3%, which is much lower than the national rate (5.2%). The largest occupation group is Management (29.1%).

Explore More:Income Over TimeHousehold IncomeEmployment StatusBy Occupation

Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. Using data from Tables DP02, DP03, DP04 and DP05.

Median Income Over Time (Household, Family, Nonfamily, Male, Female)


Income Type2011201220132014201520162017201820192020202120222023
Median Household Income$46,400$46,068$49,538$52,727$52,788$55,434$60,586$62,905$56,613$52,686$56,429$66,950$72,161
Median Family Income$62,708$64,352$65,332$65,759$65,357$64,063$67,470$75,714$69,452$69,750$80,781$84,963$89,672
Median NonFamily Income$28,142$28,414$27,788$25,603$23,333$24,464$29,231$29,145$30,500$31,327$31,786$35,742$41,197
Median Male Income$43,500$46,394$49,366$56,172$53,056$57,159$53,344$59,271$52,286$53,065$52,580$56,505$54,235
Median Female Income$30,808$31,894$33,659$34,432$32,719$31,138$31,119$30,738$32,336$33,750$34,215$40,125$44,635
Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. DP03. SELECTED ECONOMIC CHARACTERISTICS

Average Household Income


Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP03. SELECTED ECONOMIC CHARACTERISTICS

Employment Status


Employed:2,36265.67%
Unemployed:300.83%
Not In Labor Force:1,20533.50%
Total:3,597100%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP03. SELECTED ECONOMIC CHARACTERISTICS

Employment by Occupation (Civilian Employed Population, 16 and Over)


Management, business, science, and arts:68729.09%
Service:45819.39%
Sales and Office:53322.57%
Natural resources, construction, and maintenance:40617.19%
Production, transportation, and material moving:27811.77%
Total Civilian Employed Population:2,362100%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP03. SELECTED ECONOMIC CHARACTERISTICS.

Housing & Affordability


In 2023, the median home value is $237,700, which is far less than the state median ($338,100), is up $135,100 (131.68%) since 2011 and above its 2019 pre-pandemic level by $79,600. The median gross rent is $800, which is considerably lower than the national median ($1,348), is up $308 (62.60%) since 2011 and above its 2019 pre-pandemic level by $258. Of occupied housing, owners make up 76.24% (52.04% with a mortgage, 47.96% free-and-clear) and renters 23.76% - making this ZIP Code more home ownership than the state and under national rental averages. The vacancy rate is 14.89%, which is far higher than the national rate (10.43%).

Explore More:Compare Home ValueHome Value Over TimeRent & Over TimeHousing Occupancy

Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. Using data from Table DP03, SELECTED ECONOMIC CHARACTERISTICS.

Median Home Value (Comparison)


Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP04. SELECTED HOUSING CHARACTERISTICS

Median Home Value Over Time


Group2011210220132014201520162017201820192020202120222023
Median Home Value$102,600$112,700$115,500$130,500$150,900$158,400$152,400$153,400$158,100$156,000$174,400$199,100$237,700
Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. DP04. SELECTED HOUSING CHARACTERISTICS

Gross Rent Paid


Less than $500:4510.32%
$500 to $999:27262.39%
$1,000 to $1,499:9722.25%
$1,500 to $1,999:00.00%
$2,000 to $2,499:00.00%
$2,500 to $2,999:00.00%
$3,000 or more:00.00%
No Rent:225.05%
Total:436100%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP04. SELECTED HOUSING CHARACTERISTICS

Median Gross Rent Over Time


Group2011210220132014201520162017201820192020202120222023
Median Rent$492$503$477$503$502$503$489$479$542$598$674$711$800
Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. DP04. SELECTED HOUSING CHARACTERISTICS

Housing Occupancy


Owner Occupied (with mortgage):72839.67%
Owner Occupied (free and clear, no mortgage):67136.57%
Renter Occupied:43623.76%
Total Occupied Housing Units:1,835100%

Occupied Housing Units:1,83585.11%
Vacant Housing Units (not graphed):32114.89%
Total Housing Units:2,156100%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP04. SELECTED HOUSING CHARACTERISTICS

Housing Type (Single-Family, Multi-Family, Other)


Single-Family Units:1,72179.82%
Multi-Family Units:31614.66%
Other Units:1195.52%
Total Housing Units:2,156100%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP04. SELECTED HOUSING CHARACTERISTICS

Education, Health & Community


In 2023, 20.20% of adults (25+) have a bachelor's degree or higher, which is far lower than the national rate (35.00%). High school or higher is 97.30%, which is far higher than the national rate (89.40%). The uninsured rate is 4.40%, which is falls below the national rate (8.60%). Public coverage is 47.30%, which is well above the national rate (36.30%). The share of people in poverty is 4.50%, which is far lower than the national rate (8.70%), down 1.90 percentage points since 2011 and above its 2019 pre-pandemic level by 0.40 percentage points. This suggests a positive shift in the local economic and social landscape - higher incomes, steadier consumer demand, and a strengthening tax base. Among residents ages 3+, the largest enrollment group is elementary (45.13%). College enrollment is 12.09%, which is far lower than the national rate (26.70%), indicating the community may be more oriented toward vocational/trade or direct-to-workforce opportunities.

Explore More:Educational AttainmentHealth InsurancePoverty Over TimeSchool Enrollment

Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. Using data from Tables DP02 and DP03.

Educational Attainment of Adults (25 and Older)


Less than 9th grade:120.37%
9th to 12th grade, no diploma:762.34%
High school graduate (includes equivalency):1,03932.00%
Some college, no degree:1,13434.92%
Associate's degree:33010.16%
Bachelor's degree:55116.97%
Graduate or professional degree:1053.23%
Total:3,247100%
High school or higher:3,15997.29%
Bachelor's degree or higher:65620.20%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP02. SELECTED SOCIAL CHARACTERISTICS

Health Insurance Coverage by Type (Private, Public, Uninsured)


Private Insurance:3,25058.73%
Public Insurance:2,08937.75%
No Insurance:1953.52%
Total:5,534100%
Has Health Insurance:5,33996.48%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP03. SELECTED ECONOMIC CHARACTERISTICS

Percentage of People in Poverty Over Time (2011-2023)


Group2011210220132014201520162017201820192020202120222023
% of People in Poverty6.4%10.0%8.3%8.6%9.7%5.0%2.1%3.4%4.1%5.5%3.0%3.7%4.5%
Source: U.S. Census 2011-2023 American Community Survey 5-Year Estimates. DP03. SELECTED ECONOMIC CHARACTERISTICS

Note: Counts of Families & People in poverty are not published at the ZIP Code level due to small sample sizes. Percentages shown are survey estimates from the American Community Survey (ACS). They may differ from official poverty statistics. The U.S. Census Bureau defines poverty status by comparing a family's or individual's total income with federal poverty thresholds that vary by family size and composition.

School Enrollment by Education Level (Ages 3 and Older)


Nursery School, Preschool:14814.42%
Kindergarten:60.58%
Elementary school (grades 1-8):46345.13%
High school (grades 9-12):28527.78%
College or graduate school:12412.09%
Total:1,026100%
Early Childhood:15415.01%
K-12 (Primary & Secondary School):75473.49%
Source: U.S. Census 2019-2023 American Community Survey 5-Year Estimates. Table DP02. SELECTED SOCIAL CHARACTERISTICS

Business & Employment Statistics


ZIP Code 59230 supports both business and residential activity. According to the Business Census (2023), there are 214 business establishments, employing about 1,969 people with an annual payroll of $92,166,000. USPS data shows 1,844 residential mailboxes and 201 business mailboxes, reflecting local delivery coverage.

# Residential Mailboxes:1,844Source: USPS
# Business Mailboxes:201Source: USPS
Total Delivery Receptacles:2,709Source: USPS
Single Family Delivery Units:1,483Source: USPS
Multi Family Delivery Units:106Source: USPS
# of Businesses:214Source: CBP
1st Quarter Payroll:$20,565,000Source: CBP
Annual Payroll:$92,166,000Source: CBP
# of Employees:1,969Source: CBP

Geography, Land Area, & Statistical Classifications


ZIP Code 59230 is located in Valley County, Montana, within the Metropolitan Statistical Area (CBSA ) and Montana's 2nd Congressional District. This area has a population of 0 people, about 0.00% of whom live in ZIP Code 59230. It covers 1496.926 sq mi of land and a water area of 118.156 sq mi.

CBSA Name:--Source: Census
CBSA Number:--Source: Census
CBSA Type:--Source: Census
CBSA Division:--Source: Census
CBSA Population:0Source: Census
MSA:Source: Census
Land Area:1496.926 sq miSource: Census
Water Area:118.156 sq miSource: Census
Congressional District:02Source: USPS
Congressional Land Area:0 sq miSource: Census
PMSA:Source: Census
Intro Date:< 2004-10Source: ZIP-Codes.com
Place FIPS Code:3031075Source: Census
Place Name:Glasgow city; MontanaSource: Census

Adjacent & Nearby ZIP Codes


59231 | | 59226

Schools in ZIP Code 59230


ZIP Code 59230 is in the Glasgow K-12 Schools, which serves grades Pre-Kindergarten thru 12th. There are 3 public school(s) in this ZIP Code, and we have located 3 private school(s). It also has 6 colleges, universities or post secondary education institutions nearby which would be a short commute to.

Irle Elementary School 825 8th North
Glasgow, MT 59230
District: Glasgow K-12 Schools
Glasgow High School 175 Aberdeen Street
Glasgow, MT 59230
District: Glasgow K-12 Schools
Glasgow Middle School 11 Lasar Drive
Glasgow, MT 59230
District: Glasgow K-12 Schools
Lustre Christian High School 4 Lustre High Cir
Lustre, MT 59225
District: Private SchoolNearby
Nelson Academy Of Agricultural Sciences Online 306 1st Ave W
Scobey, MT 59263
District: Private SchoolNearby
White Clay Immersion School 269 Blackfeet Ave
Harlem, MT 59526
District: Private SchoolNearby

Colleges & Post Secondary Schools near ZIP Code 59230


Fort Peck Community College 605 Indian Street
Poplar, MT 59255-0398
Type: Post Secondary
Aaniiih Nakoda College 269 Blackfeet Avenue
Harlem, MT 59526
Type: Post Secondary
Dawson Community College 300 College Dr
Glendive, MT 59330
Type: Post Secondary
Williston State College 1410 University Avenue
Williston, ND 58801
Type: Post Secondary
Miles Community College 2715 Dickinson Street
Miles City, MT 59301-4774
Type: Post Secondary
Montana State University-Northern 300 W 11th St
Havre, MT 59501
Type: Post Secondary

Sources & References


Our sources include trusted federal and licensed data from the United States Postal Service, U.S. Census Bureau, U.S. Geological Survey, Centers for Medicare & Medicaid Services, and the National Center for Education Statistics, along with proprietary datasets created by ZIP-Codes.com. Data last updated on October 1, 2025.

  1. U.S. Postal Service [Last Updated: 10/1/2025], https://www.usps.com
  2. ZIP-Codes.com Proprietary Data Enhancements [Updated: 10/1/2025], https://www.zip-codes.com
  3. U.S. Census [Updated: Varies], https://www.census.gov
    • U.S. Census Office of Management and Budget [Updated: As Released]
    • U.S. Census 2020 Demographic & Housing Characteristics (DHC) [Decennial] [Updated: 5/25/2023]
    • U.S. Census 2011-2023 American Community Survey 5-year estimates (ACS) [Annually] [Updated: Annually, As Released]
    • U.S. Census Business Patterns (CBD) [Annually] [Updated: Annually, As Released]
    • U.S. Census American National Standards Institute (ANSI) [Updated: As Released]
  4. U.S. Geological Survey [Updated: Varies], https://www.usgs.gov
  5. Centers for Medicare & Medicaid Services [Updated: Annually, As Released], https://www.cms.gov
  6. National Center for Education Statistics [Updated: 10/1/2025], https://nces.ed.gov