Liberty County, MT ZIP Codes
Montana (MT) · 4 ZIP codes · 4 cities
4
ZIP codes
1,946
population (2021)
-16.8%
pop change since 2010
30051
FIPS code
Liberty County ZIP code map
About Liberty County
Liberty County is located in Montana and contains 4 ZIP codes across 4 cities and communities.
The county's population was 1,946 as of 2021,
a decrease of
16.8% from 2,339 in 2010.
The timezone is Pacific Time (observes DST).
The Federal Information Processing System (FIPS) code for Liberty County is 30051.
| Population | |
|---|---|
| 2021 population | 1,946 |
| 2010 population | 2,339 |
| Change | -16.8% |
| County details | |
|---|---|
| State | Montana |
| FIPS code | 30051 |
| Timezone | Pacific |
| Daylight saving | Yes |
Cities in Liberty County
ZIP codes for Liberty County, MT (4)
| ZIP code | City | County | Map |
|---|---|---|---|
| 59461 | Lothair | Liberty | View map |
| 59522 | Chester | Liberty | View map |
| 59531 | Joplin | Liberty | View map |
| 59545 | Whitlash | Liberty | View map |
Demographics & statistics
1,822
Population
38.5
Median age
$50,798
Median household income
$34,648
Per capita income
$153,450
Median home value
$168
Median monthly rent
81.2%
Home ownership
18.0%
Poverty rate
0.1%
Unemployment
596
Housing units
28.6%
Bachelor's or higher
Age distribution
Male
Female
67
Under 5
77
77
5–9
89
57
10–14
66
43
15–19
49
26
20–24
29
110
25–34
126
159
35–44
183
33
45–54
38
35
55–59
41
40
60–64
45
50
65–74
57
81
75–84
92
71
85+
81
← Male
Female →
Age summary
| Group | Count | % |
|---|---|---|
| Under 18 | 476 | 18.2% |
| 18 and over | 1,346 | 81.9% |
| 65 and over | 432 | 41.8% |
| Median age | 38.5 years | |
Race & ethnicity
White
97.1%
Two or more races
1.7%
Hispanic or Latino
0.4%
American Indian / Alaska Native
0.4%
Other race
0.4%
| Group | Count | % |
|---|---|---|
| White | 1,776 | 97.1% |
| Two or more races | 32 | 1.7% |
| Hispanic or Latino | 7 | 0.4% |
| American Indian / Alaska Native | 7 | 0.4% |
| Other race | 7 | 0.4% |
Household income
Under $10k
6.6%
$10k–$15k
1.3%
$15k–$25k
5.2%
$25k–$35k
12.9%
$35k–$50k
27.5%
$50k–$75k
29.0%
$75k–$100k
3.5%
$100k–$150k
8.9%
$150k–$200k
1.0%
$200k+
4.2%
| Range | % of households |
|---|---|
| Under $10k | 6.6% |
| $10k–$15k | 1.3% |
| $15k–$25k | 5.2% |
| $25k–$35k | 12.9% |
| $35k–$50k | 27.5% |
| $50k–$75k | 29.0% |
| $75k–$100k | 3.5% |
| $100k–$150k | 8.9% |
| $150k–$200k | 1.0% |
| $200k+ | 4.2% |
| Median income | $50,798 |
Housing
Home values
Under $50k
18.9%
$50k–$100k
20.3%
$100k–$150k
21.8%
$150k–$200k
7.4%
$200k–$300k
29.7%
$300k–$500k
2.0%
Housing overview
| Metric | Value |
|---|---|
| Median home value | $153,450 |
| Median rent / month | $168 |
| Owner occupied | 81.2% |
| Renter occupied | 18.8% |
| Vacant | 19.5% |
| Single-family detached | 84.9% |
| Large apartment buildings | 2.1% |
| Mobile homes | 8.3% |
| Median rooms | 5.6 |
| Avg household size (owned) | 2.44 |
Year built
| Era | % |
|---|---|
| 2020 or later | 0.0% |
| 2010–2019 | 0.9% |
| 2000–2009 | 3.9% |
| 1990–1999 | 3.1% |
| 1980–1989 | 4.3% |
| 1970–1979 | 10.9% |
| 1960–1969 | 5.5% |
| 1950–1959 | 24.6% |
| 1940–1949 | 4.8% |
| 1939 or earlier | 42.1% |
Bedrooms
| Size | % of units |
|---|---|
| No bedroom (studio) | 1.2% |
| 1 bedroom | 7.7% |
| 2 bedrooms | 28.8% |
| 3 bedrooms | 53.3% |
| 4 bedrooms | 4.3% |
| 5+ bedrooms | 4.8% |
Vehicles per household
| Vehicles | % of households |
|---|---|
| No vehicle | 4.4% |
| 1 vehicle | 19.7% |
| 2 vehicles | 43.4% |
| 3 or more | 32.6% |
Heating fuel
| Fuel type | % |
|---|---|
| Utility gas | 43.9% |
| Electricity | 12.7% |
| Propane / LP gas | 39.0% |
| Fuel oil | 0.4% |
Households & families
| Household type | Count | % |
|---|---|---|
| Married-couple family | 287 | 44.4% |
| Cohabiting couple | 25 | 7.1% |
| Male householder, no spouse | 125 | 24.5% |
| Female householder, no spouse | 206 | 24.1% |
| Households with children under 18 | 183 | 23.1% |
| Households with seniors (65+) | 317 | 65.9% |
| Average household size | 2.33 | |
Marital status
| Status | Male | Female |
|---|---|---|
| Never married | 15.7% | 9.6% |
| Married | 53.7% | 48.8% |
| Separated | 1.2% | 5.8% |
| Widowed | 1.4% | 16.3% |
| Divorced | 28.0% | 19.6% |
Education
Less than 9th grade
5.3%
Some HS, no diploma
9.8%
HS graduate
27.9%
Some college, no degree
24.2%
Associate's degree
4.2%
Bachelor's degree
25.7%
Graduate / professional
2.9%
| Metric | % |
|---|---|
| HS diploma or higher | 84.9% |
| Bachelor's or higher | 28.6% |
School enrollment (ages 3–17)
| Type | Count | % |
|---|---|---|
| Nursery / preschool | 23 | 3.0% |
| Kindergarten | 13 | 2.7% |
| Elementary school | 240 | 59.8% |
| High school | 57 | 8.8% |
| College / grad school | 7 | 0.8% |
Employment
Industry of employment
Agriculture & mining
55.9%
Education & healthcare
17.2%
Retail trade
10.1%
Public administration
5.8%
Construction
3.5%
Transportation & utilities
2.1%
Information
1.4%
Wholesale trade
1.2%
Professional & management
1.1%
Arts, food & hospitality
1.1%
Finance & real estate
0.4%
Other services
0.4%
Occupation
| Category | % |
|---|---|
| Management, business & arts | 58.4% |
| Service | 6.9% |
| Sales & office | 11.2% |
| Natural resources & construction | 16.8% |
| Production & transportation | 6.8% |
Employment type
| Type | % |
|---|---|
| Private sector | 64.1% |
| Government | 7.4% |
| Self-employed | 26.4% |
| Unpaid family workers | 2.0% |
Commute
| Method | % |
|---|---|
| Drive alone | 35.4% |
| Carpool | 11.1% |
| Public transit | 0.0% |
| Walk | 5.0% |
| Other means | 2.0% |
| Avg commute (minutes) | 8.5 |
Poverty
All people
18.0%
Under 18 years
18.8%
18 and over
14.6%
Married-couple families
20.1%
Female-led households
18.8%
Income support
| Source | % of households |
|---|---|
| Social Security | 61.9% |
| Retirement income | 31.2% |
| Supplemental Security | 7.8% |
| Cash public assistance | 3.7% |
| Food stamps / SNAP | 11.6% |
Health indicators
| Condition | % |
|---|---|
| High blood pressure | 18.2% |
| High cholesterol | 17.6% |
| Heart disease | 4.9% |
| Stroke | 2.4% |
| Asthma | 5.7% |
| Arthritis | 17.1% |
| Kidney disease | 2.1% |
| Pulmonary disease | 5.5% |
| Cancer | 4.3% |
| Behavior / access | % |
|---|---|
| Binge drinking | 8.9% |
| No physical activity | 13.4% |
| Less than 7 hrs sleep | 15.5% |
| Fair or poor health | 9.8% |
| Poor mental health | 7.1% |
| Poor physical health | 7.4% |
| No health insurance | 7.6% |
| Visited doctor (checkup) | 35.7% |
| Visited dentist | 28.1% |
| Cholesterol screening | 43.9% |
| Teeth loss | 10.4% |
Veterans & disability
| Veterans | Count | % |
|---|---|---|
| Civilian veterans | 133 | 13.3% |
| Disability | % |
|---|---|
| Any disability | 36.0% |
| Under 18 | 2.3% |
| 18–64 years | 28.8% |
| 65 and over | 55.1% |
Health insurance coverage
| Type | % |
|---|---|
| Private insurance | 53.2% |
| Public insurance | 76.8% |
| Uninsured under 19 | 1.1% |
Language & origin
Language spoken at home (age 5+)
| Language | Count | % |
|---|---|---|
| English only | 1,678 | 96.1% |
| Spanish | 9 | 0.2% |
| Other Indo-European | 0 | 0.0% |
| Asian & Pacific Islander | 9 | 0.2% |
| Other languages | 0 | 0.0% |
Place of birth & citizenship
| Origin | Count | % |
|---|---|---|
| Native born (US) | 1,812 | 99.0% |
| Born in same state | 1,785 | 98.5% |
| Born in different state | 1,452 | 81.3% |
| Foreign born | 27 | 0.5% |
| Naturalized citizen | 10 | 1.0% |
| Not a US citizen | 10 | 50.0% |
Ancestry
| Ancestry | Count | % |
|---|---|---|
| Polish | 314 | 17.2% |
| Italian | 135 | 7.4% |
| French | 117 | 6.4% |
| Arab | 74 | 4.1% |
| Ancestry | Count | % |
|---|---|---|
| Irish | 34 | 1.9% |
| English | 19 | 1% |
| Dutch | 4 | 0.2% |
| German | 1 | 0.1% |
Technology access
| Metric | % of households |
|---|---|
| Computer access | 44.8% |
| Internet access | 91.4% |
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
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