Sweet Grass County, MT ZIP Codes
Montana (MT) · 4 ZIP codes · 4 cities
4
ZIP codes
3,723
population (2021)
+2.0%
pop change since 2010
30097
FIPS code
Sweet Grass County ZIP code map
About Sweet Grass County
Sweet Grass County is located in Montana and contains 4 ZIP codes across 4 cities and communities.
The county's population was 3,723 as of 2021,
an increase of
2% from 3,651 in 2010.
The timezone is Pacific Time (observes DST).
The Federal Information Processing System (FIPS) code for Sweet Grass County is 30097.
| Population | |
|---|---|
| 2021 population | 3,723 |
| 2010 population | 3,651 |
| Change | +2.0% |
| County details | |
|---|---|
| State | Montana |
| FIPS code | 30097 |
| Timezone | Pacific |
| Daylight saving | Yes |
Cities in Sweet Grass County
ZIP codes for Sweet Grass County, MT (4)
| ZIP code | City | County | Map |
|---|---|---|---|
| 59011 | Big Timber | Sweet Grass | View map |
| 59033 | Greycliff | Sweet Grass | View map |
| 59052 | Mc Leod | Sweet Grass | View map |
| 59055 | Melville | Sweet Grass | View map |
Demographics & statistics
3,525
Population
43.6
Median age
$62,999
Median household income
$35,735
Per capita income
$466,225
Median home value
$752
Median monthly rent
74.9%
Home ownership
5.0%
Poverty rate
0.6%
Unemployment
1,467
Housing units
27.8%
Bachelor's or higher
Age distribution
Male
Female
100
Under 5
93
73
5–9
69
125
10–14
117
118
15–19
110
132
20–24
124
205
25–34
192
195
35–44
182
185
45–54
172
112
55–59
105
127
60–64
119
249
65–74
233
153
75–84
142
48
85+
45
← Male
Female →
Age summary
| Group | Count | % |
|---|---|---|
| Under 18 | 719 | 23.8% |
| 18 and over | 2,806 | 76.2% |
| 65 and over | 870 | 25.1% |
| Median age | 43.6 years | |
Race & ethnicity
White
91.5%
Two or more races
3.5%
Hispanic or Latino
1.7%
Black or African American
1.6%
American Indian / Alaska Native
1.1%
Other race
0.7%
| Group | Count | % |
|---|---|---|
| White | 3,279 | 91.5% |
| Two or more races | 127 | 3.5% |
| Hispanic or Latino | 60 | 1.7% |
| Black or African American | 57 | 1.6% |
| American Indian / Alaska Native | 38 | 1.1% |
| Other race | 24 | 0.7% |
Household income
Under $10k
1.0%
$10k–$15k
3.0%
$15k–$25k
5.7%
$25k–$35k
4.2%
$35k–$50k
14.2%
$50k–$75k
18.1%
$75k–$100k
21.4%
$100k–$150k
16.9%
$150k–$200k
11.8%
$200k+
3.8%
| Range | % of households |
|---|---|
| Under $10k | 1.0% |
| $10k–$15k | 3.0% |
| $15k–$25k | 5.7% |
| $25k–$35k | 4.2% |
| $35k–$50k | 14.2% |
| $50k–$75k | 18.1% |
| $75k–$100k | 21.4% |
| $100k–$150k | 16.9% |
| $150k–$200k | 11.8% |
| $200k+ | 3.8% |
| Median income | $62,999 |
Housing
Home values
Under $50k
14.7%
$50k–$100k
1.3%
$100k–$150k
11.4%
$150k–$200k
5.1%
$200k–$300k
20.1%
$300k–$500k
15.6%
$500k–$1M
4.7%
$1M+
27.1%
Housing overview
| Metric | Value |
|---|---|
| Median home value | $466,225 |
| Median rent / month | $752 |
| Owner occupied | 74.9% |
| Renter occupied | 25.1% |
| Vacant | 32.6% |
| Single-family detached | 79.7% |
| Large apartment buildings | 0.0% |
| Mobile homes | 17.4% |
| Median rooms | 5.8 |
| Avg household size (owned) | 2.40 |
Year built
| Era | % |
|---|---|
| 2020 or later | 0.0% |
| 2010–2019 | 2.6% |
| 2000–2009 | 11.8% |
| 1990–1999 | 12.3% |
| 1980–1989 | 20.2% |
| 1970–1979 | 19.7% |
| 1960–1969 | 3.7% |
| 1950–1959 | 8.4% |
| 1940–1949 | 5.7% |
| 1939 or earlier | 15.7% |
Bedrooms
| Size | % of units |
|---|---|
| No bedroom (studio) | 5.0% |
| 1 bedroom | 7.0% |
| 2 bedrooms | 28.9% |
| 3 bedrooms | 37.8% |
| 4 bedrooms | 15.7% |
| 5+ bedrooms | 5.6% |
Vehicles per household
| Vehicles | % of households |
|---|---|
| No vehicle | 0.9% |
| 1 vehicle | 20.7% |
| 2 vehicles | 31.6% |
| 3 or more | 46.8% |
Heating fuel
| Fuel type | % |
|---|---|
| Utility gas | 18.2% |
| Electricity | 8.0% |
| Propane / LP gas | 36.3% |
| Fuel oil | 0.2% |
| Wood | 35.0% |
Households & families
| Household type | Count | % |
|---|---|---|
| Married-couple family | 845 | 73.3% |
| Cohabiting couple | 36 | 1.9% |
| Male householder, no spouse | 250 | 18.3% |
| Female householder, no spouse | 246 | 6.6% |
| Households with children under 18 | 382 | 37.0% |
| Households with seniors (65+) | 550 | 38.5% |
| Average household size | 2.62 | |
Marital status
| Status | Male | Female |
|---|---|---|
| Never married | 21.8% | 10.0% |
| Married | 67.3% | 80.9% |
| Separated | 2.9% | 0.0% |
| Widowed | 2.0% | 3.6% |
| Divorced | 6.0% | 5.6% |
Education
Less than 9th grade
1.1%
Some HS, no diploma
4.5%
HS graduate
24.7%
Some college, no degree
34.9%
Associate's degree
7.0%
Bachelor's degree
24.1%
Graduate / professional
3.7%
| Metric | % |
|---|---|
| HS diploma or higher | 94.4% |
| Bachelor's or higher | 27.8% |
School enrollment (ages 3–17)
| Type | Count | % |
|---|---|---|
| Nursery / preschool | 51 | 3.6% |
| Kindergarten | 15 | 0.6% |
| Elementary school | 288 | 51.7% |
| High school | 227 | 20.1% |
| College / grad school | 186 | 24.0% |
Employment
Industry of employment
Agriculture & mining
31.0%
Education & healthcare
16.7%
Construction
13.5%
Finance & real estate
7.7%
Manufacturing
6.7%
Transportation & utilities
5.9%
Professional & management
5.6%
Retail trade
4.7%
Other services
3.1%
Arts, food & hospitality
2.6%
Public administration
1.7%
Information
0.5%
Wholesale trade
0.4%
Occupation
| Category | % |
|---|---|
| Management, business & arts | 41.9% |
| Service | 11.8% |
| Sales & office | 11.1% |
| Natural resources & construction | 26.1% |
| Production & transportation | 9.0% |
Employment type
| Type | % |
|---|---|
| Private sector | 59.2% |
| Government | 6.7% |
| Self-employed | 29.1% |
| Unpaid family workers | 5.0% |
Commute
| Method | % |
|---|---|
| Drive alone | 56.8% |
| Carpool | 13.5% |
| Public transit | 0.7% |
| Walk | 8.4% |
| Other means | 3.6% |
| Avg commute (minutes) | 20.5 |
Poverty
All people
5.0%
Under 18 years
1.1%
18 and over
5.6%
Married-couple families
1.9%
Female-led households
5.0%
Income support
| Source | % of households |
|---|---|
| Social Security | 35.4% |
| Retirement income | 18.2% |
| Supplemental Security | 1.7% |
| Cash public assistance | 0.8% |
| Food stamps / SNAP | 2.0% |
Health indicators
| Condition | % |
|---|---|
| High blood pressure | 32.2% |
| High cholesterol | 34.0% |
| Heart disease | 7.1% |
| Stroke | 3.2% |
| Asthma | 9.4% |
| Arthritis | 29.0% |
| Kidney disease | 3.0% |
| Pulmonary disease | 7.0% |
| Cancer | 7.8% |
| Behavior / access | % |
|---|---|
| Binge drinking | 20.7% |
| No physical activity | 19.5% |
| Less than 7 hrs sleep | 30.4% |
| Fair or poor health | 12.5% |
| Poor mental health | 12.1% |
| Poor physical health | 10.7% |
| No health insurance | 10.8% |
| Visited doctor (checkup) | 71.3% |
| Visited dentist | 65.4% |
| Cholesterol screening | 90.6% |
| Teeth loss | 12.2% |
Veterans & disability
| Veterans | Count | % |
|---|---|---|
| Civilian veterans | 255 | 9.4% |
| Disability | % |
|---|---|
| Any disability | 15.4% |
| Under 18 | 8.6% |
| 18–64 years | 8.3% |
| 65 and over | 34.2% |
Health insurance coverage
| Type | % |
|---|---|
| Private insurance | 68.0% |
| Public insurance | 36.1% |
| Uninsured under 19 | 20.0% |
Language & origin
Language spoken at home (age 5+)
| Language | Count | % |
|---|---|---|
| English only | 3,332 | 96.2% |
| Spanish | 12 | 0.1% |
| Other Indo-European | 12 | 0.1% |
| Asian & Pacific Islander | 0 | 0.0% |
| Other languages | 0 | 0.0% |
Place of birth & citizenship
| Origin | Count | % |
|---|---|---|
| Native born (US) | 3,497 | 97.5% |
| Born in same state | 3,473 | 97.3% |
| Born in different state | 2,066 | 53.2% |
| Foreign born | 24 | 0.2% |
| Naturalized citizen | 28 | 2.5% |
| Not a US citizen | 23 | 67.2% |
Ancestry
| Ancestry | Count | % |
|---|---|---|
| French | 595 | 16.9% |
| Polish | 594 | 16.9% |
| Italian | 369 | 10.5% |
| English | 62 | 1.8% |
| Ancestry | Count | % |
|---|---|---|
| Arab | 55 | 1.6% |
| Dutch | 33 | 0.9% |
| Irish | 22 | 0.6% |
| German | 10 | 0.3% |
Technology access
| Metric | % of households |
|---|---|
| Computer access | 40.4% |
| Internet access | 87.8% |
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
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