59270 ZIP Code — Sidney, MT
Richland County, Montana
ZIP code 59270 is located in Sidney, Montana, within Richland County. It covers approximately 891.03 square miles and serves a population of 8,585 residents. This is a standard ZIP code in the Mountain (MT) timezone, served by area code 406.
About ZIP code 59270
The housing stock consists of a mix of housing types. Much of the housing stock is relatively new, reflecting recent development activity. Median home value is $249,600. Owner-occupancy sits near the national average at 68%.
Median household income is $62,500.
The dominant occupation class is management, business, and professional, with agriculture and mining as the leading industry. The average commute of 20 minutes is near the national average.
College attainment at 12% is below the national average, consistent with a trades and production-oriented local economy.
8,585
population
891.03
sq mi land
Standard
ZIP type
Mountain (MT)
timezone
59270 ZIP code map
Cities in ZIP code 59270
Below are the cities the US Postal Service accepts for ZIP code 59270. Using any city not on this list may result in mail delivery delays.
| City | Status |
|---|---|
| Sidney | Preferred |
Nearby ZIP codes
Demographics
updated 06/2026
| Population | |
|---|---|
| Total population | 8,585 |
| Population density | 10 / sq mi |
| State FIPS | 30 |
| County FIPS | 083 |
| Geography | |
|---|---|
| Land area | 891.03 sq mi |
| Water area | 8.72 sq mi |
| Latitude | 47.7366 |
| Longitude | -104.1963 |
| 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 | 42.1% | 41.2% | 44.2% |
| $50k – $100k | 31.6% | 32.6% | 32.0% |
| $100k – $200k | 23.0% | 23.2% | 19.2% |
| Over $200k | 3.2% | 3.0% | 4.7% |
Demographics & statistics
8,585
Population
10
People per sq mi
39.5
Median age
$62,500
Median household income
$34,891
Per capita income
$249,600
Median home value
$827
Median monthly rent
68.3%
Home ownership
7.7%
Poverty rate
3.9%
Unemployment
3,126
Housing units
12.3%
Bachelor's or higher
Age distribution
Male
Female
300
Under 5
298
280
5–9
277
330
10–14
328
312
15–19
310
154
20–24
152
573
25–34
569
567
35–44
563
478
45–54
475
263
55–59
261
317
60–64
315
459
65–74
455
232
75–84
231
43
85+
43
← Male
Female →
Age summary
| Group | Count | % |
|---|---|---|
| Under 18 | 2,158 | 25.1% |
| 18 and over | 6,427 | 74.9% |
| 65 and over | 1,463 | 17.0% |
| Median age | 39.5 years | |
Race & ethnicity
White
84.8%
Two or more races
5.6%
Hispanic or Latino
4.4%
Other race
3.7%
Native Hawaiian / Pacific Islander
1.2%
American Indian / Alaska Native
0.2%
| Group | Count | % |
|---|---|---|
| White | 7,617 | 84.8% |
| Two or more races | 505 | 5.6% |
| Hispanic or Latino | 399 | 4.4% |
| Other race | 332 | 3.7% |
| Native Hawaiian / Pacific Islander | 109 | 1.2% |
| American Indian / Alaska Native | 18 | 0.2% |
Household income
| Income range | This ZIP | County avg | State avg |
|---|---|---|---|
| Under $50k | 42.1% | 41.2% | 44.2% |
| $50k – $100k | 31.6% | 32.6% | 32.0% |
| $100k – $200k | 23.0% | 23.2% | 19.2% |
| Over $200k | 3.2% | 3.0% | 4.7% |
Under $10k
7.2%
$10k–$15k
3.9%
$15k–$25k
9.5%
$25k–$35k
7.4%
$35k–$50k
14.2%
$50k–$75k
12.9%
$75k–$100k
12.0%
$100k–$150k
19.5%
$150k–$200k
6.9%
$200k+
6.6%
| Range | % of households |
|---|---|
| Under $10k | 7.2% |
| $10k–$15k | 3.9% |
| $15k–$25k | 9.5% |
| $25k–$35k | 7.4% |
| $35k–$50k | 14.2% |
| $50k–$75k | 12.9% |
| $75k–$100k | 12.0% |
| $100k–$150k | 19.5% |
| $150k–$200k | 6.9% |
| $200k+ | 6.6% |
| Median income | $62,500 |
Housing
Home values
Under $50k
6.1%
$50k–$100k
11.6%
$100k–$150k
6.1%
$150k–$200k
10.3%
$200k–$300k
28.3%
$300k–$500k
26.4%
$500k–$1M
7.9%
$1M+
3.2%
Housing overview
| Metric | Value |
|---|---|
| Median home value | $249,600 |
| Median rent / month | $827 |
| Owner occupied | 68.3% |
| Renter occupied | 31.7% |
| Vacant | 17.6% |
| Single-family detached | 62.3% |
| Large apartment buildings | 6.9% |
| Mobile homes | 13.5% |
| Median rooms | 5.7 |
| Avg household size (owned) | 2.53 |
Year built
| Era | % |
|---|---|
| 2020 or later | 0.0% |
| 2010–2019 | 22.7% |
| 2000–2009 | 7.2% |
| 1990–1999 | 8.2% |
| 1980–1989 | 12.3% |
| 1970–1979 | 19.4% |
| 1960–1969 | 6.4% |
| 1950–1959 | 10.8% |
| 1940–1949 | 2.1% |
| 1939 or earlier | 10.9% |
Bedrooms
| Size | % of units |
|---|---|
| No bedroom (studio) | 2.8% |
| 1 bedroom | 9.1% |
| 2 bedrooms | 28.9% |
| 3 bedrooms | 30.8% |
| 4 bedrooms | 16.5% |
| 5+ bedrooms | 12.0% |
Vehicles per household
| Vehicles | % of households |
|---|---|
| No vehicle | 9.2% |
| 1 vehicle | 20.7% |
| 2 vehicles | 41.6% |
| 3 or more | 28.6% |
Heating fuel
| Fuel type | % |
|---|---|
| Utility gas | 56.1% |
| Electricity | 31.8% |
| Propane / LP gas | 11.3% |
| Fuel oil | 0.1% |
| Wood | 0.2% |
| No fuel used | 0.3% |
Households & families
| Household type | Count | % |
|---|---|---|
| Married-couple family | 1,645 | 47.2% |
| Cohabiting couple | 254 | 7.3% |
| Male householder, no spouse | 882 | 25.3% |
| Female householder, no spouse | 705 | 20.2% |
| Households with children under 18 | 836 | 24.0% |
| Households with seniors (65+) | 1,055 | 30.3% |
| Average household size | 2.45 | |
Marital status
| Status | Male | Female |
|---|---|---|
| Never married | 33.2% | 19.1% |
| Married | 47.4% | 54.4% |
| Separated | 1.9% | 0.5% |
| Widowed | 4.8% | 12.1% |
| Divorced | 12.6% | 13.9% |
Education
Less than 9th grade
1.0%
Some HS, no diploma
4.0%
HS graduate
43.1%
Some college, no degree
28.1%
Associate's degree
11.6%
Bachelor's degree
9.8%
Graduate / professional
2.4%
| Metric | % |
|---|---|
| HS diploma or higher | 95.1% |
| Bachelor's or higher | 12.3% |
School enrollment (ages 3–17)
| Type | Count | % |
|---|---|---|
| Nursery / preschool | 111 | 5.2% |
| Kindergarten | 133 | 6.2% |
| Elementary school | 972 | 45.5% |
| High school | 440 | 20.6% |
| College / grad school | 480 | 22.5% |
Employment
Industry of employment
Agriculture & mining
14.9%
Education & healthcare
13.9%
Construction
10.9%
Retail trade
10.5%
Professional & management
8.9%
Finance & real estate
8.4%
Arts, food & hospitality
7.7%
Transportation & utilities
7.2%
Manufacturing
6.1%
Other services
5.1%
Public administration
3.0%
Information
2.0%
Wholesale trade
1.5%
Occupation
| Category | % |
|---|---|
| Management, business & arts | 29.4% |
| Service | 9.1% |
| Sales & office | 23.8% |
| Natural resources & construction | 20.1% |
| Production & transportation | 17.5% |
Employment type
| Type | % |
|---|---|
| Private sector | 78.8% |
| Government | 10.3% |
| Self-employed | 9.5% |
| Unpaid family workers | 1.5% |
Commute
| Method | % |
|---|---|
| Drive alone | 77.6% |
| Carpool | 8.7% |
| Public transit | 0.0% |
| Walk | 7.9% |
| Work from home | 5.8% |
| Other means | 0.0% |
| Avg commute (minutes) | 19.6 |
Poverty
All people
7.7%
Under 18 years
3.7%
18 and over
9.0%
Married-couple families
4.5%
Female-led households
10.4%
Income support
| Source | % of households |
|---|---|
| Social Security | 29.3% |
| Retirement income | 14.5% |
| Supplemental Security | 3.4% |
| Cash public assistance | 3.9% |
| Food stamps / SNAP | 5.1% |
Health indicators
| Condition | % |
|---|---|
| Obesity | 35.7% |
| High blood pressure | 29.0% |
| High cholesterol | 30.1% |
| Diabetes | 8.5% |
| Heart disease | 6.1% |
| Stroke | 2.8% |
| Asthma | 9.9% |
| Arthritis | 25.8% |
| Kidney disease | 2.6% |
| Pulmonary disease | 6.1% |
| Cancer | 7.0% |
| Behavior / access | % |
|---|---|
| Smoking | 17.4% |
| Binge drinking | 22.6% |
| No physical activity | 21.0% |
| Less than 7 hrs sleep | 28.9% |
| Depression | 21.7% |
| Fair or poor health | 11.4% |
| Poor mental health | 12.7% |
| Poor physical health | 9.7% |
| No health insurance | 11.8% |
| Visited doctor (checkup) | 69.7% |
| Visited dentist | 64.9% |
| Cholesterol screening | 88.2% |
| Teeth loss | 12.8% |
Veterans & disability
| Veterans | Count | % |
|---|---|---|
| Civilian veterans | 424 | 6.6% |
| Disability | % |
|---|---|
| Any disability | 14.5% |
| Under 18 | 0.5% |
| 18–64 years | 12.4% |
| 65 and over | 42.6% |
Health insurance coverage
| Type | % |
|---|---|
| Private insurance | 74.2% |
| Public insurance | 31.3% |
| No insurance | 6.1% |
| Uninsured under 19 | 5.8% |
Language & origin
Language spoken at home (age 5+)
| Language | Count | % |
|---|---|---|
| English only | 7,987 | 93.0% |
| Spanish | 60 | 0.8% |
| Other Indo-European | 50 | 0.6% |
| Asian & Pacific Islander | 10 | 0.1% |
| Other languages | 0 | 0.0% |
Place of birth & citizenship
| Origin | Count | % |
|---|---|---|
| Native born (US) | 8,302 | 96.7% |
| Born in same state | 8,226 | 95.8% |
| Born in different state | 4,841 | 56.4% |
| Foreign born | 76 | 0.9% |
| Naturalized citizen | 283 | 3.3% |
| Not a US citizen | 69 | 24.4% |
Ancestry
| Ancestry | Count | % |
|---|---|---|
| Polish | 1,591 | 18.5% |
| Italian | 1,029 | 12% |
| French | 565 | 6.6% |
| Arab | 418 | 4.9% |
| Dutch | 213 | 2.5% |
| Ancestry | Count | % |
|---|---|---|
| German | 211 | 2.5% |
| English | 164 | 1.9% |
| Irish | 56 | 0.7% |
| Norwegian | 4 | 0% |
Technology access
| Metric | % of households |
|---|---|
| Computer access | 40.6% |
| Internet access | 89.8% |
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 59270
What city is ZIP code 59270 in?
ZIP code 59270 is primarily assigned to Sidney, Montana.
What county is ZIP code 59270 in?
ZIP code 59270 falls within Richland County, Montana.
How educated is the population of ZIP code 59270?
12% of residents hold a bachelor's degree or higher — below the national average of ~33%, consistent with a trades-oriented local economy.
What is the population of ZIP code 59270?
ZIP code 59270 has an estimated population of 8,585 residents, with a density of 10 people per square mile.
What is the median household income in ZIP code 59270?
The median household income in ZIP code 59270 is $62,500, below the national median of ~$75,000.
What is the typical home value in ZIP code 59270?
The median home value in ZIP code 59270 is $249,600.
What timezone is ZIP code 59270 in?
ZIP code 59270 observes the MST timezone.