59931 ZIP Code — Rollins, MT

Lake County, Montana

ZIP code 59931 is located in Rollins, Montana, within Lake County. It covers approximately 28.33 square miles and serves a population of 269 residents. This is a standard ZIP code in the Mountain (MT) timezone, served by area code 406.

About ZIP code 59931

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1980s, giving the area an established character. Owner-occupancy is high at 98%, well above the national average.

The dominant occupation class is management, business, and professional, with professional and management as the leading industry. The average commute of 34 minutes is near the national average. Remote work is prevalent — 25% of workers work from home.

Educational attainment is high — 49% of residents hold a bachelor's degree or higher, well above the national average of 33%.

Overall, ZIP code 59931 reflects a community defined by high homeownership, a high rate of remote workers, and a significant Social Security-dependent population.

269

population

28.33

sq mi land

Standard

ZIP type

Mountain (MT)

timezone

59931 ZIP code map

Cities in ZIP code 59931

Below are the cities the US Postal Service accepts for ZIP code 59931. Using any city not on this list may result in mail delivery delays.

City	Status
Rollins	Acceptable

Demographics updated 06/2026

Population
Total population	269
Population density	9 / sq mi
State FIPS	30
County FIPS	047

Geography
Land area	28.33 sq mi
Water area	0.51 sq mi
Latitude	47.9235
Longitude	-114.1899
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	17.5%	50.0%	44.2%
$50k – $100k	24.5%	30.3%	32.0%
$100k – $200k	24.5%	16.9%	19.2%
Over $200k	33.6%	2.8%	4.7%

Demographics & statistics

269

Population

People per sq mi

57.4

Median age

Median household income

$64,671

Per capita income

Median home value

Median monthly rent

98.1%

Home ownership

10.4%

Poverty rate

2.9%

Unemployment

366

Housing units

49.3%

Bachelor's or higher

Age distribution

Male Female

5–9

15–19

20–24

25–34

35–44

45–54

55–59

60–64

65–74

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	48	17.8%
18 and over	221	82.2%
65 and over	77	28.6%
Median age	57.4 years

Race & ethnicity

White 63.6%

Two or more races 33.8%

Native Hawaiian / Pacific Islander 1.5%

Asian 1.1%

Group	Count	%
White	171	63.6%
Two or more races	91	33.8%
Native Hawaiian / Pacific Islander	4	1.5%
Asian	3	1.1%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	17.5%	50.0%	44.2%
$50k – $100k	24.5%	30.3%	32.0%
$100k – $200k	24.5%	16.9%	19.2%
Over $200k	33.6%	2.8%	4.7%

Under $10k 5.8%

$10k–$15k 5.8%

$15k–$25k 12.5%

$25k–$35k 5.8%

$35k–$50k 2.9%

$50k–$75k 14.4%

$75k–$100k 2.9%

$100k–$150k 2.9%

$150k–$200k 22.1%

$200k+ 25.0%

Range	% of households
Under $10k	5.8%
$10k–$15k	5.8%
$15k–$25k	12.5%
$25k–$35k	5.8%
$35k–$50k	2.9%
$50k–$75k	14.4%
$75k–$100k	2.9%
$100k–$150k	2.9%
$150k–$200k	22.1%
$200k+	25.0%
Median income	$0

Housing

Home values

$100k–$150k 4.9%

$200k–$300k 3.9%

$300k–$500k 40.2%

$500k–$1M 13.7%

$1M+ 37.3%

Housing overview

Metric	Value
Median home value	$0
Median rent / month	$0
Owner occupied	98.1%
Renter occupied	1.9%
Vacant	71.7%
Single-family detached	92.1%
Large apartment buildings	0.0%
Mobile homes	5.7%
Median rooms	5.8
Avg household size (owned)	2.37

Year built

Era	%
2020 or later	0.0%
2010–2019	0.0%
2000–2009	19.0%
1990–1999	21.2%
1980–1989	22.0%
1970–1979	9.5%
1960–1969	3.3%
1950–1959	3.8%
1940–1949	6.0%
1939 or earlier	15.2%

Bedrooms

Size	% of units
No bedroom (studio)	4.1%
1 bedroom	13.9%
2 bedrooms	25.5%
3 bedrooms	30.4%
4 bedrooms	17.1%
5+ bedrooms	9.0%

Vehicles per household

Vehicles	% of households
No vehicle	0.0%
1 vehicle	14.4%
2 vehicles	36.5%
3 or more	49.0%

Heating fuel

Fuel type	%
Utility gas	3.8%
Electricity	23.1%
Propane / LP gas	32.7%
Wood	40.4%

Households & families

Household type	Count	%
Married-couple family	68	65.4%
Cohabiting couple	3	2.9%
Male householder, no spouse	21	20.2%
Female householder, no spouse	12	11.5%
Households with children under 18	22	21.2%
Households with seniors (65+)	57	54.8%
Average household size	2.35

Marital status

Status	Male	Female
Never married	15.0%	14.4%
Married	64.2%	74.0%
Separated	2.5%	0.0%
Widowed	7.5%	4.8%
Divorced	10.8%	6.7%

Education

Less than 9th grade 0.0%

Some HS, no diploma 6.5%

HS graduate 4.2%

Some college, no degree 27.0%

Associate's degree 13.0%

Bachelor's degree 25.6%

Graduate / professional 23.7%

Metric	%
HS diploma or higher	93.5%
Bachelor's or higher	49.3%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	0	0.0%
Kindergarten	16	29.6%
Elementary school	29	53.7%
High school	3	5.6%
College / grad school	6	11.1%

Employment

Industry of employment

Professional & management 23.5%

Education & healthcare 20.6%

Construction 17.6%

Other services 13.2%

Arts, food & hospitality 8.8%

Retail trade 6.6%

Agriculture & mining 3.7%

Wholesale trade 3.7%

Manufacturing 2.2%

Occupation

Category	%
Management, business & arts	39.7%
Service	6.6%
Sales & office	23.5%
Natural resources & construction	19.1%
Production & transportation	11.0%

Employment type

Type	%
Private sector	91.2%
Government	4.4%
Self-employed	2.2%
Unpaid family workers	2.2%

Commute

Method	%
Drive alone	47.4%
Carpool	2.3%
Public transit	2.3%
Walk	23.3%
Work from home	24.8%
Other means	0.0%
Avg commute (minutes)	33.8

Poverty

All people 10.4%

Under 18 years 0.0%

18 and over 12.7%

Married-couple families 0.0%

Female-led households 0.0%

Income support

Source	% of households
Social Security	51.0%
Retirement income	39.4%
Supplemental Security	0.0%
Cash public assistance	2.9%
Food stamps / SNAP	6.7%

Health indicators

Condition	%
Obesity	28.5%
High blood pressure	37.5%
High cholesterol	40.9%
Diabetes	11.9%
Heart disease	9.4%
Stroke	4.0%
Asthma	9.1%
Arthritis	34.0%
Kidney disease	3.8%
Pulmonary disease	7.7%
Cancer	10.8%

Behavior / access	%
Smoking	12.1%
Binge drinking	15.6%
No physical activity	19.0%
Less than 7 hrs sleep	26.4%
Depression	18.4%
Fair or poor health	12.7%
Poor mental health	10.0%
Poor physical health	11.0%
No health insurance	8.5%
Visited doctor (checkup)	74.4%
Visited dentist	69.8%
Cholesterol screening	93.8%
Teeth loss	10.2%

Veterans & disability

Veterans	Count	%
Civilian veterans	13	5.9%

Disability	%
Any disability	11.9%
Under 18	0.0%
18–64 years	4.9%
65 and over	32.5%

Health insurance coverage

Type	%
Private insurance	76.6%
Public insurance	34.6%
No insurance	3.0%
Uninsured under 19	0.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	269	100.0%
Spanish	16	5.9%
Other Indo-European	16	5.9%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	259	96.3%
Born in same state	259	96.3%
Born in different state	110	40.9%
Foreign born	0	0.0%
Naturalized citizen	10	3.7%
Not a US citizen	7	70.0%

Ancestry

Ancestry	Count	%
French	108	40.1%
Italian	32	11.9%
Polish	22	8.2%

Ancestry	Count	%
Arab	12	4.5%
English	4	1.5%

Technology access

Metric	% of households
Computer access	38.7%
Internet access	94.2%

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

Frequently asked questions about ZIP code 59931

What city is ZIP code 59931 in?

ZIP code 59931 is primarily assigned to Rollins, Montana.

What county is ZIP code 59931 in?

ZIP code 59931 falls within Flathead County, Montana.

Is ZIP code 59931 mostly owner-occupied?

98% of occupied units in ZIP code 59931 are owner-occupied, well above the national average.

Does ZIP code 59931 have an older population?

29% of residents in ZIP code 59931 are 65 or older, above the national average of ~17%.

Does ZIP code 59931 have a large retiree population?

51% of households in ZIP code 59931 receive Social Security income, suggesting a significant retiree or disability population.

How educated is the population of ZIP code 59931?

49% of residents hold a bachelor's degree or higher — well above the national average of ~33%, reflecting a highly educated population.

What timezone is ZIP code 59931 in?

ZIP code 59931 observes the MST timezone.