Fromberg, MT

Town in Carbon County, MT, US

By Neilsberg Research

Last updated May 1, 2026

Key Indicators

A quick look at key numbers

Population

438

Source: U.S. Census Bureau American Community Survey (ACS) 2020-2024 5-Year Estimates

Median Age

42.5

years ∙ half population younger than 42.5, half older

Diversity Index

33.1%

chance two random people differ in race and ethnicity

Nativity

1.1%

foreign-born population

98.9%Native

1.1% Foreign-born

Geographic Context

Location, size, and surroundings

About

Fromberg is a town within Carbon County, Montana, United States.

Location

Town in Carbon County, MT, US

Co-ordinates

DEC45.393543° N, 108.901542° W

DMS45° 23′ 36.75″ N, 108° 54′ 05.55″ W

Population Density & area

986.5/sq mi (381.2/km²)

Total Area

0.448 sq mi (1.159 km²)

Land Area

0.444 sq mi (1.149 km²) · 99.15%

Water Area

0.004 sq mi (0.01 km²) · 0.85%

Demographics & Living

Who lives here, how households are formed, and community composition

Population Composition

Key characteristics of the population

Sex Distribution

48.9% male

Male 48.9%

Female 51.1%

males per 100 females

Fromberg 95.5

Carbon County 103.9

Montana 102.7

Nativity

1.1%

foreign-born population

98.9%Native

1.1% Foreign-born

% Foreign-born

Fromberg 1.1%

Carbon County 0.6%

Montana 2.3%

Age Distribution

How the population is spread across age groups

Median Age

42.5

years ∙ half population younger than 42.5, half older

Fromberg

42.5

Carbon County

50.4

Montana

40.4

Dependency ratio

65.9

dependents per 100 working-age adults

Fromberg 65.9

Carbon County 82.5

Montana 69.9

AGE DISTRIBUTION

Distribution of age group

Median age

	Fromberg	Carbon County	Montana
Age Group
Children (Under 18)	21.5%	17.2%	21%
Working age (18-64)	60.2%	54.8%	58.9%
Senior (65+)	18.3%	28%	20.1%
Dependency ratio
Total dependency ratio	65.9	82.5	69.9
Child dependency ratio	35.6	31.3	35.7
Old-age dependency ratio	30.3	51.2	34.2

Racial & Ethnic Composition

Racial and ethnic makeup and how it compares

Race & Ethnicity

White

80.8%

Black

Asian

Hispanic

10%

Other

9.2%

Note: White, Black, and Asian refer to individuals belonging to a single race and not of Hispanic origin. Hispanics may be of any race.

Diversity Index

33.1%

chance two random people differ in race and ethnicity

Fromberg 33.1%

Carbon County 18.5%

Montana 29.4%

Note: The Diversity Index (DI), based on the Blau Index, measures the probability that two randomly selected individuals differ in race and ethnicity. Values range from 0 (no diversity) to 1 (high diversity) and are shown as percentages.

RACIAL & ETHNIC COMPOSITION

Race & Ethnicity

Percentage of Fromberg population

Racial and ethnic composition — Fromberg vs Carbon County vs Montana. Source: ACS 2020-2024 5-Year Estimates.
	Fromberg	Carbon County	Montana
Hispanic or Latino	10%	3%	4.6%
Mexican	4.6%	2.2%	2.9%
Puerto Rican	1.4%	0.1%	0.2%
Cuban	0%	0%	0.1%
Other Hispanic / Latino	4.1%	0.8%	1.3%
Not Hispanic or Latino	90%	97%	95.4%
One race	82.2%	92.5%	90.7%
White	80.8%	90.1%	83.6%
Black or African American	0%	0.3%	0.4%
American Indian and Alaska Native	1.4%	0.2%	5.3%
Asian	0%	0%	0.8%
Native Hawaiian and Other Pacific Islander	0%	0.2%	0%
Some Other Race	0%	1.6%	0.5%
Two or more races (Multiracial)	7.8%	4.5%	4.7%

Household & Families Composition

Household size, type, and family structure

Household structure

70.2% family

Family 70.2%

Non family 29.8%

% family households

Fromberg 70.2%

Carbon County 64%

Montana 60.3%

Average household size

2.61

persons per household

Fromberg

2.61

Carbon County

2.36

Montana

2.37

Household & Family COMPOSITION

Households

Percentage of Fromberg population

	Fromberg	Carbon County	Montana
Total households	168	4,664	458,859
Average houshold size	2.61	2.36	2.37
Family households	118	2,985	276,731
Average family size	2.98	2.92	3
Married couple family	100	2,618	222,207
Other families	18	367	54,524
Male householder	11	131	19,995
Female householder	7	236	34,529
Non-family households	50	1,679	182,128
One-person households	46	1,439	144,042
Male householder	26	764	71,216
Senior (65+) living alone	9	219	24,799
Female householder	20	675	72,826
Senior (65+) living alone	9	394	38,387
Other living arrangements	4	240	38,086

Housing Profile

Housing stock, ownership, rentals, and cost burdens

Total housing units

187

housing units

Fromberg 187

Carbon County 6,455

Montana 528,419

Occupancy status

89.8% occupied

Occupied 89.8%

Vacant 10.2%

vacancy rate

Fromberg 10.2%

Carbon County 27.7%

Montana 13.2%

Housing Characteristics

How the housing supply is structured and used

Types of Housing unit

75.9%

Single family houses

75.9%

Apartments in multi-unit structures

3.2%

Mobile homes

20.9%

Boat, RV, van, etc

Median Year Built

1971

Half of houses were built before 1971, and half after.

Historic ∙ 1939 or earlier

29.9%

Postwar & mid-century ∙ 1940 - 1969

13.3%

Late 20th century ∙ 1970 - 1999

37.4%

Modern ∙ 2000 or later

19.2%

Note: Median year built reflects occupied units only; distribution includes all units.

Housing Characteristics

Units, rooms & bedrooms

Physical characteristics of housing units

	Fromberg	Carbon County	Montana
Rooms per unit
Median rooms	5.4	5.5	5.6
1–3 rooms	10.7%	18.2%	14.6%
4–6 rooms	62.6%	48.2%	49.7%
7+ rooms	26.7%	33.6%	35.9%
Bedrooms
No bedroom / studio	3.2%	4.1%	2.7%
1 bedroom	8%	9.3%	10.3%
2 bedrooms	21.4%	26.3%	25.7%
3 bedrooms	40.6%	38.2%	36.5%
4+ bedrooms	26.8%	22.1%	24.8%
At a glance
Median year built	1971	1978	1981
Total housing units	187	6,455	528,419

Occupancy Profile

Who is inside and how they use it

Homeownership

81.5% owners

Renter-occupied 18.5%

Owner-occupied 81.5%

homeownership rate

Fromberg 81.5%

Carbon County 78%

Montana 69.2%

Average household size

2.83

Owner-occupied

1.61

Renter-occupied

owner-occupied average size

Fromberg 2.83

Carbon County 2.42

Montana 2.49

Housing Characteristics

Occupied unit characteristics

Tenure, crowding, and utilities

	Fromberg	Carbon County	Montana
Total occupied units	168	4,664	458,859
Year moved in
2020 or later	22.7%	20.3%	25.5%
2010 to 2019	51.2%	41.7%	39.7%
2000 to 2009	11.9%	16.2%	15.9%
1999 or earlier	14.3%	21.7%	18.9%
Occupants per room
1.00 or fewer	100%	98.2%	98.2%
1.01 to 1.50	0%	1.3%	1.2%
1.51 or more	0%	0.5%	0.7%
Vehicles availability
No vehicles	0.6%	3.4%	4.7%
1 vehicle	15.5%	23.8%	26.9%
2 vehicles	39.3%	31%	36.9%
3 or more vehicles	44.6%	41.8%	31.5%
House heating fuel used
Gas	89.9%	74.5%	63.5%
Electricity	7.1%	17.6%	27.3%
Solar	0%	0%	0.2%
Fuel oil, kerosene etc	0%	0%	0.6%
All other fuels	3%	7.2%	7.9%
No fuel used	0%	0.5%	0.5%
Selected characteristics
Lacking complete plumbing	1.2%	0.2%	0.5%
Lacking complete kitchen	1.2%	0.2%	0.9%
No telephone service available	1.2%	2.2%	1.1%

Housing Value

What owner-occupied units are worth

Median home value

$212,500

owner-occupied units

Median value(USD)

Fromberg

$212,500

Carbon County

$420,800

Montana

$375,800

Housing Cost Burden

16.7%

of homeowners with a mortgage are cost-burdened

% Cost-Burdened Households

Owners with a mortgage

16.7%

Owners without a mortgage

28.1%

Renters

36%

Note: Households spending 30% or more of their income on housing costs are considered cost-burdened.

Financial characteristics

Property value and housing costs

Tenure, crowding, and utilities

	Fromberg	Carbon County	Montana
Property value
Median Value	$212,500	$420,800	$375,800
Under $100,000	21.9%	6.2%	10.2%
$100,000 - $200,000	25.5%	6.8%	11.2%
$200,000 - $300,000	16.8%	13.6%	15.9%
$300,000 - $500,000	22.6%	37.4%	30.8%
$500,000 - $1,000,000	2.2%	28.5%	24.9%
$1,000,000 and more	10.9%	7.5%	7%
Owner-occupied households
With a mortgage	52.6%	51%	54.5%
Without a mortgage	47.4%	49%	45.5%
Median monthly owner costs
With a mortgage	$1,409	$1,753	$1,798
Without a mortgage	$571	$564	$571
Gross rent
Median rent	$983	$844	$1,081

Education Profile

How educated is the community and how education pays off

Adults with a college degree

18.6%

of adults 25+ with a bachelor's degree or higher

Fromberg 18.6%

Carbon County 34.6%

Montana 35.2%

Adults without a high school diploma

2.6%

of adults (25+) without a high school diploma

Fromberg 2.6%

Carbon County 3.4%

Montana 5.4%

School Enrollment

Who is enrolled in school and at what level

School enrollment

population (age 3+) enrolled in school

Nursery / Preschool

7.9%

K–12

80.3%

College / Undergraduate

1.3%

Graduate / Professional

10.5%

College-going rate (18-24 yr olds)

of 18-24-year-olds in college or graduate school

Fromberg

Carbon County

9.6%

Montana

34.5%

Enrollment & school type

Enrollment levels, college-going rate, and public vs private school split

Population 3+ currently enrolled in a school

	Fromberg	Carbon County	Montana
Total enrolled (age 3+)	76	1,936	240,826
Nursery / preschool	7.9%	6.7%	5.2%
K–12	80.3%	71.1%	70.6%
Kindergarten	0%	1.8%	5.3%
Elementary: Grades 1–4	9.2%	15.8%	21.7%
Elementary: Grades 5–8	22.4%	27.7%	22%
High School: Grades 9–12	48.7%	25.8%	21.7%
College or graduate school	11.8%	22.2%	24.2%
College, undergraduate	1.3%	14.2%	19.1%
Graduate, professional school	10.5%	8.1%	5%
College-going rate · 18-24 yr olds	0%	9.6%	34.5%
School type
Public school	93.4%	84.1%	84%
Private school	6.6%	15.9%	16%

Education Attainment by Level & Gender

What is the highest level of education completed among adults

Education attainment

311

population 25 years and over

Total adults (25+)

Less than 9th grade

1.3%

9th-12th, no diploma

1.3%

HS graduate

41.8%

Some college no degree

25.7%

Associates degree

11.3%

Bachelors degree

15.8%

Graduate or professional degree

2.9%

Attainment by gender

Male vs Female

Adults (25+) · Share within each education level

% male · % female

Less than 9th grade

25% · 75%

9th-12th, no diploma

75% · 25%

HS graduate

51.5% · 48.5%

Some college no degree

47.5% · 52.5%

Associates degree

34.3% · 65.7%

Bachelors degree

36.7% · 63.3%

Graduate or professional degree

77.8% · 22.2%

Educational Attainment Overview

Distribution and key education attainment rates for adults (25+)

Highest credential completed · adults 25+

	Fromberg	Carbon County	Montana
Population (25+)	311	8,582	781,264
Less than 9th grade	1.3%	1%	1.6%
9th–12th, no diploma	1.3%	2.4%	3.8%
High school diploma or GED	41.8%	30.3%	27.5%
Some college, no degree	25.7%	22%	22.4%
Associate's degree	11.3%	9.7%	9.6%
Bachelor's degree or higher	18.6%	34.6%	35.2%
Bachelor's degree	15.8%	22.6%	23.2%
Graduate or professional	2.9%	12%	12%
High School or higher	97.4%	96.6%	94.6%

Earnings by education level

percentage as applicable

Median Earnings

$40,357

Median earnings for adults 25+, by level

Less than HS graduate

$56,667

HS graduate

$—

Some college or associates

$37,500

Bachelors degree

$54,063

Graduate or professional degree

$—

Poverty Rate

37.9%

for ages 25+, with bachelors degree or higher

Less than HS graduate

37.5%

HS graduate

8.5%

Some college or associates

3.5%

Bachelors degree or higher

37.9%

Outcomes by Education Level

Earnings and poverty rates across education levels (25+)

Adults 25+

	Fromberg	Carbon County	Montana
Median earnings
Population 25+, with earnings	$40,357	$41,398	$46,951
Less than high school graduate	$56,667	$51,406	$33,639
High school graduate (includes equivalency)	$—	$36,804	$38,073
Some college or associate's degree	$37,500	$37,413	$42,611
Bachelor's degree	$54,063	$55,175	$55,623
Graduate or professional degree	$—	$65,250	$72,265
Poverty rates
Less than high school graduate	37.5%	16.4%	26.8%
High school graduate (includes equivalency)	8.5%	11.1%	13.1%
Some college or associate's degree	3.5%	7.2%	9.9%
Bachelor's degree or higher	37.9%	2.6%	4.7%

Insights for Fromberg, by topic

Income By year By race By age By gender

Population By year By race By age By gender

About Neilsberg Research

Neilsberg Research team are data scientists with expertise in processing, analysis and visualization of big data helping small businesses make right decisions.

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