Montana›Musselshell County

Camp ThreeMT

A town of 139.

Population

139

Census survey, 2020–24

Land area

4 sq mi

Is Camp Three a good place to live?

Camp Three’s median age is 53.5 years, above both Montana’s towns (38.9 years) and U.S. towns (40.5 years). Only 3 of the 43 Montana towns we compare have a higher share of households owning their home than Camp Three. The biggest park or preserve is BLM, at 166 acres. Camp Three has fewer than 1,000 residents, too few for fair grades; the figures below are still real.

Small town

139 people, and everyone knows the way

In a town this size, neighbors are the best guide. Ask them anything.

Nearby towns

Roundup · 2 mi Lavina · 21 mi

RoundupKleinCamp Three

Getting set up

Moving to Camp Three: who provides what

Camp Three is unincorporated, so Musselshell County and regional agencies provide most services.

PowerNorthWestern Energy14.4¢/kWh · EIA 2025HIFLD · EIA

WaterRoundup Water DepartmentNo health-based violations in 5 years · EPAEPA

Internet3 providers96% of addresses get 100/20 MbpsFCC

Trash & county servicesMusselshell CountyMusselshell County provides services here

SchoolsRoundup Elementary School District Roundup High School District2 districts serve Camp Three; which school depends on your address and gradeNCES

Register to voteIn personMontana has no online registration; you can register in person up to and including Election Day or by mail (postmarked 30 days before).vote.gov

Who runs elections hereMusselshell County Election AdministratorMusselshell County; contacts on the Handbook page.FVAP, Aug 2015

ZIP code5907259072 100%Census 2020

EPA SDWIS (Oct 9, 2026) · HIFLD + EIA-861 2025 · Census 2020 ZCTAs · NCES 2024–25 · registration: vote.gov, updated Nov 18, 2024.

The data

Ordered by what stands out in Camp Three.

Who lives here

More middle-aged adults than Montana overall

Adults 35 to 64 are 48% of residents (37% statewide); children under 18 are 10% of residents (21% statewide). 40% of adults 25 and older hold a bachelor’s degree or more in Camp Three, where Montana’s towns sit at 30% and U.S. towns at 29%.

53.5median age · MT 40.4

Camp ThreeMontanaUnited States

MTU.S.

Ages · share of residents

21%

Education · adults 25 and older

No diploma4%

High school37%

Some college17%

Associate’s2%

Bachelor’s22%

Graduate18%

Women and men · all residents

Somewhere between 27% and 61% women

The Census survey reached too few of Camp Three’s residents to say more: its margin here is ±17.1 points. Across Montana, 49.3% of residents are women.

Ages and education in Camp Three
	Camp Three	MT	U.S.
Under 10	5.8%	11%	11.6%
10 to 17	4.3%	10%	10.3%
18 to 24	7.2%	9%	9.1%
25 to 34	7.9%	12.9%	13.7%
35 to 44	9.4%	12.9%	13.2%
45 to 54	18%	11.1%	12.2%
55 to 64	20.9%	13%	12.7%
65 to 74	12.2%	12.4%	10.2%
75 and older	14.4%	7.8%	7%
No diploma	4.3%	5.4%	10.4%
High school	36.5%	27.5%	26%
Some college	17.4%	22.4%	19.1%
Associate’s	1.7%	9.6%	8.8%
Bachelor’s	21.7%	23.2%	21.6%
Graduate	18.3%	12%	14.1%

Full pageCamp Three by the numbersOpen the page

Ages53.5 median age · 27% are 65 or older Schooling40% have a four-year degree Homes94% own their home · Homeowners Income$58K a year · Median household income

U.S. Census Bureau · ACS 2020-2024 5-year estimates · in a town of 100, single groups can be off by several points

Natural hazards

Low risk in Camp Three, with cold waves at the top

Expected storm and flood damage is lower than in 73% of U.S. communities. Since 1979, 56 flood insurance claims have been paid out in Camp Three.

27risk score of 100

FEMA risk score

Cold wavesInland floodingLightning

paid flood claims since 1979

Full pageCamp Three’s hazards pageOpen the page

What it facesLow risk Flood claims56 paid flood claims · Since 1979 Past disasters13 disaster declarations · Declared for the county Get ready3.9 events a year, on average · Ready for cold waves

FEMA flood insurance claims · FEMA National Risk Index · OpenFEMA

Climate

In Camp Three, expect four seasons and pleasant summers

Camp Three has cold winters and warm summers, with very little rain. Camp Three’s July high is 87°F.

24″snow a winter

Typical low → high °F

Winter14–38°

Spring31–59°

Summer52–84°

Fall32–61°

Sep 21

typical first frost

May 20

typical last frost

+1.2°

vs. the 20th-century average

Full pageCamp Three’s climate pageOpen the page

A year of weatherJuly highs 87°, January lows 13°Rain & snow24″ of snow a winter · 15 inches of rain and snow a year Heating & coolingMostly a heating bill Then and now+1.2° vs. the 20th century · Warmer than the 20th-century average

NOAA U.S. Climate Normals, 1991–2020

Outdoors

Conserved land covers 9.7% of Camp Three

1.2 miles of trail in 1 park or preserve. The trail density in Camp Three is 0.3 miles per square mile.

9.7%conserved

	Camp Three	Montana towns	U.S. towns
Miles of trail per square mile	0.3 miles per square mile	0.6	0.4
Conserved land	9.7%	9.2%	4.3%

9.7%

conserved · 275 of 2,832 acres

1.2 mi

of trails · 0.3 per sq mi

Biggest places to walk	Trails	Acres
1. BLM	—	166

Full pageCamp Three’s outdoors pageOpen the page

Trail map1.2 miles of trail, mapped Pick a walk166 acres · BLM Conserved land9.7% conserved · 275 acres protected Questions“Where can I hike in Camp Three?”

Health

Compared with most of Montana and the rest of the country, more of Camp Three’s adults have high blood pressure

44% of Camp Three adults have high blood pressure. Only 1 of the 42 Montana towns we compare have a higher share of adults who have diabetes than Camp Three. 37% of Camp Three adults have obesity.

	Camp Three	Montana towns	U.S. towns
High blood pressure (CDC PLACES)	44%	32%	35%
Frequent physical distress (CDC PLACES)	18%	14%	14%
Diabetes (CDC PLACES)	15%	10%	12%
Binge drink (CDC PLACES)	16%	20%	16%

32 measures vs. Montana

3 better16 too close to call13 worse

What stands out	Camp Three	MT
Fewer binge drinkers	15.5%	20.3%
More adults treating high blood pressure	80.7%	73.4%
More adults with COPD	11.4%	7%

Roundup Memorial Healthcare

1.3 mi away · emergency room

3 of 3

care shortages: primary care, dental, mental health

Full pageCamp Three’s health reportOpen the page

Everyday habitsMore adults who get no exercise Hospitals & doctors nearby1.3 miles to an ER · Roundup Memorial Healthcare How adults are doingMore adults in fair or poor health Every CDC estimateBetter than MT on 3 of 32

CDC PLACES 2025 · modeled estimates for adults · CMS · HRSA

Keep exploring

Everything we know about Camp Three

13pages on Camp Three

The big questions

HealthBetter than MT on 3 of 32 CDC measures Work & commute$58K median household income Natural hazardsFEMA risk higher than 27% of U.S. communities · cold waves

Out and about

Outdoors1 mi of trails · 10% conserved land PlacesLibraryRoundup School-Community Library Colleges

The story

Climate87° summer highs · 24″ of snow

Day to day

NewsWeatherHandbookTown SquareNeighbors

After high school

Colleges nearby

None within 15 miles of Camp Three; the nearest are

Rocky Mountain CollegeUniversity or college · Private nonprofit · Billings45.4 mi$35,582 tuition Montana State University BillingsUniversity or college · Public · Billings45.4 mi$7,280 in-state tuition Little Big Horn CollegeCommunity college · Public · Crow Agency79.5 mi$3,200 in-state tuition

College town 15 of every 100 Camp Three residents are enrolled in college, against 5 across Montana.

Prices by family income, graduation and earnings →

About Camp Three

Census-designated place in Montana, United States

Camp Three is a rural census-designated place (CDP) in Musselshell County, Montana, United States. The population was 138 at the 2020 census, down from 173 in 2010.

From Wikipedia, licensed CC BY-SA 4.0 · facts via Wikidata (CC0)

Area: 4.4 sq mi
Elevation: 3,225 ft
Area code: 406

Questions about Camp Three

Short answers, built from the data on this page.

Is Camp Three, MT a good place to live?

Camp Three has fewer than 1,000 residents, too few for fair grades; the figures below are still real.

Post to Camp Three

Check your email