Pompeys Pillar ZIP Code List — Yellowstone County, MT

There is one unique ZIP code in Pompeys Pillar, Montana and it is 59064. Area code: 406.

ZIP codes

230.14

sq mi land

1.66

sq mi water

406

area code

Pompeys Pillar, MT ZIP code map

About Pompeys Pillar, MT

Pompeys Pillar is a small, unincorporated community located in the state of Montana. Nestled in Yellowstone County, it is recognized for its historical significance and unique geographical features. The area is named after the notable rock formation, Pompeys Pillar, which was used as a landmark by explorers and has immense cultural heritage.

Location & geography

Pompeys Pillar is situated in the south-central region of Montana, approximately 25 miles east of Billings, the largest city in the state. Along with its striking land area of 230.14 square miles, the area also features 1.66 square miles of water, contributing to its diverse landscape. The terrain is characterized by scenic plains and the prominent rock formation that stands as a notable landmark in the region.

Community & economy

The character of Pompeys Pillar reflects a close-knit community, where residents often enjoy a quiet and serene lifestyle. The local economy has ties primarily to agriculture, tourism, and outdoor recreation, with the historical significance of the pillar attracting visitors each year. Daily life in Pompeys Pillar is marked by a strong sense of camaraderie among its inhabitants, who proudly celebrate their community's unique heritage.

Transportation

Traveling to and from Pompeys Pillar, MT, is facilitated by U.S. Route 87, providing essential connectivity to nearby areas. The nearest major airport is Billings Logan International Airport, located approximately 30 miles away, ensuring accessibility for both residents and visitors. While public transportation options are limited, the community's compact nature allows for easy navigation by personal vehicle.

History

Pompeys Pillar was established in the early 19th century and gained prominence due to its connection to explorers like William Clark, who documented the unique pillar during their historic journey. The area has historically relied on agriculture and tourism, particularly revolving around the rich history and cultural significance of the pillar itself. Notable events include visits from historical figures and continued efforts to preserve the site's heritage through local initiatives.

Did you know?

A surprising fact about Pompeys Pillar is that it features the only remaining physical evidence of the Lewis and Clark Expedition, as Clark himself carved his name into the rock in 1806. Additionally, the site was designated as a National Historic Landmark, showcasing its importance in American history.

ZIP codes for Pompeys Pillar, MT (1)

ZIP code	City	County	Map
59064	Pompeys Pillar	Yellowstone	View map

Demographics & statistics

244

Population

46.6

Median age

Median household income

$45,773

Per capita income

$276,900

Median home value

Median monthly rent

76.4%

Home ownership

0.0%

Poverty rate

0.0%

Unemployment

156

Housing units

6.7%

Bachelor's or higher

Age distribution

Male Female

10–14

15–19

35–44

45–54

60–64

65–74

← Male

Female →

Age summary

Group	Count	%
Under 18	80	32.8%
18 and over	164	67.2%
65 and over	37	15.2%
Median age	46.6 years

Race & ethnicity

White 100%

Group	Count	%
White	244	100%

Household income

$15k–$25k 25.5%

$35k–$50k 5.5%

$50k–$75k 19.1%

$75k–$100k 8.2%

$100k–$150k 8.2%

$150k–$200k 33.6%

Range	% of households
$15k–$25k	25.5%
$35k–$50k	5.5%
$50k–$75k	19.1%
$75k–$100k	8.2%
$100k–$150k	8.2%
$150k–$200k	33.6%
Median income	$0

Housing

Home values

$50k–$100k 7.1%

$200k–$300k 79.8%

$500k–$1M 13.1%

Housing overview

Metric	Value
Median home value	$276,900
Median rent / month	$0
Owner occupied	76.4%
Renter occupied	23.6%
Vacant	39.6%
Single-family detached	73.1%
Large apartment buildings	0.0%
Mobile homes	26.9%
Median rooms	4.3
Avg household size (owned)	2.60

Year built

Era	%
2020 or later	0.0%
2010–2019	3.3%
2000–2009	0.0%
1990–1999	9.9%
1980–1989	11.5%
1970–1979	20.3%
1960–1969	0.0%
1950–1959	24.7%
1940–1949	9.3%
1939 or earlier	20.9%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	0.0%
2 bedrooms	48.4%
3 bedrooms	29.1%
4 bedrooms	11.0%
5+ bedrooms	11.5%

Vehicles per household

Vehicles	% of households
No vehicle	0.0%
1 vehicle	13.6%
2 vehicles	44.5%
3 or more	41.8%

Heating fuel

Fuel type	%
Electricity	10.0%
Propane / LP gas	35.5%
Wood	54.5%

Households & families

Household type	Count	%
Married-couple family	46	41.8%
Cohabiting couple	0	0.0%
Male householder, no spouse	32	29.1%
Female householder, no spouse	32	29.1%
Households with children under 18	52	47.3%
Households with seniors (65+)	37	33.6%
Average household size	2.22

Marital status

Status	Male	Female
Never married	38.9%	9.5%
Married	38.9%	65.5%
Separated	0.0%	25.0%
Widowed	6.3%	0.0%
Divorced	16.0%	0.0%

Education

Less than 9th grade 0.0%

Some HS, no diploma 10.4%

HS graduate 38.4%

Some college, no degree 44.5%

Associate's degree 0.0%

Bachelor's degree 6.7%

Graduate / professional 0.0%

Metric	%
HS diploma or higher	89.6%
Bachelor's or higher	6.7%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	0	0.0%
Kindergarten	0	0.0%
Elementary school	16	20.0%
High school	64	80.0%
College / grad school	0	0.0%

Employment

Industry of employment

Wholesale trade 58.2%

Finance & real estate 20.9%

Education & healthcare 15.8%

Construction 5.1%

Occupation

Category	%
Management, business & arts	26.6%
Service	4.0%
Sales & office	32.8%
Natural resources & construction	5.1%
Production & transportation	31.6%

Employment type

Type	%
Private sector	100.0%
Government	0.0%
Self-employed	0.0%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	52.5%
Carpool	0.0%
Public transit	0.0%
Walk	0.0%
Other means	0.0%
Avg commute (minutes)	0.0

Poverty

All people 0.0%

Under 18 years 0.0%

18 and over 0.0%

Married-couple families 0.0%

Female-led households 0.0%

Income support

Source	% of households
Social Security	33.6%
Retirement income	39.1%
Supplemental Security	0.0%
Cash public assistance	0.0%
Food stamps / SNAP	0.0%

Health indicators

Condition	%
High blood pressure	35.4%
High cholesterol	31.5%
Heart disease	7.6%
Stroke	3.7%
Asthma	11.0%
Arthritis	29.6%
Kidney disease	3.4%
Pulmonary disease	8.3%
Cancer	7.3%

Behavior / access	%
Binge drinking	18.9%
No physical activity	24.7%
Less than 7 hrs sleep	31.6%
Fair or poor health	15.5%
Poor mental health	13.7%
Poor physical health	12.7%
No health insurance	12.1%
Visited doctor (checkup)	72.6%
Visited dentist	61.8%
Cholesterol screening	89.0%
Teeth loss	17.0%

Veterans & disability

Veterans	Count	%
Civilian veterans	6	3.7%

Disability	%
Any disability	7.0%
Under 18	0.0%
18–64 years	0.0%
65 and over	45.9%

Health insurance coverage

Type	%
Private insurance	66.8%
Public insurance	43.9%
Uninsured under 19	0.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	244	100.0%
Spanish	0	0.0%
Other Indo-European	0	0.0%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	244	100.0%
Born in same state	244	100.0%
Born in different state	90	36.9%
Foreign born	0	0.0%
Naturalized citizen	0	0.0%
Not a US citizen	0	0.0%

Ancestry

Ancestry	Count	%
French	140	57.4%

Ancestry	Count	%
Polish	11	4.5%

Technology access

Metric	% of households
Computer access	45.1%
Internet access	91.8%

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

Frequently asked questions

What is the ZIP code for Pompeys Pillar, MT?

Pompeys Pillar, MT has one ZIP code: 59064.

What is the main ZIP code for Pompeys Pillar, MT?

The primary ZIP code for Pompeys Pillar, MT is 59064. The city uses area code 406 for phone service.

What county is Pompeys Pillar, MT in?

Pompeys Pillar is located in Yellowstone County, Montana.

How many ZIP codes are in Pompeys Pillar, MT?

Pompeys Pillar, MT has 1 ZIP code.