59223 ZIP Code — Fort Peck, MT

Valley County, Montana

ZIP code 59223 is located in Fort Peck, Montana, within Valley County. It covers approximately 300.94 square miles and serves a population of 44 residents. This is a standard ZIP code in the Mountain (MT) timezone, served by area code 406.

population

300.94

sq mi land

Standard

ZIP type

Mountain (MT)

timezone

59223 ZIP code map

Cities in ZIP code 59223

Below are the cities the US Postal Service accepts for ZIP code 59223. Using any city not on this list may result in mail delivery delays.

City	Status
Fort Peck	Preferred

Demographics updated 06/2026

Population
Total population	44
Population density	0 / sq mi
State FIPS	30
County FIPS	105

Geography
Land area	300.94 sq mi
Water area	29.45 sq mi
Latitude	47.9828
Longitude	-106.6167
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	26.1%	48.6%	44.2%
$50k – $100k	49.4%	35.5%	32.0%
$100k – $200k	16.7%	13.9%	19.2%
Over $200k	7.8%	2.0%	4.7%

Demographics & statistics

Population

55.3

Median age

$145,625

Median household income

$54,777

Per capita income

Median home value

Median monthly rent

100.0%

Home ownership

0.0%

Poverty rate

0.0%

Unemployment

169

Housing units

7.1%

Bachelor's or higher

Age distribution

Male Female

5–9

10–14

45–54

55–59

65–74

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	16	36.4%
18 and over	28	63.6%
65 and over	19	43.2%
Median age	55.3 years

Race & ethnicity

White 100%

Group	Count	%
White	44	100%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	26.1%	48.6%	44.2%
$50k – $100k	49.4%	35.5%	32.0%
$100k – $200k	16.7%	13.9%	19.2%
Over $200k	7.8%	2.0%	4.7%

$35k–$50k 9.5%

$50k–$75k 23.8%

$100k–$150k 66.7%

Range	% of households
$35k–$50k	9.5%
$50k–$75k	23.8%
$100k–$150k	66.7%
Median income	$145,625

Housing

Home values

$300k–$500k 66.7%

$500k–$1M 9.5%

$1M+ 23.8%

Housing overview

Metric	Value
Median home value	$0
Median rent / month	$0
Owner occupied	100.0%
Renter occupied	0.0%
Vacant	87.6%
Single-family detached	84.0%
Large apartment buildings	0.0%
Mobile homes	16.0%
Median rooms	4.7
Avg household size (owned)	2.10

Year built

Era	%
2020 or later	0.0%
2010–2019	13.6%
2000–2009	1.2%
1990–1999	5.3%
1980–1989	13.0%
1970–1979	14.2%
1960–1969	23.7%
1950–1959	11.2%
1940–1949	11.8%
1939 or earlier	5.9%

Bedrooms

Size	% of units
No bedroom (studio)	5.9%
1 bedroom	15.4%
2 bedrooms	29.0%
3 bedrooms	21.3%
4 bedrooms	14.8%
5+ bedrooms	13.6%

Vehicles per household

Vehicles	% of households
No vehicle	0.0%
1 vehicle	66.7%
2 vehicles	9.5%
3 or more	23.8%

Heating fuel

Fuel type	%
Electricity	9.5%
Propane / LP gas	23.8%
Wood	66.7%

Households & families

Household type	Count	%
Married-couple family	7	33.3%
Cohabiting couple	0	0.0%
Male householder, no spouse	0	0.0%
Female householder, no spouse	14	66.7%
Households with children under 18	5	23.8%
Households with seniors (65+)	16	76.2%
Average household size	2.10

Marital status

Status	Male	Female
Never married	0.0%	0.0%
Married	100.0%	100.0%
Separated	0.0%	0.0%
Widowed	0.0%	0.0%
Divorced	0.0%	0.0%

Education

Less than 9th grade 0.0%

Some HS, no diploma 0.0%

HS graduate 42.9%

Some college, no degree 0.0%

Associate's degree 50.0%

Bachelor's degree 7.1%

Graduate / professional 0.0%

Metric	%
HS diploma or higher	100.0%
Bachelor's or higher	7.1%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	0	0.0%
Kindergarten	0	0.0%
Elementary school	16	100.0%
High school	0	0.0%
College / grad school	0	0.0%

Employment

Industry of employment

Agriculture & mining 85.7%

Construction 14.3%

Occupation

Category	%
Management, business & arts	100.0%
Service	0.0%
Sales & office	0.0%
Natural resources & construction	0.0%
Production & transportation	0.0%

Employment type

Type	%
Private sector	14.3%
Government	0.0%
Self-employed	85.7%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	14.3%
Carpool	0.0%
Public transit	0.0%
Walk	0.0%
Work from home	85.7%
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	76.2%
Retirement income	0.0%
Supplemental Security	0.0%
Cash public assistance	0.0%
Food stamps / SNAP	0.0%

Health indicators

Condition	%
Obesity	31.7%
High blood pressure	36.0%
High cholesterol	35.6%
Diabetes	11.1%
Heart disease	7.9%
Stroke	3.5%
Asthma	9.8%
Arthritis	31.0%
Kidney disease	3.2%
Pulmonary disease	7.6%
Cancer	8.4%

Behavior / access	%
Smoking	17.2%
Binge drinking	20.0%
No physical activity	20.1%
Less than 7 hrs sleep	31.6%
Depression	20.8%
Fair or poor health	13.0%
Poor mental health	11.7%
Poor physical health	11.3%
No health insurance	10.2%
Visited doctor (checkup)	72.9%
Visited dentist	64.8%
Cholesterol screening	91.4%
Teeth loss	12.1%

Veterans & disability

Veterans	Count	%
Civilian veterans	0	0.0%

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

Health insurance coverage

Type	%
Private insurance	63.6%
Public insurance	79.5%
No insurance	0.0%
Uninsured under 19	0.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	44	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)	44	100.0%
Born in same state	44	100.0%
Born in different state	39	88.6%
Foreign born	0	0.0%
Naturalized citizen	0	0.0%
Not a US citizen	0	0.0%

Ancestry

Ancestry	Count	%
Arab	25	56.8%
French	3	6.8%

Ancestry	Count	%
Polish	2	4.5%

Technology access

Metric	% of households
Computer access	47.7%
Internet access	100.0%

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

Frequently asked questions about ZIP code 59223

What city is ZIP code 59223 in?

ZIP code 59223 is primarily assigned to Fort Peck, Montana.

What county is ZIP code 59223 in?

ZIP code 59223 falls within Valley County, Montana.

Does ZIP code 59223 have a large retiree population?

76% of households in ZIP code 59223 receive Social Security income, suggesting a significant retiree or disability population.

Does ZIP code 59223 have an older population?

43% of residents in ZIP code 59223 are 65 or older, above the national average of ~17%.

How educated is the population of ZIP code 59223?

7% 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 median household income in ZIP code 59223?

The median household income in ZIP code 59223 is $145,625, above the national median of ~$75,000.

What timezone is ZIP code 59223 in?

ZIP code 59223 observes the MST timezone.