59430 ZIP Code — Denton, MT

Fergus County, Montana

ZIP code 59430 is located in Denton, Montana, within Fergus County. It covers approximately 515.50 square miles and serves a population of 593 residents. This is a standard ZIP code in the Mountain (MT) timezone, served by area code 406.

About ZIP code 59430

The housing stock consists of predominantly single-family detached homes. Most homes were built in the pre-1940, giving the area an established character. Median home value is $201,800. Owner-occupancy is high at 82%, well above the national average.

The gap between median ($88,750) and mean household income suggests income inequality — a small number of higher earners pull the average up.

The dominant occupation class is management, business, and professional, with agriculture and mining as the leading industry. The average commute of 28 minutes is near the national average. Remote work is prevalent — 35% of workers work from home.

Educational attainment is near the national average, with 22% of residents holding a bachelor's degree or higher.

Overall, ZIP code 59430 reflects a community defined by high homeownership and a high rate of remote workers.

593

population

515.50

sq mi land

Standard

ZIP type

Mountain (MT)

timezone

59430 ZIP code map

Cities in ZIP code 59430

Below are the cities the US Postal Service accepts for ZIP code 59430. Using any city not on this list may result in mail delivery delays.

City	Status
Denton	Preferred

Nearby ZIP codes

59424 Coffee Creek (13.1 mi) 59462 Moccasin (19.9 mi)

Demographics updated 07/2026

Population
Total population	593
Population density	1 / sq mi
State FIPS	30
County FIPS	027

Geography
Land area	515.50 sq mi
Water area	1.12 sq mi
Latitude	47.3953
Longitude	-109.8072
Timezone	Mountain (MT)
Area code	406

Total population by age

Gender

Race & ethnicity

Economics updated 07/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	38.1%	51.0%	44.2%
$50k – $100k	27.1%	31.1%	32.0%
$100k – $200k	7.1%	14.4%	19.2%
Over $200k	27.6%	3.5%	4.7%

Demographics & statistics

593

Population

People per sq mi

53.7

Median age

$88,750

Median household income

$53,599

Per capita income

$201,800

Median home value

$850

Median monthly rent

81.6%

Home ownership

15.9%

Poverty rate

0.5%

Unemployment

279

Housing units

21.9%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

10–14

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	117	19.7%
18 and over	476	80.3%
65 and over	96	16.2%
Median age	53.7 years

Race & ethnicity

White 97.5%

Two or more races 1.5%

American Indian / Alaska Native 1%

Group	Count	%
White	578	97.5%
Two or more races	9	1.5%
American Indian / Alaska Native	6	1%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	38.1%	51.0%	44.2%
$50k – $100k	27.1%	31.1%	32.0%
$100k – $200k	7.1%	14.4%	19.2%
Over $200k	27.6%	3.5%	4.7%

Under $10k 2.0%

$10k–$15k 1.6%

$15k–$25k 9.2%

$25k–$35k 6.0%

$35k–$50k 9.6%

$50k–$75k 15.2%

$75k–$100k 9.6%

$100k–$150k 15.2%

$150k–$200k 4.8%

$200k+ 26.8%

Range	% of households
Under $10k	2.0%
$10k–$15k	1.6%
$15k–$25k	9.2%
$25k–$35k	6.0%
$35k–$50k	9.6%
$50k–$75k	15.2%
$75k–$100k	9.6%
$100k–$150k	15.2%
$150k–$200k	4.8%
$200k+	26.8%
Median income	$88,750

Housing

Home values

Under $50k 5.4%

$50k–$100k 23.0%

$100k–$150k 12.7%

$150k–$200k 7.4%

$200k–$300k 41.7%

$300k–$500k 0.5%

$500k–$1M 7.4%

$1M+ 2.0%

Housing overview

Metric	Value
Median home value	$201,800
Median rent / month	$850
Owner occupied	81.6%
Renter occupied	18.4%
Vacant	23.1%
Single-family detached	90.5%
Large apartment buildings	0.0%
Mobile homes	5.8%
Median rooms	7.2
Avg household size (owned)	2.31

Year built

Era	%
2020 or later	0.3%
2010–2019	0.0%
2000–2009	3.4%
1990–1999	25.8%
1980–1989	7.4%
1970–1979	6.8%
1960–1969	3.7%
1950–1959	11.4%
1940–1949	4.3%
1939 or earlier	36.9%

Bedrooms

Size	% of units
No bedroom (studio)	1.2%
1 bedroom	2.2%
2 bedrooms	17.5%
3 bedrooms	36.0%
4 bedrooms	15.4%
5+ bedrooms	27.7%

Vehicles per household

Vehicles	% of households
No vehicle	0.4%
1 vehicle	8.4%
2 vehicles	21.6%
3 or more	69.6%

Heating fuel

Fuel type	%
Utility gas	4.0%
Electricity	12.0%
Propane / LP gas	62.0%
Fuel oil	18.4%
Wood	2.4%

Households & families

Household type	Count	%
Married-couple family	196	78.4%
Cohabiting couple	3	1.2%
Male householder, no spouse	35	14.0%
Female householder, no spouse	16	6.4%
Households with children under 18	61	24.4%
Households with seniors (65+)	63	25.2%
Average household size	2.37

Marital status

Status	Male	Female
Never married	15.5%	15.9%
Married	76.1%	78.0%
Separated	0.0%	0.0%
Widowed	0.4%	3.6%
Divorced	8.0%	2.5%

Education

Less than 9th grade 0.0%

Some HS, no diploma 1.8%

HS graduate 14.4%

Some college, no degree 26.8%

Associate's degree 35.2%

Bachelor's degree 18.6%

Graduate / professional 3.3%

Metric	%
HS diploma or higher	98.2%
Bachelor's or higher	21.9%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	1	1.1%
Kindergarten	0	0.0%
Elementary school	44	46.3%
High school	39	41.1%
College / grad school	11	11.6%

Employment

Industry of employment

Agriculture & mining 41.4%

Education & healthcare 27.2%

Transportation & utilities 6.7%

Arts, food & hospitality 5.9%

Public administration 4.8%

Professional & management 4.0%

Manufacturing 2.2%

Retail trade 1.9%

Construction 1.6%

Wholesale trade 1.6%

Finance & real estate 1.3%

Other services 1.3%

Occupation

Category	%
Management, business & arts	61.8%
Service	11.6%
Sales & office	11.6%
Natural resources & construction	9.9%
Production & transportation	5.1%

Employment type

Type	%
Private sector	48.4%
Government	13.7%
Self-employed	37.1%
Unpaid family workers	0.8%

Commute

Method	%
Drive alone	51.9%
Carpool	5.4%
Public transit	0.0%
Walk	7.5%
Work from home	35.2%
Other means	0.0%
Avg commute (minutes)	27.9

Poverty

All people 15.9%

Under 18 years 47.9%

18 and over 8.0%

Married-couple families 7.1%

Female-led households 0.0%

Income support

Source	% of households
Social Security	22.4%
Retirement income	10.0%
Supplemental Security	1.2%
Cash public assistance	0.0%
Food stamps / SNAP	6.8%

Health indicators

Condition	%
Obesity	29.2%
High blood pressure	33.8%
High cholesterol	33.8%
Diabetes	10.2%
Heart disease	8.1%
Stroke	3.6%
Asthma	9.4%
Arthritis	29.9%
Kidney disease	3.4%
Pulmonary disease	7.4%
Cancer	8.9%

Behavior / access	%
Smoking	14.9%
Binge drinking	19.0%
No physical activity	21.0%
Less than 7 hrs sleep	27.1%
Depression	21.0%
Fair or poor health	12.8%
Poor mental health	11.6%
Poor physical health	11.1%
No health insurance	10.8%
Visited doctor (checkup)	72.8%
Visited dentist	64.4%
Cholesterol screening	91.0%
Teeth loss	11.7%

Veterans & disability

Veterans	Count	%
Civilian veterans	38	8.0%

Disability	%
Any disability	5.4%
Under 18	0.0%
18–64 years	1.8%
65 and over	26.0%

Health insurance coverage

Type	%
Private insurance	77.1%
Public insurance	31.7%
No insurance	6.4%
Uninsured under 19	5.6%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	574	96.8%
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)	593	100.0%
Born in same state	593	100.0%
Born in different state	451	76.1%
Foreign born	0	0.0%
Naturalized citizen	0	0.0%
Not a US citizen	0	0.0%

Ancestry

Ancestry	Count	%
Arab	113	19.1%
Polish	111	18.7%
French	93	15.7%
Italian	43	7.3%

Ancestry	Count	%
English	17	2.9%
German	2	0.3%
Dutch	1	0.2%

Technology access

Metric	% of households
Computer access	42.2%
Internet access	94.4%

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

Frequently asked questions about ZIP code 59430

What city is ZIP code 59430 in?

ZIP code 59430 is primarily assigned to Denton, Montana.

What county is ZIP code 59430 in?

ZIP code 59430 falls within Fergus County, Montana.

Is ZIP code 59430 mostly owner-occupied?

82% of occupied units in ZIP code 59430 are owner-occupied, well above the national average.

What is the poverty rate in ZIP code 59430?

16% of residents in ZIP code 59430 live below the poverty line, above the national average.

What is the population of ZIP code 59430?

ZIP code 59430 has an estimated population of 593 residents, with a density of 1 people per square mile.

What is the typical home value in ZIP code 59430?

The median home value in ZIP code 59430 is $201,800.

What timezone is ZIP code 59430 in?

ZIP code 59430 observes the MST timezone.