59830 ZIP Code — De Borgia, MT

Mineral County, Montana

ZIP code 59830 is located in De Borgia, Montana, within Mineral County. It covers approximately 108.12 square miles and serves a population of 143 residents. This is a standard ZIP code in the Mountain (MT) timezone, served by area code 406.

143

population

108.12

sq mi land

Standard

ZIP type

Mountain (MT)

timezone

59830 ZIP code map

Cities in ZIP code 59830

Below are the cities the US Postal Service accepts for ZIP code 59830. Using any city not on this list may result in mail delivery delays.

City	Status
De Borgia	Acceptable

Demographics updated 06/2026

Population
Total population	143
Population density	1 / sq mi
State FIPS	30
County FIPS	061

Geography
Land area	108.12 sq mi
Water area	0.02 sq mi
Latitude	47.3759
Longitude	-115.3453
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	78.0%	49.2%	44.2%
$50k – $100k	18.3%	32.9%	32.0%
$100k – $200k	3.7%	15.4%	19.2%
Over $200k	0.0%	2.5%	4.7%

Demographics & statistics

143

Population

People per sq mi

51.3

Median age

$41,875

Median household income

$24,480

Per capita income

$228,100

Median home value

Median monthly rent

70.3%

Home ownership

35.7%

Poverty rate

41.7%

Unemployment

Housing units

44.1%

Bachelor's or higher

Age distribution

Male Female

Under 5

20–24

45–54

60–64

65–74

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	12	8.4%
18 and over	131	91.6%
65 and over	46	32.2%
Median age	51.3 years

Race & ethnicity

White 100%

Group	Count	%
White	143	100%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	78.0%	49.2%	44.2%
$50k – $100k	18.3%	32.9%	32.0%
$100k – $200k	3.7%	15.4%	19.2%
Over $200k	0.0%	2.5%	4.7%

$10k–$15k 29.7%

$35k–$50k 23.4%

$50k–$75k 17.2%

$75k–$100k 23.4%

$150k–$200k 6.3%

Range	% of households
$10k–$15k	29.7%
$35k–$50k	23.4%
$50k–$75k	17.2%
$75k–$100k	23.4%
$150k–$200k	6.3%
Median income	$41,875

Housing

Home values

$100k–$150k 24.4%

$150k–$200k 15.6%

$200k–$300k 26.7%

$300k–$500k 33.3%

Housing overview

Metric	Value
Median home value	$228,100
Median rent / month	$0
Owner occupied	70.3%
Renter occupied	29.7%
Vacant	29.7%
Single-family detached	87.9%
Large apartment buildings	0.0%
Mobile homes	12.1%
Median rooms	5.9
Avg household size (owned)	2.04

Year built

Era	%
2020 or later	0.0%
2010–2019	0.0%
2000–2009	8.8%
1990–1999	52.7%
1980–1989	5.5%
1970–1979	8.8%
1960–1969	0.0%
1950–1959	0.0%
1940–1949	16.5%
1939 or earlier	7.7%

Bedrooms

Size	% of units
No bedroom (studio)	18.7%
1 bedroom	12.1%
2 bedrooms	5.5%
3 bedrooms	22.0%
4 bedrooms	37.4%
5+ bedrooms	4.4%

Vehicles per household

Vehicles	% of households
No vehicle	0.0%
1 vehicle	0.0%
2 vehicles	35.9%
3 or more	64.1%

Heating fuel

Fuel type	%
Utility gas	23.4%
Propane / LP gas	23.4%
Wood	23.4%
No fuel used	29.7%

Households & families

Household type	Count	%
Married-couple family	41	64.1%
Cohabiting couple	0	0.0%
Male householder, no spouse	4	6.3%
Female householder, no spouse	19	29.7%
Households with children under 18	19	29.7%
Households with seniors (65+)	34	53.1%
Average household size	2.23

Marital status

Status	Male	Female
Never married	0.0%	22.7%
Married	90.7%	52.3%
Separated	0.0%	0.0%
Widowed	0.0%	3.4%
Divorced	9.3%	21.6%

Education

Less than 9th grade 9.9%

Some HS, no diploma 16.2%

HS graduate 23.4%

Some college, no degree 6.3%

Associate's degree 0.0%

Bachelor's degree 13.5%

Graduate / professional 30.6%

Metric	%
HS diploma or higher	73.9%
Bachelor's or higher	44.1%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	0	0.0%
Kindergarten	0	0.0%
Elementary school	0	0.0%
High school	20	100.0%
College / grad school	0	0.0%

Employment

Industry of employment

Arts, food & hospitality 39.3%

Manufacturing 25.0%

Other services 21.4%

Construction 14.3%

Occupation

Category	%
Management, business & arts	7.1%
Service	39.3%
Sales & office	39.3%
Natural resources & construction	0.0%
Production & transportation	14.3%

Employment type

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

Commute

Method	%
Drive alone	78.6%
Carpool	0.0%
Public transit	0.0%
Walk	0.0%
Work from home	21.4%
Other means	0.0%
Avg commute (minutes)	0.0

Poverty

All people 35.7%

Under 18 years 100.0%

18 and over 29.8%

Married-couple families 0.0%

Female-led households 100.0%

Income support

Source	% of households
Social Security	46.9%
Retirement income	40.6%
Supplemental Security	29.7%
Cash public assistance	0.0%
Food stamps / SNAP	29.7%

Health indicators

Condition	%
Obesity	34.1%
High blood pressure	40.5%
High cholesterol	38.9%
Diabetes	13.9%
Heart disease	10.2%
Stroke	4.7%
Asthma	10.4%
Arthritis	36.3%
Kidney disease	4.2%
Pulmonary disease	10.8%
Cancer	9.2%

Behavior / access	%
Smoking	20.8%
Binge drinking	16.4%
No physical activity	25.2%
Less than 7 hrs sleep	31.9%
Depression	22.3%
Fair or poor health	18.0%
Poor mental health	12.4%
Poor physical health	14.5%
No health insurance	11.9%
Visited doctor (checkup)	73.5%
Visited dentist	58.5%
Cholesterol screening	92.2%
Teeth loss	15.7%

Veterans & disability

Veterans	Count	%
Civilian veterans	28	21.4%

Disability	%
Any disability	30.1%
Under 18	0.0%
18–64 years	0.0%
65 and over	93.5%

Health insurance coverage

Type	%
Private insurance	55.2%
Public insurance	67.8%
No insurance	7.0%
Uninsured under 19	0.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	131	91.6%
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)	143	100.0%
Born in same state	143	100.0%
Born in different state	81	56.6%
Foreign born	0	0.0%
Naturalized citizen	0	0.0%
Not a US citizen	0	0.0%

Ancestry

Ancestry	Count	%
French	22	15.4%
Italian	15	10.5%

Ancestry	Count	%
German	7	4.9%
English	4	2.8%

Technology access

Metric	% of households
Computer access	44.8%
Internet access	100.0%

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

Frequently asked questions about ZIP code 59830

What city is ZIP code 59830 in?

ZIP code 59830 is primarily assigned to De Borgia, Montana.

What county is ZIP code 59830 in?

ZIP code 59830 falls within Mineral County, Montana.

What is the poverty rate in ZIP code 59830?

36% of residents in ZIP code 59830 live below the poverty line, above the national average.

Does ZIP code 59830 have an older population?

32% of residents in ZIP code 59830 are 65 or older, above the national average of ~17%.

Does ZIP code 59830 have a large retiree population?

47% of households in ZIP code 59830 receive Social Security income, suggesting a significant retiree or disability population.

Does ZIP code 59830 have a large veteran population?

21% of civilians in ZIP code 59830 are veterans, above the national average of ~7%.

What timezone is ZIP code 59830 in?

ZIP code 59830 observes the MST timezone.