59843 ZIP Code — Helmville, MT

Powell County, Montana

ZIP code 59843 is located in Helmville, Montana, within Powell County. It covers approximately 425.65 square miles and serves a population of 256 residents. This is a standard ZIP code in the Mountain (MT) timezone, served by area code 406.

About ZIP code 59843

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 $531,300. Owner-occupancy sits near the national average at 46%.

The gap between median ($76,094) and mean household income suggests income inequality — a small number of higher earners pull the average up. The poverty rate of 2% is below the national average.

The dominant occupation class is natural resources, construction, and trades, with agriculture and mining as the leading industry. The average commute of 18 minutes is near the national average.

Educational attainment is high — 49% of residents hold a bachelor's degree or higher, well above the national average of 33%.

256

population

425.65

sq mi land

Standard

ZIP type

Mountain (MT)

timezone

59843 ZIP code map

Cities in ZIP code 59843

Below are the cities the US Postal Service accepts for ZIP code 59843. Using any city not on this list may result in mail delivery delays.

City	Status
Helmville	Preferred

Nearby ZIP codes

59639 Lincoln (18.8 mi)

Demographics updated 06/2026

Population
Total population	256
Population density	1 / sq mi
State FIPS	30
County FIPS	077

Geography
Land area	425.65 sq mi
Water area	1.70 sq mi
Latitude	46.8728
Longitude	-113.0011
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	36.3%	49.7%	44.2%
$50k – $100k	55.6%	33.9%	32.0%
$100k – $200k	6.5%	13.8%	19.2%
Over $200k	1.6%	2.6%	4.7%

Demographics & statistics

256

Population

People per sq mi

30.1

Median age

$76,094

Median household income

$64,139

Per capita income

$531,300

Median home value

$500

Median monthly rent

45.5%

Home ownership

2.3%

Poverty rate

0.0%

Unemployment

141

Housing units

48.9%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

10–14

15–19

25–34

35–44

45–54

55–59

60–64

65–74

75–84

← Male

Female →

Age summary

Group	Count	%
Under 18	59	23.0%
18 and over	197	77.0%
65 and over	39	15.2%
Median age	30.1 years

Race & ethnicity

White 95%

Two or more races 3.5%

Hispanic or Latino 1.5%

Group	Count	%
White	247	95%
Two or more races	9	3.5%
Hispanic or Latino	4	1.5%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	36.3%	49.7%	44.2%
$50k – $100k	55.6%	33.9%	32.0%
$100k – $200k	6.5%	13.8%	19.2%
Over $200k	1.6%	2.6%	4.7%

Under $10k 4.0%

$10k–$15k 2.0%

$15k–$25k 1.0%

$25k–$35k 10.1%

$35k–$50k 16.2%

$50k–$75k 6.1%

$75k–$100k 30.3%

$100k–$150k 12.1%

$150k–$200k 10.1%

$200k+ 8.1%

Range	% of households
Under $10k	4.0%
$10k–$15k	2.0%
$15k–$25k	1.0%
$25k–$35k	10.1%
$35k–$50k	16.2%
$50k–$75k	6.1%
$75k–$100k	30.3%
$100k–$150k	12.1%
$150k–$200k	10.1%
$200k+	8.1%
Median income	$76,094

Housing

Home values

Under $50k 2.2%

$100k–$150k 11.1%

$150k–$200k 15.6%

$200k–$300k 6.7%

$300k–$500k 13.3%

$500k–$1M 13.3%

$1M+ 37.8%

Housing overview

Metric	Value
Median home value	$531,300
Median rent / month	$500
Owner occupied	45.5%
Renter occupied	54.5%
Vacant	49.2%
Single-family detached	96.4%
Large apartment buildings	0.0%
Mobile homes	3.6%
Median rooms	5.6
Avg household size (owned)	3.00

Year built

Era	%
2020 or later	0.0%
2010–2019	3.6%
2000–2009	9.7%
1990–1999	16.4%
1980–1989	12.3%
1970–1979	12.8%
1960–1969	3.1%
1950–1959	8.7%
1940–1949	12.3%
1939 or earlier	21.0%

Bedrooms

Size	% of units
No bedroom (studio)	13.8%
1 bedroom	14.4%
2 bedrooms	17.9%
3 bedrooms	25.1%
4 bedrooms	20.5%
5+ bedrooms	8.2%

Vehicles per household

Vehicles	% of households
No vehicle	0.0%
1 vehicle	5.1%
2 vehicles	55.6%
3 or more	39.4%

Heating fuel

Fuel type	%
Electricity	3.0%
Propane / LP gas	24.2%
Fuel oil	27.3%
Wood	44.4%

Households & families

Household type	Count	%
Married-couple family	67	67.7%
Cohabiting couple	3	3.0%
Male householder, no spouse	19	19.2%
Female householder, no spouse	10	10.1%
Households with children under 18	9	9.1%
Households with seniors (65+)	27	27.3%
Average household size	2.59

Marital status

Status	Male	Female
Never married	40.3%	40.7%
Married	53.8%	48.3%
Separated	0.0%	0.0%
Widowed	1.7%	9.3%
Divorced	4.2%	1.7%

Education

Less than 9th grade 0.0%

Some HS, no diploma 1.1%

HS graduate 23.7%

Some college, no degree 18.4%

Associate's degree 7.9%

Bachelor's degree 43.2%

Graduate / professional 5.8%

Metric	%
HS diploma or higher	98.9%
Bachelor's or higher	48.9%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	0	0.0%
Kindergarten	0	0.0%
Elementary school	13	23.2%
High school	40	71.4%
College / grad school	3	5.4%

Employment

Industry of employment

Agriculture & mining 61.2%

Professional & management 9.2%

Arts, food & hospitality 7.2%

Finance & real estate 4.6%

Education & healthcare 4.6%

Transportation & utilities 3.9%

Construction 3.3%

Public administration 2.6%

Retail trade 2.0%

Wholesale trade 0.7%

Other services 0.7%

Occupation

Category	%
Management, business & arts	38.2%
Service	2.6%
Sales & office	14.5%
Natural resources & construction	38.8%
Production & transportation	5.9%

Employment type

Type	%
Private sector	75.0%
Government	11.2%
Self-employed	13.8%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	32.9%
Carpool	27.6%
Public transit	0.0%
Walk	21.1%
Work from home	18.4%
Other means	0.0%
Avg commute (minutes)	18.0

Poverty

All people 2.3%

Under 18 years 0.0%

18 and over 3.0%

Married-couple families 0.0%

Female-led households 0.0%

Income support

Source	% of households
Social Security	26.3%
Retirement income	22.2%
Supplemental Security	2.0%
Cash public assistance	2.0%
Food stamps / SNAP	2.0%

Health indicators

Condition	%
Obesity	32.8%
High blood pressure	35.3%
High cholesterol	36.0%
Diabetes	11.2%
Heart disease	8.1%
Stroke	3.7%
Asthma	10.1%
Arthritis	31.2%
Kidney disease	3.4%
Pulmonary disease	8.6%
Cancer	8.1%

Behavior / access	%
Smoking	19.7%
Binge drinking	19.5%
No physical activity	24.1%
Less than 7 hrs sleep	31.2%
Depression	22.5%
Fair or poor health	15.5%
Poor mental health	12.6%
Poor physical health	12.4%
No health insurance	12.6%
Visited doctor (checkup)	71.0%
Visited dentist	62.7%
Cholesterol screening	90.4%
Teeth loss	14.8%

Veterans & disability

Veterans	Count	%
Civilian veterans	13	6.6%

Disability	%
Any disability	15.6%
Under 18	33.9%
18–64 years	5.1%
65 and over	30.8%

Health insurance coverage

Type	%
Private insurance	80.9%
Public insurance	23.0%
No insurance	9.4%
Uninsured under 19	0.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	250	97.7%
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)	256	100.0%
Born in same state	256	100.0%
Born in different state	138	53.9%
Foreign born	0	0.0%
Naturalized citizen	0	0.0%
Not a US citizen	0	0.0%

Ancestry

Ancestry	Count	%
Italian	51	19.9%
French	26	10.2%
Polish	12	4.7%

Ancestry	Count	%
Arab	7	2.7%
German	2	0.8%

Technology access

Metric	% of households
Computer access	38.7%
Internet access	99.0%

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

Frequently asked questions about ZIP code 59843

What city is ZIP code 59843 in?

ZIP code 59843 is primarily assigned to Helmville, Montana.

What county is ZIP code 59843 in?

ZIP code 59843 falls within Powell County, Montana.

How educated is the population of ZIP code 59843?

49% of residents hold a bachelor's degree or higher — well above the national average of ~33%, reflecting a highly educated population.

What is the typical home value in ZIP code 59843?

The median home value in ZIP code 59843 is $531,300.

What is the population of ZIP code 59843?

ZIP code 59843 has an estimated population of 256 residents, with a density of 1 people per square mile.

What is the median household income in ZIP code 59843?

The median household income in ZIP code 59843 is $76,094, above the national median of ~$75,000.

What timezone is ZIP code 59843 in?

ZIP code 59843 observes the MST timezone.