59635 ZIP Code — East Helena, MT

Lewis And Clark County, Montana

ZIP code 59635 is located in East Helena, Montana, within Lewis And Clark County. It covers approximately 79.52 square miles and serves a population of 7,815 residents. This is a standard ZIP code in the Mountain (MT) timezone, served by area code 406.

About ZIP code 59635

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1970s, giving the area an established character. Median home value is $299,300. Owner-occupancy is high at 85%, well above the national average.

Median household income is $69,295. 30% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 22 minutes is near the national average.

Educational attainment is near the national average, with 30% of residents holding a bachelor's degree or higher.

Overall, ZIP code 59635 reflects a community defined by high homeownership and a significant Social Security-dependent population.

7,815

population

79.52

sq mi land

Standard

ZIP type

Mountain (MT)

timezone

59635 ZIP code map

Cities in ZIP code 59635

Below are the cities the US Postal Service accepts for ZIP code 59635. Using any city not on this list may result in mail delivery delays.

City	Status
East Helena	Preferred

Nearby ZIP codes

59602 Helena (8.5 mi) 59623 Helena (9.3 mi) 59626 Helena (9.3 mi) 59625 Helena (9.4 mi) 59601 Helena (14.3 mi)

Demographics updated 06/2026

Population
Total population	7,815
Population density	98 / sq mi
State FIPS	30
County FIPS	049

Geography
Land area	79.52 sq mi
Water area	0.12 sq mi
Latitude	46.6016
Longitude	-111.8405
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	36.9%	37.9%	44.2%
$50k – $100k	41.5%	31.8%	32.0%
$100k – $200k	20.8%	25.4%	19.2%
Over $200k	0.9%	4.9%	4.7%

Demographics & statistics

7,815

Population

People per sq mi

44.2

Median age

$69,295

Median household income

$32,525

Per capita income

$299,300

Median home value

$909

Median monthly rent

85.2%

Home ownership

14.9%

Poverty rate

4.4%

Unemployment

2,789

Housing units

30.4%

Bachelor's or higher

Age distribution

Male Female

283

Under 5

259

161

5–9

146

278

10–14

253

259

15–19

236

227

20–24

208

484

25–34

441

426

35–44

388

496

45–54

453

442

55–59

404

312

60–64

284

593

65–74

542

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	1,786	22.9%
18 and over	6,029	77.1%
65 and over	1,375	17.6%
Median age	44.2 years

Race & ethnicity

White 91.6%

Two or more races 2.9%

Hispanic or Latino 2.8%

Other race 1%

Black or African American 0.7%

Asian 0.5%

American Indian / Alaska Native 0.4%

Group	Count	%
White	7,370	91.6%
Two or more races	236	2.9%
Hispanic or Latino	228	2.8%
Other race	81	1%
Black or African American	53	0.7%
Asian	41	0.5%
American Indian / Alaska Native	34	0.4%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	36.9%	37.9%	44.2%
$50k – $100k	41.5%	31.8%	32.0%
$100k – $200k	20.8%	25.4%	19.2%
Over $200k	0.9%	4.9%	4.7%

Under $10k 5.6%

$10k–$15k 1.6%

$15k–$25k 7.6%

$25k–$35k 6.4%

$35k–$50k 9.7%

$50k–$75k 21.0%

$75k–$100k 16.0%

$100k–$150k 23.1%

$150k–$200k 6.8%

$200k+ 2.3%

Range	% of households
Under $10k	5.6%
$10k–$15k	1.6%
$15k–$25k	7.6%
$25k–$35k	6.4%
$35k–$50k	9.7%
$50k–$75k	21.0%
$75k–$100k	16.0%
$100k–$150k	23.1%
$150k–$200k	6.8%
$200k+	2.3%
Median income	$69,295

Housing

Home values

Under $50k 9.2%

$50k–$100k 1.4%

$100k–$150k 2.9%

$150k–$200k 6.0%

$200k–$300k 30.8%

$300k–$500k 37.6%

$500k–$1M 10.4%

$1M+ 1.8%

Housing overview

Metric	Value
Median home value	$299,300
Median rent / month	$909
Owner occupied	85.2%
Renter occupied	14.8%
Vacant	2.2%
Single-family detached	78.4%
Large apartment buildings	0.0%
Mobile homes	8.9%
Median rooms	6.4
Avg household size (owned)	2.51

Year built

Era	%
2020 or later	1.4%
2010–2019	9.1%
2000–2009	17.3%
1990–1999	11.9%
1980–1989	14.4%
1970–1979	23.3%
1960–1969	7.3%
1950–1959	3.7%
1940–1949	2.2%
1939 or earlier	9.5%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	5.6%
2 bedrooms	15.8%
3 bedrooms	42.5%
4 bedrooms	23.0%
5+ bedrooms	13.1%

Vehicles per household

Vehicles	% of households
No vehicle	2.9%
1 vehicle	15.5%
2 vehicles	38.3%
3 or more	43.3%

Heating fuel

Fuel type	%
Utility gas	61.1%
Electricity	20.7%
Propane / LP gas	11.4%
Wood	4.9%
Solar	0.9%
No fuel used	0.5%

Households & families

Household type	Count	%
Married-couple family	1,694	53.1%
Cohabiting couple	401	12.6%
Male householder, no spouse	435	13.6%
Female householder, no spouse	659	20.7%
Households with children under 18	885	27.8%
Households with seniors (65+)	941	29.5%
Average household size	2.44

Marital status

Status	Male	Female
Never married	26.5%	21.9%
Married	54.8%	53.8%
Separated	1.3%	2.4%
Widowed	3.3%	6.2%
Divorced	14.1%	15.7%

Education

Less than 9th grade 1.0%

Some HS, no diploma 6.7%

HS graduate 28.5%

Some college, no degree 22.4%

Associate's degree 11.0%

Bachelor's degree 20.5%

Graduate / professional 9.8%

Metric	%
HS diploma or higher	92.3%
Bachelor's or higher	30.4%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	64	5.0%
Kindergarten	50	3.9%
Elementary school	705	55.2%
High school	312	24.4%
College / grad school	147	11.5%

Employment

Industry of employment

Education & healthcare 19.1%

Construction 18.1%

Public administration 17.6%

Retail trade 10.0%

Arts, food & hospitality 7.9%

Professional & management 7.2%

Finance & real estate 5.1%

Transportation & utilities 4.1%

Other services 2.9%

Manufacturing 2.8%

Agriculture & mining 2.5%

Information 1.6%

Wholesale trade 1.0%

Occupation

Category	%
Management, business & arts	45.9%
Service	13.7%
Sales & office	17.2%
Natural resources & construction	12.7%
Production & transportation	10.5%

Employment type

Type	%
Private sector	66.4%
Government	25.3%
Self-employed	7.8%
Unpaid family workers	0.5%

Commute

Method	%
Drive alone	75.0%
Carpool	9.0%
Public transit	0.8%
Walk	0.8%
Work from home	10.3%
Other means	4.0%
Avg commute (minutes)	21.7

Poverty

All people 14.9%

Under 18 years 29.1%

18 and over 10.7%

Married-couple families 2.8%

Female-led households 22.1%

Income support

Source	% of households
Social Security	30.4%
Retirement income	32.5%
Supplemental Security	8.1%
Cash public assistance	1.3%
Food stamps / SNAP	12.5%

Health indicators

Condition	%
Obesity	31.5%
High blood pressure	27.6%
High cholesterol	28.4%
Diabetes	8.4%
Heart disease	5.3%
Stroke	2.6%
Asthma	10.7%
Arthritis	23.3%
Kidney disease	2.5%
Pulmonary disease	6.4%
Cancer	5.6%

Behavior / access	%
Smoking	19.2%
Binge drinking	22.8%
No physical activity	20.5%
Less than 7 hrs sleep	30.9%
Depression	26.0%
Fair or poor health	12.8%
Poor mental health	14.7%
Poor physical health	10.4%
No health insurance	12.4%
Visited doctor (checkup)	70.2%
Visited dentist	60.4%
Cholesterol screening	86.2%
Teeth loss	14.2%

Veterans & disability

Veterans	Count	%
Civilian veterans	516	8.6%

Disability	%
Any disability	13.8%
Under 18	8.8%
18–64 years	12.3%
65 and over	25.5%

Health insurance coverage

Type	%
Private insurance	67.0%
Public insurance	42.2%
No insurance	7.2%
Uninsured under 19	2.4%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	7,273	93.1%
Spanish	26	0.4%
Other Indo-European	0	0.0%
Asian & Pacific Islander	26	0.4%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	7,636	97.7%
Born in same state	7,636	97.7%
Born in different state	4,335	55.5%
Foreign born	0	0.0%
Naturalized citizen	179	2.3%
Not a US citizen	162	90.5%

Ancestry

Ancestry	Count	%
Italian	1,471	18.8%
French	951	12.2%
Polish	765	9.8%

Ancestry	Count	%
Arab	139	1.8%
English	50	0.6%
Dutch	22	0.3%

Technology access

Metric	% of households
Computer access	40.8%
Internet access	95.5%

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

Frequently asked questions about ZIP code 59635

What city is ZIP code 59635 in?

ZIP code 59635 is primarily assigned to East Helena, Montana.

What county is ZIP code 59635 in?

ZIP code 59635 falls within Lewis And Clark County, Montana.

Is ZIP code 59635 mostly owner-occupied?

85% of occupied units in ZIP code 59635 are owner-occupied, well above the national average.

What is the population of ZIP code 59635?

ZIP code 59635 has an estimated population of 7,815 residents, with a density of 98 people per square mile.

What is the typical home value in ZIP code 59635?

The median home value in ZIP code 59635 is $299,300.

What is the median household income in ZIP code 59635?

The median household income in ZIP code 59635 is $69,295, below the national median of ~$75,000.

What timezone is ZIP code 59635 in?

ZIP code 59635 observes the MST timezone.