Zip Code 59602
Helena, Montana — Lewis and Clark County
📍 ZIP code 59602 is in Helena, Lewis and Clark County, Montana.
ZIP code 59602 is located in Helena, Lewis and Clark County, Montana. It is a zip code in the Mountain (MST/MDT) Time Zone with an estimated population of 30,379. The area code for ZIP code 59602 is 406.
Quick Answer
Zip code 59602 is in Helena, Montana (Lewis and Clark County). It has a population of 30,379, median household income of $87,841, and median home value of $369,800.
Population
30,379
Income
$87,841
Home Value
$369,800
Climate
86°F / 14°F
About Zip Code 59602
Zip code 59602 is located in Helena, Montana, within Lewis and Clark County. Home to approximately 30,379 residents, this area sits at an elevation of 4155 ft and falls within the Mountain (MST/MDT) timezone. The local area code is 406.
The median household income is $87,841 per year, which is above the national median of $70,784. Homes in this zip code have a median value of $369,800, and the cost of living index is 123 (23% above the national average of 100).
Summers average a high of 86°F while winters drop to 14°F. The area receives about 11 in of rain and 37 in of snow annually. The zip code covers 533.6 square miles of land area and 20.7 square miles of water.
Key Statistics
30,379
$87,841
$369,800
Mountain (MST/MDT)
406
4155 ft
533.6 sq mi
39.9
12,091
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Compare With Nearby Zip Codes
| Metric | 59602 | 59635 | 59636 | 59634 | 59640 | 59601 |
|---|---|---|---|---|---|---|
| City | Helena, MT | East Helena, MT | Fort Harrison, MT | Clancy, MT | Lincoln, MT | Helena, MT |
| Population | 30,379 | 8,382 | 29 | 5,238 | 105 | 31,822 |
| Median Income | $87,841 | $73,664 | $0 | $120,881 | $95,250 | $70,502 |
| Home Value | $369,800 | $356,200 | $0 | $500,700 | $275,000 | $355,000 |
| Cost of Living | 123 | 101 | 100 | 155 | 62 | 105 |
| Median Age | 39.9 | 42.1 | 23.6 | 43.5 | 61.4 | 41.1 |
Cost of Living
100 = National Average. Helena's cost of living is 23% above the national average.
vs. State Avg
Above
Affordability
Expensive
Income-to-Home
4.2x
Demographics
Zip code 59602 has a population of 30,379 people with a median age of 39.9. There are 12,091 housing units in this area.
Racial & Ethnic Composition
Source: U.S. Census Bureau American Community Survey estimates.
Population History
Helena (59602) population trend from 2010 to 2024
↓ -3.3%Source: U.S. Census Bureau estimates and American Community Survey data.
Climate & Weather
86°F
14°F
11 in
37 in
Helena experiences warm summers with average highs around 86°F. Winters are cold with lows averaging 14°F. With 37 in of annual snowfall, residents should be prepared for significant winter weather.
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Housing & Economy
Median Home Value
$369,800
Median Household Income
$87,841
With 12,091 housing units across 533.6 square miles, 59602 has a housing density of 23 units per square mile. The home price-to-income ratio is 4.2x.
Location & Geography
Latitude
46.7394°
Longitude
-111.9055°
Land Area
533.6 sq mi
Water Area
20.7 sq mi
Nearby Zip Codes
Zip codes closest to 59602 (Helena, MT) with distances:
All Zip Codes in Helena, MT
Other zip codes serving Helena:
ZIP Codes with Similar Income Nationwide
The five U.S. ZIP codes whose median household income is closest to 59602's $87,841. A way to compare Helena to economically similar communities elsewhere in the country.
Computed from U.S. Census Bureau ACS 5-Year Estimates by the Zip Code Near Me Data Team.
ZIP Codes with Similar Demographics
The five U.S. ZIP codes whose racial and ethnic composition most closely matches 59602 (Helena, MT). Similarity is measured by cosine distance on the five-category ACS demographic vector.
Computed from U.S. Census Bureau ACS 5-Year Estimates by the Zip Code Near Me Data Team.
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People Also Ask
What zip code is Helena, Montana?
Helena, Montana uses zip code 59602 along with 1 other zip codes.
What county is zip code 59602 in?
Zip code 59602 is located in Lewis and Clark County, Montana.
What is the population of zip code 59602?
The population of zip code 59602 is 30,379 with a median age of 39.9.
Is 59602 in Helena, Montana?
Yes, zip code 59602 is in Helena, Lewis and Clark County, Montana. The area code is 406.
Frequently Asked Questions
What city is zip code 59602 in?
Zip code 59602 is in Helena, Montana. It is part of Lewis and Clark County and uses the Mountain (MST/MDT) timezone.
What is zip code 59602?
Zip code 59602 is a U.S. postal code in Helena, Montana (Lewis and Clark County). It has a population of 30,379 and covers 533.6 square miles.
What is the population of zip code 59602?
The population of zip code 59602 (Helena, MT) is 30,379 with a median age of 39.9. There are approximately 12,091 housing units in this area.
What is the median income in zip code 59602?
The median household income in zip code 59602 (Helena, MT) is $87,841 per year. The cost of living index is 123 (100 = national average).
What is the average home price in zip code 59602?
The median home value in zip code 59602 (Helena, MT) is $369,800. The cost of living index is 123 compared to the national average of 100.
What county is zip code 59602 in?
Zip code 59602 is located in Lewis and Clark County, Montana. The primary city is Helena.
What is the area code for zip code 59602?
Zip code 59602 in Helena, MT uses area code 406. It is located in the Mountain (MST/MDT) timezone.
Is zip code 59602 a good place to live?
Zip code 59602 (Helena, MT) has a cost of living index of 123 (100 = national average), a median household income of $87,841, and median home values of $369,800. The median age is 39.9. Visit the full page for demographics, climate, and nearby zip code comparisons.
What is the cost of living in zip code 59602?
The cost of living index for zip code 59602 (Helena, MT) is 123, where 100 represents the national average. This area is above the national average. Median home value: $369,800.
What schools serve zip code 59602?
Zip code 59602 in Helena, Montana is served by the local school district of Lewis and Clark County. For specific school information, check your state's department of education or GreatSchools.org.
All demographic data on this page is sourced from the U.S. Census Bureau American Community Survey (ACS) 5-Year Estimates. ZIP code boundary and delivery data is sourced from the United States Postal Service (USPS). Data is updated periodically and may not reflect the most current figures. Census Bureau ZIP Code Tabulation Areas (ZCTAs) may differ slightly from USPS ZIP code boundaries.
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Data Sources
- Population, income, housing, age, and demographics
- U.S. Census Bureau, American Community Survey 5-Year Estimates, 2019-2023 vintage.
- ZIP to city and county mapping
- USPS and HUD-USPS ZIP-County Crosswalk.
- Time zones and area codes
- IANA tz database and NANPA.
- Elevation
- U.S. Geological Survey National Elevation Dataset (NED), via the USGS Elevation Point Query Service. Mapped to each ZCTA centroid coordinates. Last refreshed 2026-05-19.
- Last refreshed
- 2026-05-18.