Residential delivery area · Montana
ZIP Code 59635: East Helena, MT
ZIP code 59635 uses the postal name East Helena, Montana and lies mostly in Lewis and Clark County (38% of its land), reaching into Jefferson County and Broadwater County (Census 2020 ZIP-county file). About 8,300 people live there (Census Bureau, ACS 2020-2024). Median household income is $83,740 (Census Bureau, ACS 2020-2024). By Census place, its land lies in Spokane Creek (20%), Helena Valley Southeast (9%), Montana City (7%) and East Helena (5%); 58% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- East Helena · its only residential ZIP
- County
- Lewis and Clark County (38%); Jefferson County (36%); Broadwater County (26%)
- Census places
- Spokane Creek (20%) census-designated place; Helena Valley Southeast (9%) census-designated place; Montana City (7%) census-designated place; East Helena (5%)
- Metro area
- Helena, MT
- House district
- MT-2 119th Congress
- State
- Montana
- Time zone
- Mountain
- Land area
- 79.5 sq mi · 104 people per sq mi
Where is ZIP code 59635?
59635 centers on 46.555°, -111.814° and covers 79.5 square miles of land plus 0.1 of water. It borders 4 ZIP codes: 59647, 59602, 59634, 59601.
The map draws ZIP code areas only. For the streets inside 59635, open its center on OpenStreetMap.
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries and the 2023 Gazetteer (2020 ZCTAs); ZIP-to-county shares, Census places and House districts (119th Congress) from the Census 2020 relationship files (shares of land); metro area from the OMB delineation (July 2023); town name and time zone from simplemaps US ZIP Codes (CC BY 4.0).
How does 59635 compare with the rest of Lewis and Clark County?
| Measure | 59635 | In Lewis and Clark County | In MT |
|---|---|---|---|
| People (ACS 2020-2024) | 8,292 | 3rd of 12 | 34th of 369 |
| Median household income | $84k | 2nd of 3 | 25th of 104 |
| Median home value | $396k | 2nd of 5 | 43rd of 120 |
Its median household income is higher than in 66% of U.S. residential ZIP codes, and it is denser than 54% of all U.S. residential ZIP codes. ZIP codes at the ACS caps ($250,000 or more for household income, $2,000,000 or more for home value) share the top rank.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B19013, B25077); ranks by PlainZIP over residential ZIP codes (ZCTAs).
How many people live in 59635?
The 2020 Census counted 7,738 people in 59635; the ACS, which samples households over 2020-2024, estimates 8,292. Its boundary changed between the 2010 and 2020 censuses, so the two counts are not compared.
- People, ACS 2020-2024
- 8,292±876 (90% margin)
- 2020 Census count
- 7,738
- Households
- 3,381
- Median age
- 42.5
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B01002, B11001); 2020 Census (DHC P1); 2010 Census (SF1 P1).
Who lives in 59635?
Of the 8,292 people the ACS estimates in 59635, 19.8% are under 18 and 16.1% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (90.7%).
- Under 1819.8%
- 18 to 6464.1%
- 65 and older16.1%
- White, not Hispanic90.7%
- Other or two or more5.0%
- Hispanic or Latino3.5%
- Black, not Hispanic0.5%
- Asian, not Hispanic0.2%
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01001 age by sex, B03002 Hispanic or Latino origin by race); shares of the estimated population, small ZIP codes carry wide margins.
What do households in 59635 earn?
Median household income is $83,740 (ACS 2020-2024), the 2nd highest of the 3 ranked ZIP codes in Lewis and Clark County.
- Median household income
- $83,740±$12,741
- Income per person
- $43,827
- Below the poverty line
- 6.5%
- Unemployed (of the labor force)
- 1.7%
- Adults 25+ with a bachelor's degree
- 37.0%
- Adjusted gross income per tax return, 2022
- $69,6664,470 returns; wages 72% of AGI (IRS)
Source: U.S. Census Bureau, ACS 2020-2024 and 2015-2019 5-year estimates (B19013, B19301, B17001, B23025, B15003; 2015-2019 dollars converted with the BLS CPI-U, 1.22699); IRS Statistics of Income, ZIP code data, tax year 2022 (adjusted gross income per return, filed under the address on the return).
What are homes worth in 59635?
FHFA's house price index for 59635, built from repeat sales and appraisals of the same homes, rose 118% from 2015 to 2025 and rose 68% from 2020 to 2025, and moved +1.5% in 2025.
- Median home value (owners' estimate)
- $395,600
- Median gross rent
- $1,053
- Homes owned by their occupants
- 82.8%
- Housing units
- 3,423
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001); FHFA House Price Index, annual five-digit ZIP, updated 2026-03-31.
What businesses are in 59635?
140 business establishments had a location in this ZIP code in 2023, 12 more than in 2018; the most are in construction (ZIP Code Business Patterns).
- Construction39
- Other services (except public administration)20
- Administrative and support and waste management and remediation services17
- Retail trade11
- Real estate and rental and leasing11
- Manufacturing8
Source: U.S. Census Bureau, ZIP Code Business Patterns 2023 and 2018 (establishments with paid employees, by the business's ZIP code).
Which ZIP codes are next to 59635?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 59647 | Winston | 358 | – | 10.0 mi |
| 59602 | Helena | 30,754 | $93k | 12.7 mi |
| 59634 | Clancy | 5,521 | $130k | 12.8 mi |
| 59601 | Helena | 31,728 | $72k | 18.4 mi |
| 59623 | Helena | 0 | – | 11.0 mi (near) |
| 59625 | Helena | 663 | – | 11.1 mi (near) |
| 59636 | Fort Harrison | 32 | – | 14.8 mi (near) |
| 59638 | Jefferson City | 769 | $127k | 17.0 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.