59635
ZIP 59635 is East Helena, Montana, mostly in Lewis and Clark County; area code 406; Mountain time.
- Type
- Standard
- Time zone
- America/Denver
- County
- Lewis and Clark +2 more
- Metro area
- Helena, MT
- Population
- 8,292
- Coordinates
- 46.5553, -111.8142
Weather right now
Asking the National Weather Service…
Where 59635 is
Approximate ZIP boundary (Census ZCTA 2020). ZIP codes are mail routes, not areas, so the shape shown is the Census tabulation area that approximates it.
- 🔢 Type 59635 into a pocket calculator and turn it upside down: SEgGS — not quite a word, sorry.
- ➕ As a number, 59,635 = 5 × 11927. Its digits add up to 28, a total 1,520 other ZIP codes share.
- 💾In binary, the way a computer stores it:
1110100011110011 - 🏠 Its numerical neighbours: 59634 (Clancy, MT, 13 mi away) and 59636 (Fort Harrison, MT, 15 mi away).
- 🔄 Backwards, 59635 becomes 53695, which is not a ZIP code at all.
- 👥 26 other ZIP codes are made of exactly the same digits (35956, 36559, 39556, 39565, 53569, 53596, …). The farthest-flung twin is 96553 in APO AA, a military post office, 8,173 miles away.
- 🧭 Farther north than 95% of all ZIP codes, and farther west than 87%.
- 🎯811 miles northwest of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 59635 and you would come out at 46.56°S, 68.19°E — 215 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
- ☀Longest day of the year: 15h 50m of daylight. Shortest: 8h 34m.
- 📏 At 79.5 square miles of land, 59635 is bigger than 72% of ZIP codes — room for about 60 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 8,292This ZIP8,292 |
|---|---|
| Households | 3,381This ZIP3,381 |
| Housing units | 3,423This ZIP3,423 |
| Median age | 42.5This ZIP42.5Montana40.4US 38.9 |
| Median household income | $83,740This ZIP$83,740Montana$72,509US $80,734 |
| Median home value | $395,600This ZIP$395,600Montana$375,800US $332,700 |
| Median gross rent | $1,053This ZIP$1,053Montana$1,081US $1,413 |
| Bachelor's degree or higher | 37.0%This ZIP37.0% |
| Mean commute | 26.1 minThis ZIP26.1 min |
| Population density | 104.3 / sq miThis ZIP104.3 / sq mi |
Business and tax activity
| Business establishments | 140This ZIP140 |
|---|---|
| Employees | 875This ZIP875 |
| Annual payroll | $39,340,000This ZIP$39,340,000 |
| Tax returns filed | 4,470This ZIP4,470 |
| Total adjusted gross income | $311,405,000This ZIP$311,405,000 |
Land area
| Land area | 79.52 sq miThis ZIP79.52 sq mi |
|---|---|
| Water area | 0.12 sq miThis ZIP0.12 sq mi |
Counties 59635 spans
A ZIP code is a mail route and ignores county lines. Shares are by overlapping land area.
| County | Share of this ZIP |
|---|---|
| Lewis and Clark County | 38.1% |
| Jefferson County | 36.2% |
| Broadwater County | 25.8% |
Other place names in 59635
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 59635
| ZIP | City | Distance |
|---|---|---|
59647 | Winston, MT | 10.0 mi |
59604 | Helena, MT | 10.7 mi |
59620 | Helena, MT | 10.8 mi |
59624 | Helena, MT | 10.8 mi |
59626 | Helena, MT | 10.8 mi |
59623 | Helena, MT | 11.0 mi |
59625 | Helena, MT | 11.1 mi |
59602 | Helena, MT | 12.7 mi |
59634 | Clancy, MT | 12.8 mi |
59636 | Fort Harrison, MT | 14.8 mi |
Find every ZIP code within 10 miles of 59635 →
Questions about this ZIP code
Where is ZIP code 59635?
59635 is in East Helena, Montana, in Lewis and Clark County, part of the Helena, MT metropolitan area. Its published point location is 46.5553, -111.8142.
What county is 59635 in?
59635 spans 3 counties: Lewis and Clark County, Jefferson County and Broadwater County. Most of it falls in Lewis and Clark County, measured by overlapping land area — the county holding the most land in a ZIP code is not always the one holding the most residents.
What area code is 59635?
East Helena uses area code 406, from NANPA's telephone records.
What time zone is 59635 in?
59635 uses America/Denver.
How many people live in 59635?
About 8,292 people live in ZIP code 59635, in 3,381 households, at 104.3 people per square mile. These are American Community Survey 5-year estimates for the ZIP Code Tabulation Area, not a headcount.
What is the median household income in 59635?
$83,740 a year, against $72,509 across Montana.
What ZIP codes are near 59635?
The closest are 59647 (10 mi), 59604 (10.7 mi), 59620 (10.8 mi), 59624 (10.8 mi) and 59626 (10.8 mi).
Is 59635 a PO Box ZIP code?
59635 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “59635 ZIP Code — East Helena, Montana (Lewis and Clark County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/59635
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/59635.json Underlying data is public domain or openly licensed — sources, vintages and licences.