59730 ZIP Code, Gallatin Gateway, MT
59730 is a ZIP code in Gallatin Gateway, Montana — mostly in Gallatin County (94% of its land), with smaller parts in Madison County. It covers 686 square miles of land. The closest ZIP codes are 59027, 59716 and 59065. 2,399 people live here in 943 households. It is rural, with fewer than 100 people per square mile, and owners and renters are mixed (66% own). Median household income is $98,305, above the Montana median of $72,509.
Quick facts
- Mailing city: Gallatin Gateway, MT
- County: Gallatin County
- Land area: 686 sq mi
- Population: 2,399
- Median household income: $98,305
- Carrier routes: 2 (1,159 homes)
Key figures
| Measure | Value |
|---|---|
| Residents | 2,399 |
| Households | 943 |
| Median household income | $98,305 |
| Income per person | $58,173 |
| Median age | 36.9 |
| Homeowners | 66.4% |
| Median home value | $1,014,200 |
| Median rent | not published |
| Bachelor's degree or higher | 52.3% |
| Average commute (minutes) | 27.8 |
| Households with kids under 18 | 33.0% |
| Moved in the past year | 13.3% |
| Below the poverty line | 3.7% |
| Broadband internet | 92.7% |
| Speak a non-English language at home | 2.5% |
Household income
| % of households | Value |
|---|---|
| <$10K | 2.3% |
| $10–15K | 0.0% |
| $15–25K | 2.2% |
| $25–35K | 4.3% |
| $35–50K | 11.9% |
| $50–75K | 17.1% |
| $75–100K | 17.4% |
| $100–150K | 19.1% |
| $150–200K | 8.1% |
| $200K+ | 17.6% |
Age
| % of all residents | Value |
|---|---|
| <10 | 17.5% |
| 10–19 | 6.6% |
| 20–24 | 1.5% |
| 25–34 | 19.1% |
| 35–44 | 16.9% |
| 45–54 | 11.2% |
| 55–64 | 12.9% |
| 65–74 | 10.3% |
| 75+ | 4.2% |
Tenure
| % of housing units | Value |
|---|---|
| Owned, with mortgage | 17.6% |
| Owned outright | 25.2% |
| Rented | 21.7% |
| Vacant | 35.4% |
Type of building
| % of housing units | Value |
|---|---|
| Detached house | 86.2% |
| Townhome | 0.6% |
| 2–4 units | 1.3% |
| 5–19 units | 0.0% |
| 20+ units | 0.0% |
| Mobile / other | 11.8% |
Businesses in 59730
167 business establishments with 951 employees (ZIP Codes Business Patterns 2023).
- Construction: 54
- Administrative and Support and Waste Management and Remediation Services: 22
- Professional, Scientific, and Technical Services: 14
- Real Estate and Rental and Leasing: 13
- Accommodation and Food Services: 12
- Retail Trade: 11
- Arts, Entertainment, and Recreation: 11
- Other Services (except Public Administration): 7
EDDM carrier routes
59730 has 2 USPS carrier routes with 1,159 residential and 88 business mailboxes. Open the EDDM route map.
Carrier routes in 59730
59730 has 2 USPS carrier routes (2 highway contract (H)) with 1,159 residential and 88 business mailboxes. Routes range from 547 homes (H060) to 612 homes (H061); the median route has 580 homes. The Census counted 943 households in 59730 (2020–2024 average); USPS counts current mailboxes, including new and vacant homes.
| Homes per route | Routes |
|---|---|
| 1–249 | 0 |
| 250–499 | 0 |
| 500–749 | 2 |
| 750–999 | 0 |
| 1,000–1,499 | 0 |
| 1,500+ | 0 |
Best routes in 59730 for…
Most businesses
For B2B offers: office supplies, cleaning, IT, catering and commercial services.
- Route H060 — USPS business mailboxes 53, 547 homes
- Route H061 — USPS business mailboxes 35, 612 homes
Select these 2 routes on the route map
Every carrier route in 59730
| Route | Type | Homes | Businesses | Est. median income | Est. owners | Est. families with kids | Est. moved in past year |
|---|---|---|---|---|---|---|---|
| H060 | Highway contract | 547 | 53 | $79,611 | — | — | — |
| H061 | Highway contract | 612 | 35 | $102,065 | — | — | — |
Income, owners, families and movers are estimates for each route (how we estimate them); mailbox counts are current USPS figures. Open 59730 on the EDDM route map.
How route demographics are estimated
Mailbox counts come from USPS; demographics are estimates
The number of homes and businesses on each carrier route is the current USPS EDDM count. The Census Bureau does not publish figures for carrier routes, so income, homeownership, ages, families, movers and housing age on a route are EDDM2GO estimates built from Census block groups (neighborhood areas of roughly 600 to 3,000 people).
How a route gets its figures: the block-group length-share method
We trace each route's streets every 25 meters and record which block group each stretch falls in. The route's homes are spread along its streets in proportion to length, so a route with 60% of its street length in one block group is assumed to have 60% of its homes there. Each block group then contributes its Census counts in proportion to the share of its housing units that sit on the route (capped at the whole block group). Medians are recalculated from the combined income, home-value and age brackets, the way the Census Bureau computes them, not averaged.
Margins of error
Census survey figures carry a margin of error at 90% confidence; we carry it through the calculation and show it as ±. Our margins treat the route-to-block-group split as exact, so the real uncertainty is larger. Routes with fewer than 100 estimated households, large margins, or streets we could not place are flagged.
Different years
USPS mailbox counts are current. Census figures are 5-year averages for 2020–2024, so a new subdivision may have more homes on the route today than the Census counted. Use the route figures to compare routes with each other, not as an exact head count.
Why some routes show identical figures
Two routes that run through the same block group get the same percentages and medians, because the Census publishes one set of figures for the whole block group. Their mailbox counts still differ, and those are exact.
Route and mailbox counts: USPS EDDM route data. Route demographics: EDDM2GO estimates from U.S. Census Bureau American Community Survey 5-year block-group data (2020–2024) and 2024 cartographic block-group boundaries. This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.
Nearby ZIP codes
- 59027 — South Glastonbury CDP, MT (11.5 mi)
- 59716 — Big Sky CDP, MT (13.8 mi)
- 59065 — South Glastonbury CDP, MT (22.6 mi)
Areas that include 59730
- Big Sky, MT ZIP codes — 2 ZIP codes
- Gallatin Gateway, MT ZIP codes — 2 ZIP codes
- Gallatin County ZIP codes — 10 ZIP codes
- Montana ZIP code data
Where it ranks
- No. 3 of 8: highest median household income in Gallatin County
- No. 2 of 8: highest median home value in Gallatin County
- No. 5 of 8: highest share of owner-occupied homes in Gallatin County
- No. 2 of 8: highest share of households with children in Gallatin County
- No. 5 of 8: highest share of residents who moved in during the past year in Gallatin County
- No. 4 of 8: lowest median age in Gallatin County
- No. 5 of 8: highest median age in Gallatin County
Mail every home in 59730
Route counts on this page price as Full Service 6.5 × 9 postcards: we print, bundle by carrier route and hand the mailing to USPS. Prefer to take it to the Post Office yourself? Print only costs less and you pay postage at drop-off.
EDDM guides
ZIP code statistics describe the Census ZIP Code Tabulation Area (ZCTA) 59730, which approximates the USPS ZIP code area. Census figures: American Community Survey 5-year estimates, 2020–2024.
Frequently asked questions
- What city is 59730 in?
- 59730 is a Gallatin Gateway, MT mailing address. By land area, 8% lies inside Big Sky; the rest is outside any Census-defined city or community.
- What county is 59730 in?
- 59730 is mostly in Gallatin County (94% of its land), with smaller parts in Madison County.
- What is the population of 59730?
- About 2,399 people (±468), according to the Census Bureau's American Community Survey 5-year estimates for 2020–2024. The 2020 Census counted 2,154.
- What is the median household income in 59730?
- $98,305 (±$10,714), compared with $72,509 for Montana as a whole. Half the households in the ZIP code earn more and half earn less.
- How many carrier routes and mailboxes are in 59730?
- 2 USPS carrier routes with 1,159 residential and 88 business mailboxes (1,247 in all), from the route data stored by EDDM2GO. An EDDM mailing can target any combination of these routes.
- What ZIP codes are near 59730?
- The closest, measured center to center: 59027 (11.5 mi, South Glastonbury), 59716 (13.8 mi, Big Sky) and 59065 (22.6 mi, South Glastonbury).
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.