What County Is Big Sky, Montana In?

Big Sky is in Gallatin County and Madison County. Check a specific address near a county line.

Big Sky CDP: generalized boundary, north up. Open street map ↗
Official code
3006325
Representative coordinates
45.256435, -111.332002
Land area
310.812 km²
Water area
0.614 km²
State
Montana
Look up this point

The representative point identifies this area. It is not a street address or a boundary survey.

County boundaries in Big Sky

This place crosses county lines. A city name alone cannot identify the county for every address. Check a point on the county map.

Coordinates of Big Sky

45.256435, -111.332002 is the Census representative point, not a street address. Convert these coordinates or prepare a map link.

Elevation in Big Sky

2,114 m · 6,936 ft. GNIS archived height at its named reference point (45.2592298, -111.3426049), which may differ from the Census point. Terrain height varies across the place; this is not a city-wide or surveyed elevation. Request height at a different point.

Today’s sunrise and sunset

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Approximate calculations at the representative coordinates, using a level horizon. Terrain and weather can change what you see.

Time zones in Big Sky

The representative point uses America/Denver.

Time zoneLocal time and UTC offsetNext clock change
America/DenverUTC-07:00 in January; UTC-06:00 in July. Enable JavaScript for the live clock.Enable JavaScript for upcoming changes.

Listed zones overlap the mapped area. A point lookup can distinguish sides of a boundary. Your device’s zone may differ.

Census ZIP areas

59716 · 59730

These statistical areas overlap the boundary. They are not delivery assignments; confirm mailing details with USPS ZIP Code Lookup.

Nearest place by representative point

This is the nearest Census place by straight-line distance between representative coordinates. It is not a road distance.

Before using this answer on a form

A city boundary, a CDP and a mailing city can mean different things.

Find the county at your current point, check its ZIP area, or find its physical time zone.

Open the Census geography profile ↗

Small boundary contacts to check

These maps have small contacts that do not confidently establish another jurisdiction or clock zone. They remain separate from the main answer. Check a precise address near the line with the responsible authority.