What County Is Johnstown, Colorado In?

Johnstown is in Larimer County and Weld County. Check a specific address near a county line.

Johnstown town: generalized boundary, north up. Open street map ↗
Official code
0839855
Representative coordinates
40.307248, -104.911205
Land area
40.355 km²
Water area
0.223 km²
State
Colorado
Look up this point

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

County boundaries in Johnstown

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 Johnstown

40.307248, -104.911205 is the Census representative point, not a street address. Convert these coordinates or prepare a map link.

Elevation in Johnstown

1,522 m · 4,993 ft. GNIS archived height at its named reference point (40.3459931, -104.9711892), 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

Enable JavaScript to calculate today’s sunrise and sunset.

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

Time zones in Johnstown

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

80513 · 80534 · 80537 · 80538 · 80543

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

Areas sharing the mapped boundary

These areas touch this mapped boundary.

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.