Johnstown, CO ZIP Codes, Coordinates & Counties

Johnstown, Colorado has 1 ZIP code in Weld county. The approximate center of Johnstown is 40.332, -104.935. Johnstown has about 49,275 known street addresses.

ZIP codes
1
Counties
1
State
Colorado (CO)
Coordinates
40.332, -104.935
Mapped addresses
49,275

ZIP codes in Johnstown, CO

ZIP CodeCountyLatitudeLongitude
80534 Weld 40.332 -104.935

Counties Johnstown spans

Weld

Most common streets in Johnstown

Frontage, 1st, Us Highway 34, 2nd, Charlotte, Northmoor, 4th, 3rd, Poplar, 5th

Frequently asked questions

What ZIP codes are in Johnstown, CO?

Johnstown, Colorado has 1 ZIP code, ranging from 80534 to 80534. The full list, with each ZIP's county and coordinates, is in the table on this page.

What county is Johnstown, CO in?

Johnstown is in Weld county.

What are the latitude and longitude of Johnstown, CO?

The approximate center of Johnstown, Colorado is latitude 40.332, longitude -104.935. Coordinates for each ZIP code are listed in the table above.

How many ZIP codes does Johnstown, CO have?

Johnstown has 1 ZIP code.

How many addresses are in Johnstown, CO?

Johnstown, Colorado has about 49,275 known street addresses in the sthan.io US address database.

What are the most common streets in Johnstown, CO?

Some of the most common street names in Johnstown are Frontage, 1st, Us Highway 34, 2nd, Charlotte, Northmoor.

What cities are near Johnstown, CO?

Cities near Johnstown include Milliken (5 mi), Mead (8 mi), Berthoud (9 mi), Gilcrest (9 mi), Platteville (9 mi).

Cities near Johnstown

Milliken, CO (5 mi) Mead, CO (8 mi) Berthoud, CO (9 mi) Gilcrest, CO (9 mi) Platteville, CO (9 mi) Windsor, CO (10 mi) Evans, CO (12 mi) Greeley, CO (12 mi)

All Colorado cities →

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Last updated: June 2026 · Data: sthan.io US address database