ZIP code · Johnstown · Colorado · United States
ZIP code 80534 — Johnstown
ZIP code 80534 serves Johnstown, Colorado.
- Postal code
- 80534Single source Value from one source, not cross-checked.
- City
- Johnstown
- County
- Weld FIPS 08123
- State
- Colorado
- Country
- United States
- Coordinates
- 40.3355, -104.9236 — precision precise (locality)
View on OpenStreetMap - Population
- 19,696 (ZCTA, ACS 5-year)
- Population density
- 410 / sq mi
- Land area
- 48.1 sq mi (124.5 km²) (ZCTA, ACS 5-year)
- Median household income
- $132,320
- Per-capita income
- $49,924
- Median age
- 34.3
- Households
- 7,084
- Housing units
- 7,137
- Median home value
- $509,500
- Median gross rent
- $1,778 / month
- Congressional district
- CO-8 (119th Congress)
- USDA hardiness zone
- 5b (-15 to -10 °F)Planting / growing zone from the 2023 USDA Plant Hardiness Zone Map: average annual extreme minimum temperature, 1991–2020.
- Time zone
- America/Denver (UTC−7 / UTC−6 DST)
- Area code
- 970 (from the nearest rate centre)Telephone area codes serving this ZIP (NANPA central-office assignments). A ZIP and an area code are different boundaries; at a border both codes may apply.
Tools: compare 80534 with another ZIP · ZIPs within 25 miles · distance from 80534
Map of ZIP code 80534
Climate — monthly normals
Warmest month Jul (avg high 89°F), coldest Jan (avg low 13°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 44 | 46 | 56 | 62 | 71 | 83 | 89 | 87 | 79 | 65 | 53 | 44 |
| Avg low °F | 13 | 15 | 23 | 31 | 40 | 49 | 55 | 53 | 44 | 32 | 21 | 13 |
| Precip in | 0.5 | 0.6 | 1.3 | 2.2 | 2.7 | 1.6 | 1.5 | 1.3 | 1.4 | 1.2 | 0.8 | 0.6 |
NOAA 1991–2020 climate normals from the nearest station: LOVELAND 2N (10.9 mi) · NOAA NCEI
Places in ZIP 80534
- 9 schools
- 2 hospitals & clinics
- 3 doctors & dentists
- 2 pharmacies
- 1 supermarkets
- 32 restaurants & cafés
- 16 parks
- 21 playgrounds
- 7 gyms & sports centres
- 1 libraries
- 1 post offices
- 8 places of worship
- 4 banks
- 6 gas stations
- 3 police & fire stations
Places mapped inside this ZIP’s ZCTA area in OpenStreetMap. OSM is community-maintained: counts reflect what has been mapped, and completeness varies by area — treat them as at-least figures. © OpenStreetMap contributors (ODbL) · Methodology
About this page
US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.
GeoNames · U.S. Census Bureau (ACS) · U.S. Census Bureau · NOAA NCEI · usda-phzm. Data generated on 2026-08-21. Methodology · Report an error on this page