What city is ZIP code 80534?

ZIP code 80534 is in Johnstown, CO (Weld County).

What county is ZIP code 80534 in?

ZIP code 80534 is mostly in Weld County, Colorado.

How many people live in ZIP code 80534?

About 20,502 people live in the 80534 ZIP Code Tabulation Area, based on American Community Survey 5-year estimates.

Checked Oct 26, 2026

ZIP Code 80534

Johnstown, CO, Weld County

Population

20,502

Land area

48.1sq mi

People per sq mi

427

City

Johnstown

ZIP 80534 and nearby ZIP codes

Full map

ZIP 80534 at a glance

ZIP 80534 (Johnstown) is about 7.5 times as dense as Colorado as a whole.
The median household income is $129,024, 35% above the Colorado median of $95,470.
A typical owner-occupied home is valued at $553,300 and median rent is $1,846 a month.

Local data for ZIP 80534

Counts from official public data

Housing and community stats

ZIP 80534, American Community Survey 2020-2024

Full profile

Median household income

$129,024

Poverty rate

3.4%

Median home value

$553,300

Prices +0.4% in a year

Median rent

$1,846/mo

Homeownership

78.6%

Bachelor's or higher

37.6%

Median age

35.0

Average commute

32.8 min

Income, education and commute

Economy and federal money

Businesses, pandemic loans and political donations

Details

Business establishments

416

ZIP Business Patterns 2023

Employees

6,639

$339M annual payroll

PPP loans

$28.5M

391 loans

Campaign donations

$102K

7% D, 19% R, 2026 cycle

PPP loans in this ZIP

Environment and hazard risk

ZIP 80534, from FEMA, NOAA and EPA

Full report

Natural hazard risk

Relatively Moderate

Top: hail

Storm events since 1996

1,986

Countywide, mostly hail

Flood insurance policies

325

0.3% of homes, county

July high / Jan low

89° / 13°F

15.6 inches of rain a year

Hazards, floods and storm history Check a flood zone

Health statistics

Share of adults in ZIP 80534, CDC PLACES estimates

All 40 measures

Obesity

29.5%

U.S. 33.3% -3.8 pts

Diabetes

7.6%

U.S. 12.1% -4.5 pts

Smoking

10.8%

U.S. 12.8% -2.0 pts

Uninsured (18-64)

8.9%

U.S. 11.1% -2.2 pts

Frequently asked questions

What city is ZIP code 80534?: ZIP code 80534 is in Johnstown, CO (Weld County).
What county is ZIP code 80534 in?: ZIP code 80534 is mostly in Weld County, Colorado.
How many people live in ZIP code 80534?: About 20,502 people live in the 80534 ZIP Code Tabulation Area, based on American Community Survey 5-year estimates.

Source: U.S. Census Bureau (ZIP Code Tabulation Areas, American Community Survey) · Data as of 12/31/2023. ZIP Code Tabulation Areas closely match, but are not identical to, USPS ZIP code delivery areas.