US5.com
  1. Home
  2. States
  3. Colorado
  4. ZIP 80602
Thornton city, CO

ZIP Code 80602 — Thornton city, CO Demographics & Data

Source: U.S. Census Bureau ACS 2019–2023 5-Year Estimates. Page data updated 2026-08-02.

Upper Middle ClassLow Snow AreaRemote Work Hub

Map, Quick Facts & Location

Quick Facts

Local time
Population
42,237
Median Income
$146,679
+95% vs US avg
Home Value
$639,300
+84% vs US avg
Median Rent
$2,282
+96% vs US avg
Median Age
38.4 yrs
-1% vs US avg
Area Code
Congress
Top Ancestry
GermanEnglishIrish
Scroll to load map
Location
Coordinates
39.9662, -104.9089
Elevation
5,016 ft
Land Area
30.1 sq mi
Water Area
0.5 sq mi (2% water)

At a glance

Population
42,237
Density
N/A
Median income
$146,679
+95% vs US avg
Home value
$639,300
+84% vs US avg
Median rent
$2,282
+96% vs US avg
Timezone

Overview of ZIP Code 80602

7-day weather forecast

Loading live forecast…

Sunrise, sunset & moon

Loading outdoor timing for Thornton city, CO (ZIP 80602)

What to know about ZIP 80602

ZIP code 80602 covers Thornton, CO in Adams County with a population of about 42,237.

At a glance, the area shows median age of 38.4 (near the U.S. median).

It sits in telephone area codes 303, 720, 983; U.S. House district CO-8; the DENVER media market.

Income and economy in Thornton, CO

Median household income in ZIP 80602 is about $146,679 — about 95% above the U.S. median ($75,149).

On socioeconomic markers, US5 shows a poverty rate of 3.7%; unemployment rate near 4.6%; 43.9% of adults with a bachelor’s degree or higher (about 10.2 points above the national share (33.7%)).

Labor and commute patterns include leading industry context around Healthcare, Retail trade, and Professional services; about 17.9% of workers reporting work-from-home (about 2.7 points above the U.S. share (15.2%)); a mean commute of about 180.0 minutes (U.S. average near 26.8).

Housing and affordability in ZIP 80602

Median home value is about $639,300 — about 84% above the U.S. median home value ($348,079).

Housing tenure and rents show median gross rent around $2,282 (about 96% above the U.S. median rent ($1,163)), and owner-occupancy near 92.2% (about 26.8 points above the national owner-occupancy rate (65.4%)).

To comfortably buy a median-priced home in ZIP 80602 in Thornton, CO, a household would need roughly $176,000 in annual income under a 20% down, 30-year loan at 6.8% (illustrative), keeping housing costs near 28% of income. Estimated monthly PITI is about $4,107. That is about 20% above the local median household income ($146,679), so the median earner would likely stretch or need a larger down payment. Rates, taxes, insurance, and HOA fees vary — treat this as a planning estimate, not a lender quote.

Climate risk and migration signals

FEMA’s National Risk Index rates natural-hazard risk for Thornton city, CO as Relatively Moderate (composite score 91.2), which is among the highest nationally. The strongest component scores on US5 are flood (87.2) and wildfire (80.9). These scores are county-linked NRI values published for planning context — all ZIP codes in the same county share the same composite score on US5. Useful when comparing insurance and disaster exposure across areas, not a substitute for a parcel-level flood or fire determination.

Climate normals for Thornton city, CO show little to no average snow and around 14.1 inches of annual precipitation.

IRS migration statistics show a net inflow of about 1,930 for ZIP 80602 (Thornton city, CO) on US5’s published series — a signal of people/tax filers moving in relative to those leaving. Inflows often track job growth, housing demand, or lifestyle migration; treat the figure as a directional indicator rather than a precise headcount.

Nearby (from this ZIP)

Airport BJC (11.7 miles (18.9 km)) · Front Range Community College (8.2 miles (13.2 km)) · Rocky Mountain National Park (49.6 miles (79.8 km)) · VA: Aurora Outpatient Clinic (15.8 miles (25.4 km))

Full lists and map pins are in the Infrastructure section below.