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Thornton, Colorado

City · Population 146,689 · #6 in Colorado · #190 in the US
ThorntonColorado

Thornton is a home rule city located in Adams and Weld counties, Colorado, United States. The city population was 141,867, all in Adams County, at the 2020 United States census, an increase of 19.44% since the 2010 United States census.

Intro: Wikipedia

About Thornton

Set in the northern part of Colorado, Thornton is a mid-size city counting 146,689 people who proudly call it home. It ranks as the 6th largest city in Colorado.

Officially, Thornton is an incorporated city with its own municipal government. The community covers 36.52 square miles, giving it a compact, walkable footprint at roughly 4,017 residents per square mile.

📰 Local News

Read the latest Colorado headlines on our news site, Bless News Daily.

Colorado news on Bless News Daily →

What Makes Thornton Unique

  • A top-25 city in Colorado by population (#6 of 271 incorporated places).
  • One of 7 places in the US named Thornton — but the Colorado one has a character all its own.
  • Positioned in northern Colorado, convenient to the region's corridors and crossings.

Why People Love It Here

  • Full urban amenities: dining, healthcare, education, and employment in one place.
  • Serious economic gravity — one of the region's employment and cultural hubs.
  • Well connected: 3+ neighboring communities within 6 miles.

📍 Neighborhoods in Thornton

Click a neighborhood to see it on the map.

🍽️ Where to Eat in Thornton

Local spots mapped by the OpenStreetMap community · click a restaurant to read or write reviews.

🏞️ Parks & Outdoors in Thornton

Parks mapped by the OpenStreetMap community · "reviews" opens each park's live Google reviews.

🏫 Schools in Thornton

  • Academy High School
  • Achieve Academy
  • Belle Creek Charter School
  • Brantner Elementary School
  • Clayton Partnership School
  • Discovery Magnet School
  • Explore Pk-8
  • Mapleton Early Career Preparation
  • Mapleton Expeditionary School of the Arts
  • Meadow Community School
  • Riverdale Ridge High School
  • Rodger Quist Middle School
  • West Ridge Elementary
  • York International

Public schools, U.S. Dept. of Education (NCES) 2023–24 directory.

🏥 Hospitals & Healthcare

  • Hca Healthone Mountain Ridge ★★★ (3/5 CMS rating) · 24/7 ER

Medicare-registered hospitals with official CMS star ratings.

⚡ Quick Facts

TypeCity
Population (2024)146,689
Rank in state#6 of 271
Land area36.52 sq mi
Density4,017/sq mi
Coordinates39.9204, -104.9414

🌤️ Current Weather

Right now83°F
ConditionsPartly Sunny
Wind9 mph

Full forecast →

Source: National Weather Service

🗺️ Map of Thornton