Thornton trip planner
Create a fully customized
day-by-day itinerary for free
The City of Thornton is a Home Rule Municipality in Adams and Weld counties in the U.S. state of Colorado, located in the northeast quadrant of the Denver-Aurora-Broomfield, CO Metropolitan Statistical Area. Thornton is 10mi north/northeast of downtown Denver. The United States Census Bureau reported the city's growing population at 118,772 on April 1, 2010, a 44.2% increase from the 2000 Census population of 82,384. Thornton is the sixth-most populous city in the state of Colorado and the 213th-most populous city in the United States.HistoryThornton consisted solely of farmland until 1953 when Sam Hoffman purchased a lot off Washington Street about seven miles north of Denver. The town he laid out was the first fully planned community in Adams County, and the first to offer full municipal services from a single tax levy, including recreation services and free trash pickup. Thornton was named in honor of Former Colorado Governor Dan Thornton.Thornton is in Colorado (CO). Our United States trip itinerary builder allows you to plan your trip to Thornton and a wealth of other destinations big and small.
Create a full itinerary — for free!
Plan your trip to Thornton
Get a personalized planA complete day-by-day itinerary
based on your preferences
Customize itRefine your plan. We'll find the
best routes and schedules
Manage itEverything in one place.
Everyone on the same page.
Popular things to do in Thornton
Places to visit with Thornton
Recently planned trips to Thornton
6 days in United States BY A USER FROM UNITED STATES June, kids, popular sights PREFERENCES: June, kids ATTRACTION STYLE: Popular sights PACE: Medium 8 days in Thornton & Los Angeles BY A USER FROM UNITED STATES June, popular sights PREFERENCES: June ATTRACTION STYLE: Popular sights PACE: Medium 4 days in Thornton & Norman BY A USER FROM UNITED STATES March, popular sights PREFERENCES: March ATTRACTION STYLE: Popular sights PACE: Medium 1 day in Thornton BY A USER FROM UNITED STATES September, outdoors, popular sights PREFERENCES: September, outdoors ATTRACTION STYLE: Popular sights PACE: Medium 11 days in Thornton & Sioux Falls BY A USER FROM UNITED STATES July, popular sights PREFERENCES: July ATTRACTION STYLE: Popular sights PACE: Medium 10 days in Thornton BY A USER FROM UNITED STATES May, culture, outdoors, relaxing, romantic, beaches, historic sites, museums, shopping, wildlife, hidden gems PREFERENCES: May, culture, outdoors, relaxing, romantic, beaches, historic sites, museums, shopping, wildlife ATTRACTION STYLE: Hidden gems PACE: Medium