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Looking north over Lone Tree rooftops toward the office buildings along I-25 and the Denver skyline

Lone Tree, Colorado

Moving to Lone Tree

What it costs, how a small city with a big daytime population actually runs, where people live on both sides of I-25, how the DCSD feeders work, and what to do on your first weekend. Every number checked at the source.

By Connor Tien, DougCo Social · Updated September 2026 · Photo: City of Lone Tree

← All Douglas County towns, compared

Lone Tree packs a lot into under 10 square miles: about 15,000 people, a workforce of more than 25,000, Park Meadows, a 304-bed hospital, five light rail stations, an arts center the City owns, and a 3,500-acre master plan called RidgeGate whose east side is turning into neighborhoods, a regional park, a King Soopers and a new elementary school. It is also a real city, incorporated in 1995, with its own police department and a trash truck that comes for free. The five guides under this page are the long version: the cost of living from the Census, the schools from the district, the services from whoever provides them, and the fun stuff from the people who run it. If a fact has a number, its source is listed at the bottom.

Population
15,278 (Census est. July 2025)
Incorporated
1995, by a 676 to 165 vote
Median home value
$874,100 (ACS 2020-2024)
City sales tax
2.5 percent; no city property tax

Lone Tree at a Glance

The numbers, each with its year and its source.

Population
15,278 in the Census Bureau's July 1, 2025 estimate, up 7.8 percent from the April 2020 base; 14,253 in the 2020 Census, 10,218 in 2010. The City says more than 15,000 residents and a daytime population near 30,000.
Land area
9.81 square miles (Census, 2020), 1,453 people per square mile
Median household income
$123,741 in 2024 dollars (ACS 2020-2024); per capita $80,752
Median home value
$874,100, owner-occupied (ACS 2020-2024); median gross rent $2,139
Households
6,507, averaging 2.17 people; 54.5 percent owner-occupied (ACS 2020-2024)
Ages
16.7 percent under 18, 20.7 percent 65 and over (Census QuickFacts)
Education
71.2 percent of adults 25 and up hold a bachelor's degree or higher (ACS 2020-2024)
Mean commute
25.7 minutes (ACS 2020-2024)
Distance to Denver
20 miles to downtown; 5 miles to Centennial Airport, 35 to DIA (City community profile)
Founded
First subdivision opened Memorial Day weekend 1982 with nine households; incorporated 1995; about 3,000 residents in 1996 (City history)
Taxes
2.5 percent city sales tax, no municipal property tax, AA+ bond rating (City)
Schools
Douglas County School District: Eagle Ridge and Lone Tree elementaries and Eagle Academy in town; Cresthill Middle and Highlands Ranch High serve most of the city

Local tip: Two population numbers float around for Lone Tree and both are honest: the Census Bureau's 2025 estimate (15,278) and the City's own "more than 15,000." Anything quoting a decline since 2020 is out of date; the estimate is up 7.8 percent.

Who Runs What

A city hall for the city stuff, and a district for almost everything else.

City of Lone Tree
Mayor and City Council, city manager. Police, municipal court, public works and streets, snow plowing, planning and building, trash and recycling for single-family homes, the Lone Tree Arts Center, the Civic Center, Link On Demand. Municipal Building, 9220 Kimmer Drive, Suite 100, Monday to Friday 8am to 5pm, 303-708-1818
Lone Tree Police Department
The City's own department, established 2004. Since September 14, 2026 at the Lone Tree Justice Center, 12707 High Note Avenue (non-emergency 303-799-0533, front desk 303-339-8150); Municipal Court is there too (303-339-8177). Emergencies: 911
South Suburban Parks and Recreation
The district that runs the Lone Tree Recreation Center, Cook Creek Pool, the Lone Tree Hub, the Tennis Center, Lone Tree Golf Club & Hotel and the neighborhood parks; its service area includes the City of Lone Tree. 303-798-5131
Douglas County
Three elected commissioners. Property tax administration and the Assessor, elections, motor vehicle (the Lone Tree office is at 9350 Heritage Hills Circle), Bluffs Regional Park, Link On Demand across the county, DougCoAlert. 303-660-7400
Water and sewer
Southgate Water and Sanitation Districts west of I-25, Parker Water and Sanitation District east of I-25, Northern Douglas County Water and Sanitation for some Terra Ridge homes along Indian Wells Drive (per the City)
South Metro Fire Rescue
Fire and emergency medical; Lone Tree is one of the ten cities it names. Non-emergency 720-989-2000
Douglas County School District
Public schools, seven-member elected board. 303-387-0100
Douglas County Libraries
The Lone Tree branch at 10055 Library Way. 303-791-7323

Local tip: The question that trips up newcomers here is the water bill: which side of I-25 you live on decides which district sends it. The moving guide walks through who bills you for what.

Why People Land Here

The short version of what the city was built around.

Access comes up first, and the City leads with it too: 20 miles to downtown Denver, I-25, C-470 and E-470 all touching the city, and five RTD light rail stations, County Line at Park Meadows, Lincoln, Sky Ridge, Lone Tree City Center and RidgeGate Parkway, with the E Line to Union Station and the R Line to Aurora and the airport train. Add a free on-demand ride service (Link On Demand, Monday through Saturday) that covers the whole city, and you can live here with fewer car trips than anywhere else in the county.

Then it is the stuff a city of 15,000 does not usually have. Park Meadows, which the City calls Colorado's largest regional shopping mall and which its owner lists at 185 stores and restaurants, was annexed in 2007. Sky Ridge Medical Center opened in 2003 with what is now 304 beds and a Level II trauma center. The Lone Tree Arts Center, owned and operated by the City since it opened in 2011, has a 500-seat main stage, a 200-seat event hall and a 350-seat outdoor terrace theater. South Suburban runs a 55,000-square-foot recreation center, an eight-lane outdoor pool and an Arnold Palmer golf course inside the city limits.

And then there is RidgeGate. Voters approved annexing the 3,500-acre property in 2000, the first residents moved in east of I-25 in 2023, and the City posts a status page for nearly every project out there: Shea Homes' Lyric neighborhood with The Groove at its center, High Note Regional Park, which broke ground on April 29, 2026 with a 200-seat beer garden in the plan, a King Soopers Marketplace under construction, a new elementary school opening in August 2027, and the Justice Center the police and court moved into on September 14, 2026. The ranch it all sits on, the Schweigers' 1874 homestead, is still there as a restored historic site that hosts the City's Fall Festival and Oktoberfest. We keep the running list at what's being built in Douglas County.

The Groove patio in Lone Tree: red Adirondack chairs and picnic tables on turf under string lights
The Groove at Lyric, the cafe and welcome center at the heart of Shea's RidgeGate neighborhood, open to everyone · Photo: DougCo Social

Explore Lone Tree

The rest of the site, sorted for a newcomer.

Moving somewhere else in the county? We have guides for Castle Rock, Parker, Highlands Ranch and Castle Pines.

FAQ

Is Lone Tree a city?

Yes, a home-rule city with its own mayor and City Council. Residents voted to incorporate in 1995 (676 in favor, 165 opposed) and the first City Council met in June 1996, per the City's own history page. The City runs its own police department (at the new Justice Center on High Note Avenue since September 14, 2026), public works, municipal court, the Lone Tree Arts Center and a free trash and recycling program for single-family homes. Parks and recreation come from South Suburban Parks and Recreation, fire from South Metro Fire Rescue, water from three districts and schools from Douglas County School District.

How big is Lone Tree?

The Census Bureau's July 1, 2025 estimate is 15,278 people, up 7.8 percent from the April 2020 base; the 2020 count was 14,253 and the 2010 count was 10,218. The city covers 9.81 square miles (Census, 2020). The City itself says more than 15,000 residents and a workforce of more than 25,000, and its history page puts the daytime population near 30,000.

Is Lone Tree expensive to live in?

Per the American Community Survey (2020-2024), the median value of an owner-occupied home in Lone Tree is $874,100, median monthly owner costs are $3,353 with a mortgage and $898 without, and median gross rent is $2,139. Median household income over the same period is $123,741 in 2024 dollars. Two things run the other way: the City levies no municipal property tax, and its sales tax is 2.5 percent.

Does Lone Tree have light rail?

Yes. The City counts five RTD light rail stations serving Lone Tree: County Line (at Park Meadows), Lincoln, Sky Ridge, Lone Tree City Center and RidgeGate Parkway. The E Line runs to Union Station and the R Line to Aurora with a connection to the A Line to Denver International Airport. The City's history page dates the light rail extension into RidgeGate to 2019. Park-n-Ride spaces per the City: 388 at County Line, 1,734 at Lincoln, 1,300 at RidgeGate Parkway.

What school district serves Lone Tree?

Douglas County School District. Every address has an assigned neighborhood school, and families can apply to any other DCSD school through open enrollment. The schools with Lone Tree addresses are Eagle Ridge Elementary, Lone Tree Elementary (a magnet school) and Eagle Academy; the City lists Cresthill Middle School and Highlands Ranch High School as the schools serving Lone Tree, and a new K-5 elementary opens in the Lyric neighborhood in August 2027.

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Sources

Every figure on this page was read at the source on September 30, 2026. Population and housing numbers are the Census Bureau's; the history, taxes, providers and station counts are the City's; recreation is South Suburban's; school groupings are the district's. Photos are the City of Lone Tree's, used with credit, plus our own.

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