City · Colorado
Lone Tree, Colorado
Lone Tree, city, in Douglas County, Colorado. Lone Tree had 15,278 residents on July 1, 2025 by the Census Bureau's estimate, up 7.8% since 2020; the 2020 Census counted 14,253 and the ACS 2020-2024 5-year estimates put it at 14,147 (±32). GEOID 0845955.
Residents, July 2025 estimate
15,278
Census Bureau estimate (no margin published)
2020 Census count: 14,253 · ACS 2020-2024: 14,147 ±32
Median household income
$123,741
±$17,393 (90% margin)
Colorado: $95,470
Median home value
$874,100
±$33,440 (90% margin)
Colorado: $539,400
Median gross rent
$2,139
±$84 (90% margin)
Colorado: $1,761
Where is Lone Tree and what county is it in?
Lone Tree is a city in Douglas County, Colorado. It covers 9.8 square miles of land, 1,453 residents per square mile in 2020.
Lone Tree is in the Denver-Aurora-Centennial, CO metropolitan statistical area, which takes in 10 counties (Census Bureau delineation, July 2023).
Source: 2024 Gazetteer and 2020 place-by-county files, U.S. Census Bureau · Census reference files
How many people live in Lone Tree, and is it growing?
The Census Bureau estimates that 15,278 people lived in Lone Tree on July 1, 2025, up 7.8% since 2020, faster than Colorado (+4.1%). The 2020 Census counted 14,253 residents. The 2020-2024 American Community Survey, a five-year sample, puts the population at 14,147 (±32).
| Measure | Lone Tree | Douglas County | Change since 2015-2019 |
|---|---|---|---|
| Total population | 14,147 ±32 | 377,150 | +1,224 |
| Households | 6,507 ±304 | 139,960 | +1,197 |
| Average household size | 2.17 ±0.10 | 2.69 | −0.26 |
| Housing units | 6,798 ±336 | 144,432 | +1,241 |
Lone Tree's population since 2000
From 4,873 in 2000 to 15,278 in 2025: up 213.5%. The 2000, 2010 and 2020 figures are census counts, each for Lone Tree as it was drawn that year: a place that annexed land, or a community that has since incorporated, covered a different area then. The 2005 figure is the Census Bureau's intercensal estimate, revised to fit the 2000 and 2010 counts and drawn on 2010 boundaries; 2015 and 2025 are July 1 estimates made from the census before them.
Source: The 2000, 2010 and 2020 Census counts and the Census Bureau's population estimates (intercensal 2000-2010, Vintage 2020, Vintage 2025) · Census population estimates
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); Census PEP Vintage 2025 (SUB-EST2025, CO-EST2025); 2020 Census P.L. 94-171 · Check it at data.census.gov
Who lives in Lone Tree?
The median resident of Lone Tree is 41.5 years old; 16.7% are under 18 and 20.7% are 65 or older. The largest group is non-Hispanic white residents at 74.5%, then non-Hispanic Asian residents at 11.3%. 14.6% of residents were born outside the United States.
| Measure | Lone Tree | Douglas County | Change since 2015-2019 |
|---|---|---|---|
| Median age | 41.5 ±2.7 | 39.6 | no clear change |
| Under 18 years | 16.7% ±2.3 pts | 23.4% | – |
| 65 years and over | 20.7% ±2.8 pts | 13.9% | – |
| Male | 51.5% ±2.2 pts | 50.3% | – |
| Hispanic or Latino (any race) | 6.1% ±2.2 pts | 10.2% | no clear change |
| White alone, not Hispanic | 74.5% ±3.8 pts | 77.0% | no clear change |
| Black or African American alone, not Hispanic | 2.9% ±1.8 pts | 1.3% | – |
| Asian alone, not Hispanic | 11.3% ±2.7 pts | 5.8% | no clear change |
| American Indian and Alaska Native alone, not Hispanic | 0.4% ±0.4 pts | 0.2% | – |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.1% ±0.2 pts | 0.1% | – |
| Two or more races, not Hispanic | 3.7% ±1.5 pts | 4.9% | – |
| Some other race alone, not Hispanic | 1.0% ±1.0 pts | 0.5% | – |
| Born outside the United States | 14.6% ±3.5 pts | 8.4% | no clear change |
| Speak a language other than English at home (age 5+) | 17.2% ±4.0 pts | 10.4% | – |
| Civilian veterans (age 18+) | 6.9% ±1.7 pts | 7.2% | – |
| With a disability | 7.8% ±1.5 pts | 8.1% | – |
| No health insurance coverage | 4.0% ±1.6 pts | 3.9% | no clear change |
| High school graduate or higher (age 25+) | 98.9% ±0.7 pts | 97.9% | – |
| Bachelor's degree or higher (age 25+) | 71.2% ±3.8 pts | 62.0% | no clear change |
| Graduate or professional degree (age 25+) | 31.8% ±4.6 pts | 22.5% | – |
| Lived in the same house a year earlier | 79.6% ±4.2 pts | 85.1% | – |
| Moved from another state in the past year | 6.5% ±2.0 pts | 4.6% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profiles DP02, DP05) · Check it at data.census.gov
What do households in Lone Tree earn?
Half of Lone Tree's 6,507 households earn less than $123,741 a year (±$17,393), against $149,594 in Douglas County and $95,470 in Colorado. In 2015-2019 the median was $148,166 in 2024 dollars, so it fell by $24,425 after inflation. 4.9% of residents live below the poverty line.
| Measure | Lone Tree | Douglas County | Change since 2015-2019 |
|---|---|---|---|
| Median household income | $123,741 ±$17,393 | $149,594 | −$24,425 |
| Mean household income | $171,806 ±$14,986 | $183,544 | – |
| Per capita income | $80,752 ±$6,777 | $69,608 | no clear change |
| People below the poverty line | 4.9% ±2.7 pts | 3.8% | no clear change |
| Children under 18 below the poverty line | 1.2% ±1.7 pts | 3.0% | – |
| Households receiving SNAP | 0.9% ±0.5 pts | 2.1% | – |
| Households with a computer | 98.4% ±1.5 pts | 98.9% | – |
| Households with a broadband subscription | 97.1% ±1.6 pts | 97.9% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov
What does housing cost in Lone Tree?
Owners occupy 54.5% of Lone Tree's occupied homes and renters 45.5%. The median owner-occupied home is valued at $874,100 by its owner (±$33,440). The median renter pays $2,139 a month including utilities, and 30.0% of renters pay 35% or more of their income on rent.
| Measure | Lone Tree | Douglas County | Change since 2015-2019 |
|---|---|---|---|
| Median home value (owner-occupied) | $874,100 ±$33,440 | $713,600 | +$93,840 |
| Median gross rent | $2,139 ±$84 | $2,193 | no clear change |
| Renters paying 35% or more of income on rent | 30.0% ±8.3 pts | 41.2% | no clear change |
| Median monthly owner costs, with a mortgage | $3,353 ±$260 | $2,893 | – |
| Owner-occupied homes | 54.5% ±4.6 pts | 77.4% | no clear change |
| Renter-occupied homes | 45.5% ±4.6 pts | 22.6% | – |
| Housing units | 6,798 ±336 | 144,432 | +1,241 |
| Homeowner vacancy rate | 0.0% ±1.2 pts | 0.5% | – |
| Rental vacancy rate | 5.1% ±4.5 pts | 4.4% | – |
| Single-family detached homes | 40.7% ±3.7 pts | 73.4% | – |
| Mobile homes | 0.7% ±0.8 pts | 0.3% | – |
| Built 2020 or later | 0.9% ±0.6 pts | 6.0% | – |
| Built 2010 to 2019 | 34.8% ±4.6 pts | 21.0% | – |
| Built 1939 or earlier | 0.0% ±0.6 pts | 0.5% | – |
| Households with no vehicle | 3.4% ±1.7 pts | 2.4% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP04) · Check it at data.census.gov
How many new homes is Lone Tree building?
Builders took permits for 233 new housing units in Lone Tree in 2025 (193 in single-family houses), 15.3 per 1,000 residents against 5.6 across Colorado.
Counts of units in permits a local office issued; not every permitted unit is built. A year marked with months was reported for part of the year.
Source: Building Permits Survey, annual place files 2019-2025, U.S. Census Bureau · Census Building Permits Survey
How do people in Lone Tree work and get to work?
58.0% of Lone Tree's workers drive alone and 32.2% work from home. The average trip to work takes 25.7 minutes. The unemployment rate in 2020-2024 averaged 3.0%.
| Measure | Lone Tree | Douglas County | Change since 2015-2019 |
|---|---|---|---|
| In the labor force (age 16+) | 68.4% ±3.2 pts | 71.9% | – |
| Unemployment rate | 3.0% ±1.3 pts | 3.6% | no clear change |
| Drove alone to work | 58.0% ±4.2 pts | 61.9% | – |
| Carpooled | 4.4% ±2.3 pts | 4.9% | – |
| Public transportation | 1.3% ±1.2 pts | 0.6% | – |
| Walked | 1.9% ±1.0 pts | 1.2% | – |
| Worked from home | 32.2% ±4.3 pts | 30.5% | +19.8 pts |
| Mean travel time to work | 25.7 min ±2.0 | 27.1 min | +3.3 min |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov
What census tracts are in Lone Tree?
3 census tracts lie mostly in Lone Tree, and 7 more reach into it (2020 census blocks). Their median household incomes run from $117,273 (Tract 141.15) to $139,222 (Tract 141.25).
| Tract | Residents, 2020-2024 | Median household income |
|---|---|---|
| Tract 141.16Douglas County | 5,863 | $127,593 |
| Tract 141.15Douglas County | 4,215 | $117,273 |
| Tract 141.25Douglas County | 5,692 | $139,222 |
| Tract 140.11Douglas County | 7,763 | $165,339 |
| Tract 141.40Douglas County | 5,336 | $174,258 |
| Tract 141.14Douglas County | 3,203 | $127,250 |
| Tract 140.07Douglas County | 3,818 | $79,167 |
| Tract 140.14Douglas County | 5,762 | $107,382 |
| Tract 141.44Douglas County | 5,359 | $217,382 |
| Tract 140.08Douglas County | 10,778 | $156,163 |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); 2020 block assignment files (tract share = share of the tract's census blocks in Lone Tree) · Census block assignment files
How does Lone Tree compare with other places in Colorado?
By the Census Bureau's July 2025 estimates, Lone Tree is the 2,379th-most populous of the 19,476 U.S. incorporated places that have one and the 40th-most populous of 272 in Colorado.
Lone Tree ranks 49th of 218 places in Colorado with 1,000 or more residents and a reliable estimate, by median household income.
| Measure | Rank | Of |
|---|---|---|
| Population, July 2025 estimate | 40th | 272 |
| Growth 2020-2025 (PEP) | 40th | 150 |
| Residents per square mile | 103rd | 221 |
| Median household income | 49th | 218 |
| Per capita income | 21st | 220 |
| Median home value | 27th | 217 |
| Median gross rent | 32nd | 200 |
| Poverty rate | 124th | 151 |
| Bachelor's degree or higher | 18th | 216 |
| Median age | 78th | 220 |
| Owner-occupied share | 196th | 218 |
| Work from home | 28th | 176 |
| Travel time to work | 97th | 221 |
Lone Tree's figures with every place in Colorado (CSV)
Every place in Colorado, sortable · Compare Lone Tree with other places
Source: PlainCities ranks computed from the American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) and PEP Vintage 2025 · How ranks are computed
How reliable are the figures for Lone Tree?
10 of the 57 figures for Lone Tree on this page carry a coefficient of variation over 40% and are marked with a ring: they come from a small sample, so read them as rough.
The American Community Survey samples about one household in eight over five years, so every figure is an estimate with a 90% margin of error (shown under each value). A ring marks an estimate whose coefficient of variation is over 40%. A change is called only when the gap between the two periods is larger than their combined 90% margin (the square root of the sum of the two squared margins), the Census Bureau's test. How to read a margin of error.
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026): margins of error as published · ACS technical documentation
How these figures are made: methodology and release checks · reading a margin of error · every state · corrections
Not on this page: crime, weather and schools for Lone Tree are other agencies' records. Crime: the FBI's Crime Data Explorer · climate: NOAA's U.S. Climate Normals · schools: the National Center for Education Statistics' public schools in Lone Tree.