Lone Tree, Colorado
Lone Tree is a city in Douglas County, Colorado, with 14,253 residents in 2020. It is in Colorado's 4th congressional district. Its state senate district is State Senate District 30; its state house district is State House District 39.
County
| County | Share of residents |
|---|---|
| Douglas County | 100% |
Congressional district
| Congressional district | Share of residents |
|---|---|
| Colorado's 4th congressional district (CO-04) | 100% |
Elected officials
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| U.S. Representative (CO-04) | Lauren Boebert (R) | 202-225-4761 | 100% |
| U.S. Senator | John W. Hickenlooper (D) | 202-224-5941 · contact form | statewide |
| U.S. Senator | Michael F. Bennet (D) | 202-224-5852 · contact form | statewide |
| State Senator (State Senate District 30) | John Carson (R) | 100% | |
| State Representative (State House District 39) | Brandi Bradley (R) | 100% |
Officials serving now (members of Congress until January 3, 2027). Sources: State legislators: Open States (public domain); Members of Congress: the @unitedstates project, congress-legislators (CC0).
Local government
- Lone Tree website: http://www.cityoflonetree.com
- Lone Tree laws: search for the Lone Tree, Colorado code of ordinances
- Douglas County website: http://www.douglas.co.us
- Douglas County laws: search for the Douglas County, Colorado code of ordinances
State legislative districts
| State senate district | Share of residents |
|---|---|
| State Senate District 30 | 100% |
| State house district | Share of residents |
|---|---|
| State House District 39 | 100% |
ZIP codes
Percentages mark ZIPs only partly in Lone Tree: the share of that ZIP's residents living in it.
Get this in your AI agent
Your agent can get Lone Tree's counties and districts with shares, its ZIP codes (level='zcta'), and its boundary as GeoJSON (get_boundaries). Add https://boundarymcp.com/mcp to Claude, ChatGPT, Cursor or Codex (free, no key; how), then:
related_geographies(id="us:place:0845955")
Lone Tree here is the Census Bureau's place boundary as of January 1, 2025. Shares are of 2020 Census population. Districts are the maps in force for the November 3, 2026 election.