Lyons, Colorado
Lyons is a town in Boulder County, Colorado, with 2,209 residents in 2020. It is in Colorado's 2nd congressional district. Its state senate district is State Senate District 15; its state house district is State House District 49.
County
| County | Share of residents |
|---|---|
| Boulder County | 100% |
Congressional district
| Congressional district | Share of residents |
|---|---|
| Colorado's 2nd congressional district (CO-02) | 100% |
Elected officials
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| U.S. Representative (CO-02) | Joe Neguse (D) | 202-225-2161 | 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 15) | Janice Marchman (Democratic) | 100% | |
| State Representative (State House District 49) | Lesley Smith (Democratic) | 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
- Lyons website: http://www.townoflyons.com
- Lyons laws: search for the Lyons, Colorado code of ordinances
- Boulder County website: http://www.bouldercounty.org
- Boulder County laws: search for the Boulder County, Colorado code of ordinances
State legislative districts
| State senate district | Share of residents |
|---|---|
| State Senate District 15 | 100% |
| State house district | Share of residents |
|---|---|
| State House District 49 | 100% |
ZIP codes
Percentages mark ZIPs only partly in Lyons: the share of that ZIP's residents living in it.
Get this in your AI agent
Your agent can get Lyons's counties and districts with shares, its ZIP codes (level='zcta'), and its boundary as GeoJSON (get_boundaries). Add https://atlas-production-d344.up.railway.app/mcp to Claude, ChatGPT, Cursor or Codex (free, no key; how), then:
related_geographies(id="us:place:0847070")
Lyons 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.