Johnstown, Colorado
Johnstown is a town in Weld County (73% of residents) and Larimer County (27%), Colorado, with 17,399 residents in 2020. It is in Colorado's 8th congressional district. It spans 2 state house districts. Its state senate district is State Senate District 23.
County
| County | Share of residents |
|---|---|
| Weld County | 73% |
| Larimer County | 27% |
Congressional district
| Congressional district | Share of residents |
|---|---|
| Colorado's 8th congressional district (CO-08) | 100% |
Elected officials
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| U.S. Representative (CO-08) | Gabe Evans (R) | 202-225-5625 | 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 23) | Barbara Kirkmeyer (R) | 100% | |
| State Representative (State House District 64) | Scott Slaugh (R) | 73% | |
| State Representative (State House District 65) | Lori Garcia Sander (R) | 27% |
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
- Johnstown laws: search for the Johnstown, Colorado code of ordinances
- Weld County laws: search for the Weld County, Colorado code of ordinances
- Larimer County website: http://www.co.larimer.co.us
- Larimer County laws: search for the Larimer County, Colorado code of ordinances
State legislative districts
| State senate district | Share of residents |
|---|---|
| State Senate District 23 | 100% |
| State house district | Share of residents |
|---|---|
| State House District 64 | 73% |
| State House District 65 | 27% |
ZIP codes
Percentages mark ZIPs only partly in Johnstown: the share of that ZIP's residents living in it.
- 80534 (92%)
Get this in your AI agent
Your agent can get Johnstown'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:0839855")
Johnstown 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.