ZIP code 80737: Julesburg, CO
ZIP code 80737 is in Julesburg (81% of residents), in Sedgwick County (99%) and Deuel County (1.0%), Colorado. 19% of its residents live outside city limits. It is in Colorado's 4th congressional district (99%) and Nebraska's 3rd congressional district (1.0%). Its state senate districts are State Senate District 1 (99%) and State Senate District 47 (1.0%); its state house district is State House District 63.
See it on the mapAll of Colorado
City and county
| City or town | Share of ZIP residents |
|---|---|
| Julesburg | 81% |
| County | Share of ZIP residents |
|---|---|
| Sedgwick County | 99% |
| Deuel County | 1.0% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Julesburg CCD | 87% |
| South Sedgwick CCD | 12% |
| Big Springs precinct | 0.7% |
| Swan precinct | 0.3% |
Congressional districts
| Congressional district | Share of ZIP residents |
|---|---|
| Colorado's 4th congressional district (CO-04) | 99% |
| Nebraska's 3rd congressional district (NE-03) | 1.0% |
This ZIP is split between districts. A mailing address in it could be in either; the map or locate_point gives the district for an exact address.
Elected officials
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| U.S. Representative (CO-04) | Lauren Boebert (R) | 202-225-4761 | 99% |
| U.S. Representative (NE-03) | Adrian Smith (R) | 202-225-6435 | 1.0% |
| 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 1) | Byron Pelton (R) | 99% | |
| State Senator (State Senate District 47) | Paul Strommen (Nonpartisan) | 1.0% | |
| State Representative (State House District 63) | Dusty Johnson (R) | 99% |
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
- Julesburg website: https://townofjulesburg.com/
- Julesburg laws: search for the Julesburg, Colorado code of ordinances
- Sedgwick County laws: search for the Sedgwick County, Colorado code of ordinances
- Deuel County website: http://www.co.deuel.ne.us
- Deuel County laws: search for the Deuel County, Colorado code of ordinances
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 1 | 99% |
| State Senate District 47 | 1.0% |
| State house district | Share of ZIP residents |
|---|---|
| State House District 63 | 99% |
Voting precincts
6 voting precincts overlap ZIP 80737. It also crosses into NE. Map them, with each precinct's share of the ZIP's residents.
Get this in your AI agent
Your agent can get these cities, counties, districts and precincts with their shares, and their GeoJSON boundaries, from Boundary Atlas. Add https://atlas-production-d344.up.railway.app/mcp to Claude, ChatGPT, Cursor or Codex (free, no key; how), then:
related_geographies(id="us:zcta:80737")
ZIP 80737 here is the Census Bureau's ZIP Code Tabulation Area, which approximates the USPS ZIP Code; PO-box-only ZIPs have none. Districts are the maps in force for the November 3, 2026 election.