Colorado's 3rd congressional district (CO-03)
Colorado's 3rd congressional district (CO-03) covers parts or all of 27 counties, including Alamosa County, Archuleta County, Conejos County, Costilla County, Delta County and Dolores County, and 155 ZIP codes (136 wholly inside it). Its 2020 population was 721,730. This is the map in force for the November 3, 2026 election.
Who represents CO-03
| Office | Member | Contact |
|---|---|---|
| U.S. Representative (CO-03) | Jeff Hurd (R) | 202-225-4676 |
| U.S. Senator | John W. Hickenlooper (D) | 202-224-5941 · contact form |
| U.S. Senator | Michael F. Bennet (D) | 202-224-5852 · contact form |
Officials serving now (members of Congress until January 3, 2027). Sources: Members of Congress: the @unitedstates project, congress-legislators (CC0).
Counties
| County | Share of the county's residents in CO-03 |
|---|---|
| Alamosa County | 100% |
| Archuleta County | 100% |
| Conejos County | 100% |
| Costilla County | 100% |
| Delta County | 100% |
| Dolores County | 100% |
| Garfield County | 100% |
| Gunnison County | 100% |
| Hinsdale County | 100% |
| Huerfano County | 100% |
| La Plata County | 100% |
| Las Animas County | 100% |
| Mesa County | 100% |
| Mineral County | 100% |
| Moffat County | 100% |
| Montezuma County | 100% |
| Montrose County | 100% |
| Otero County | 100% |
| Ouray County | 100% |
| Pitkin County | 100% |
| Pueblo County | 100% |
| Rio Blanco County | 100% |
| Rio Grande County | 100% |
| Saguache County | 100% |
| San Juan County | 100% |
| San Miguel County | 100% |
| Eagle County | 19% |
ZIP codes
Percentages mark ZIPs only partly in CO-03: the share of that ZIP's residents inside it.
- 80467 (0.6%)
- 80817 (0.4%)
- 81001
- 81003
- 81004
- 81005
- 81006
- 81007
- 81008 (100%)
- 81019
- 81020
- 81022
- 81023
- 81024
- 81025
- 81027
- 81030
- 81039 (97%)
- 81040
- 81046
- 81049
- 81050 (100%)
- 81054 (0.3%)
- 81055
- 81058 (93%)
- 81059
- 81064 (13%)
- 81067
- 81069 (96%)
- 81077
- 81081
- 81082
- 81089
- 81091
- 81101
- 81120 (98%)
- 81121
- 81122
- 81123
- 81124
- 81125
- 81126
- 81128
- 81129
- 81130
- 81131
- 81132
- 81133
- 81136
- 81137 (96%)
- 81138
- 81140
- 81141
- 81143
- 81144
- 81146
- 81147
- 81148
- 81149
- 81151
- 81152
- 81154
- 81155
- 81210
- 81220
- 81224
- 81225
- 81230
- 81235
- 81237
- 81239
- 81241
- 81243
- 81248
- 81253 (8.0%)
- 81301
- 81303
- 81320
- 81321
- 81323
- 81324 (97%)
- 81325
- 81326
- 81327
- 81328
- 81330
- 81331
- 81332
- 81334
- 81335
- 81401
- 81403
- 81410
- 81411
- 81413
- 81415
- 81416
- 81418
- 81419
- 81422
- 81423
- 81424
- 81425
- 81426
- 81427
- 81428
- 81429
- 81430
- 81431
- 81432
- 81433
- 81434
- 81435
- 81501
- 81503
- 81504
- 81505
- 81506
- 81507
- 81520
- 81521
- 81522
- 81523
- 81524
- 81525
- 81526
- 81527
- 81601
- 81610
- 81611
- 81612
- 81615
- 81621
- 81623
- 81624
- 81625 (100%)
- 81630
- 81631 (5.3%)
- 81632 (<0.1%)
- 81633
- 81635
- 81637 (15%)
- 81638 (80%)
- 81640
- 81641
- 81642
- 81643
- 81646
- 81647
- 81648
- 81650
- 81652
- 81653 (16%)
- 81654
- 81656
Towns
Aguilar CCD, Alamosa CCD, Antonito CCD, Arboles CCD, Aspen CCD, Avondale CCD, Basalt CCD, Bayfield CCD, Blanca CCD, Branson CCD, Cedaredge CCD, Center CCD, Cheraw CCD, Clifton CCD, Cochetopa CCD, Collbran CCD, Colorado City-Rye CCD, Cortez CCD, Craig CCD, Creede CCD, Crested Butte CCD, De Beque CCD, Del Norte CCD, Delta CCD, Dinosaur CCD, Dolores CCD, Dove Creek CCD, Durango CCD, Durango Southwest CCD, Fowler CCD, Fruita CCD, Gardner CCD, Glade Park-Gateway CCD, Glenwood Springs CCD, Grand Junction CCD, Gunnison CCD, Hotchkiss CCD, Huerfano Valley CCD, Ignacio CCD and Kim CCD and others.
Get this in your AI agent
Your agent can draw every precinct in CO-03, or list them with population shares (related_geographies). Add https://boundarymcp.com/mcp to Claude, ChatGPT, Cursor or Codex (free, no key; how), then:
get_boundaries(id="us:congressional_district:0803", children_level="precinct", include_districts=True)