Ohio's 12th congressional district (OH-12)
Ohio's 12th congressional district (OH-12) covers parts or all of 11 counties, including Coshocton County, Fairfield County, Guernsey County, Knox County, Licking County and Monroe County, and 146 ZIP codes (90 wholly inside it). Its 2020 population was 786,630. This is the map in force for the November 3, 2026 election.
Who represents OH-12
| Office | Member | Contact |
|---|---|---|
| U.S. Representative (OH-12) | Troy Balderson (R) | 202-225-5355 |
| U.S. Senator | Bernie Moreno (R) | 202-224-2315 |
| U.S. Senator | Jon Husted (R) | 202-224-3353 |
Elected in 2024 under OH's previous congressional map; this district's lines changed for the 120th Congress (seated January 3, 2027).
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 OH-12 |
|---|---|
| Coshocton County | 100% |
| Fairfield County | 100% |
| Guernsey County | 100% |
| Knox County | 100% |
| Licking County | 100% |
| Monroe County | 100% |
| Muskingum County | 100% |
| Noble County | 100% |
| Perry County | 73% |
| Delaware County | 67% |
| Holmes County | 66% |
ZIP codes
Percentages mark ZIPs only partly in OH-12: the share of that ZIP's residents inside it.
- 43001
- 43005
- 43006
- 43008
- 43011 (87%)
- 43013
- 43014 (100%)
- 43015 (13%)
- 43016 (0.6%)
- 43018
- 43019 (78%)
- 43021
- 43022
- 43023
- 43025
- 43027
- 43028
- 43030
- 43031
- 43032
- 43033
- 43035 (98%)
- 43037
- 43046
- 43050 (100%)
- 43054 (0.9%)
- 43055
- 43056
- 43062
- 43065 (69%)
- 43068 (35%)
- 43071
- 43074 (100%)
- 43076
- 43080
- 43081 (0.1%)
- 43082
- 43102 (92%)
- 43103 (0.3%)
- 43105
- 43107 (96%)
- 43110 (20%)
- 43112
- 43113 (0.5%)
- 43130
- 43136
- 43147 (99%)
- 43148
- 43150 (97%)
- 43154 (77%)
- 43155 (66%)
- 43157
- 43235 (0.2%)
- 43240
- 43334 (2.8%)
- 43701
- 43711
- 43716 (82%)
- 43717
- 43720 (97%)
- 43721
- 43722
- 43723
- 43724 (100%)
- 43725
- 43727
- 43731 (66%)
- 43732
- 43733
- 43734
- 43735
- 43736
- 43738
- 43739
- 43740
- 43746
- 43747 (67%)
- 43748 (6.0%)
- 43749 (98%)
- 43750
- 43754
- 43755
- 43756 (1.2%)
- 43760
- 43762
- 43764 (90%)
- 43767
- 43768
- 43771
- 43772
- 43773
- 43777
- 43778
- 43779
- 43780
- 43783
- 43786
- 43788
- 43791
- 43793
- 43802
- 43804 (20%)
- 43805
- 43811
- 43812
- 43821
- 43822
- 43824 (93%)
- 43830
- 43832 (18%)
- 43836
- 43837 (6.7%)
- 43840 (1.2%)
- 43842
- 43843
- 43844
- 43845
- 43914
- 43915
- 43931
- 43942 (4.7%)
- 43946
- 43973 (43%)
- 43983 (23%)
- 44610
- 44611 (93%)
- 44624 (0.1%)
- 44627 (19%)
- 44628
- 44633
- 44637
- 44638 (77%)
- 44654 (79%)
- 44661
- 44676 (22%)
- 44813 (3.8%)
- 44822 (32%)
- 44842 (12%)
- 45715 (4.1%)
- 45727 (97%)
- 45734
- 45744 (2.9%)
- 45745 (41%)
- 45746 (13%)
- 45767 (22%)
- 45789 (14%)
Towns
Adams township, Adams township, Adams township, Adams township, Amanda township, Beaver township, Bedford township, Bennington township, Benton township, Berkshire township, Berlin township, Berlin township, Berne township, Bethel township, Bethlehem township, Bloom township, Blue Rock township, Bowling Green township, Brookfield township, Brown township, Brush Creek township, Buffalo township, Burlington township, Butler township, Cambridge township, Cass township, Center township, Center township, Center township, Clark township, Clay township, Clay township, Clayton township, Clearcreek township, Clinton township, College township, Columbus City township, Columbus city, Coshocton city and Crawford township and others.
Get this in your AI agent
Your agent can draw every precinct in OH-12, 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:3912", children_level="precinct", include_districts=True)