ZIP code 45341: Crystal Lakes, OH
ZIP code 45341 is in Crystal Lakes (33% of residents), Medway (17%) and Park Layne (3.2%), in Clark County, Ohio. 47% of its residents live outside city limits. It is in Ohio's 4th congressional district (56%) and Ohio's 15th congressional district (44%). Its state senate district is State Senate District 10; its state house district is State House District 74.
City and county
| City or town | Share of ZIP residents |
|---|---|
| Crystal Lakes | 33% |
| Medway | 17% |
| Park Layne | 3.2% |
| County | Share of ZIP residents |
|---|---|
| Clark County | 100% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Bethel township | 100% |
| Mad River township | land only |
Congressional districts
| Congressional district | Share of ZIP residents |
|---|---|
| Ohio's 4th congressional district (OH-04) | 56% |
| Ohio's 15th congressional district (OH-15) | 44% |
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 (OH-04) | Jim Jordan (R) | 202-225-2676 | 56% |
| U.S. Representative (OH-15) | Mike Carey (R) | 202-225-2015 | 44% |
| U.S. Senator | Bernie Moreno (R) | 202-224-2315 | statewide |
| U.S. Senator | Jon Husted (R) | 202-224-3353 | statewide |
| State Senator (State Senate District 10) | Kyle Koehler (R) | 100% | |
| State Representative (State House District 74) | Bernie Willis (R) | 100% | |
| State Representative (State House District 71) | Levi Dean (R) | <0.1% |
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: State legislators: Open States (public domain); Members of Congress: the @unitedstates project, congress-legislators (CC0).
Local government
- Crystal Lakes laws: search for the Crystal Lakes, Ohio code of ordinances
- Medway laws: search for the Medway, Ohio code of ordinances
- Park Layne laws: search for the Park Layne, Ohio code of ordinances
- Clark County website: http://www.clarkcountyohio.gov
- Clark County laws: search for the Clark County, Ohio code of ordinances
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 10 | 100% |
| State house district | Share of ZIP residents |
|---|---|
| State House District 74 | 100% |
| State House District 71 | land only |
Voting precincts
5 voting precincts overlap ZIP 45341. 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://boundarymcp.com/mcp to Claude, ChatGPT, Cursor or Codex (free, no key; how), then:
related_geographies(id="us:zcta:45341")
ZIP 45341 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.