ZIP code 42166: Metcalfe County, KY
ZIP code 42166 is in Summer Shade (13% of residents), in Metcalfe County (67%), Barren County (23%) and Monroe County (10%), Kentucky. 87% of its residents live outside city limits. It is in Kentucky's 1st congressional district (77%) and Kentucky's 2nd congressional district (23%). Its state senate districts are State Senate District 16 (77%) and State Senate District 9 (23%); its state house districts are State House District 21 (77%) and State House District 23 (23%).
See it on the mapAll of Kentucky
City and county
| City or town | Share of ZIP residents |
|---|---|
| Summer Shade | 13% |
| County | Share of ZIP residents |
|---|---|
| Metcalfe County | 67% |
| Barren County | 23% |
| Monroe County | 10% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Summer Shade CCD | 67% |
| Temple Hill CCD | 23% |
| Mount Hermon CCD | 10% |
Congressional districts
| Congressional district | Share of ZIP residents |
|---|---|
| Kentucky's 1st congressional district (KY-01) | 77% |
| Kentucky's 2nd congressional district (KY-02) | 23% |
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.
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 16 | 77% |
| State Senate District 9 | 23% |
| State house district | Share of ZIP residents |
|---|---|
| State House District 21 | 77% |
| State House District 23 | 23% |
Voting precincts
7 voting precincts overlap ZIP 42166. 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:42166")
ZIP 42166 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.