Non emergency police phone numbers for 3 agencies in St. Louis County, Missouri, with which area each one covers and the official source used to check every number.
These are non emergency lines. If someone is in danger or a crime is in progress, call 911.
St. Louis County agencies at a glance
| Agency, number and address | Type | Official website |
|---|---|---|
| St. Louis County Police Department (Clayton) (636) 529-8210 7900 Forsyth Boulevard, Clayton, Missouri, 63105 | County police | stlouiscountymo.gov Checked Nov 2026 |
| St. Louis County Police Department (Jennings) (636) 529-8210 5445 Jennings Station Road, Jennings, Missouri, 63136 | County police department (Jennings Precinct) | stlouiscountypolice.com Checked Nov 2026 |
| Maplewood Police Department (314) 645-3000 3236 Big Bend Blvd, Maplewood, Missouri, 63143 | Municipal police | maplewoodmo.gov Checked Nov 2026 |
| Richmond Heights Police Department (314) 655-3630 7447 Dale Avenue, Richmond Heights, Missouri, 63117 | Municipal police | rhpolice.org Checked Aug 2026 |
The St. Louis County Police Department appears 2 times because we list it for Clayton and Jennings; it is one agency with one non-emergency number, (636) 529-8210.
Who covers which part of St. Louis County
This page lists 2 municipal police departments and 1 countywide agency. A city department only answers for addresses inside its own city limits (Maplewood Police Department, Richmond Heights Police Department). Outside those limits, in unincorporated parts of the county, calls go to the St. Louis County Police Department on (636) 529-8210. St. Louis County has about 987,059 residents on 508 square miles of land; about 17,099 of them (2%) live in the 2 towns with their own police departments listed here (Richmond Heights 9,058, Maplewood 8,041) (U.S. Census Bureau, 2023 population estimate).
How far apart they are
The agencies on this page are up to 7 miles apart. If you live near a city line, check which side your address is on before calling: each department only handles its own area.
- St. Louis County Police Department (Clayton): the nearest other agency listed here is Richmond Heights Police Department, 1.9 miles away.
- St. Louis County Police Department (Jennings): the nearest other agency listed here is Richmond Heights Police Department, 6.4 miles away.
- Maplewood Police Department: the nearest other agency listed here is Richmond Heights Police Department, 1.1 miles away.
- Richmond Heights Police Department: the nearest other agency listed here is Maplewood Police Department, 1.1 miles away.
Neighbouring counties we cover
- St. Charles County (2 agencies, about 20 miles away)
- Jefferson County (2 agencies, about 23 miles away)
How these numbers were checked
Each number was compared with the one published by an official source: the agency’s own site, its city or county government, or a state agency (maplewoodmo.gov, rhpolice.org, stlouiscountymo.gov, stlouiscountypolice.com). Last check: 3 in Nov 2026, 1 in Aug 2026. Read how we verify numbers.
More of Missouri
St. Louis County is one of several we cover in Missouri. See all non emergency police numbers in Missouri, or tell us if a municipality in this county is missing.