Caledonia

A village in Washington County, Missouri — population 126 as of 2020.

Heat Advisory — Heat Advisory issued September 15 at 11:53AM CDT until September 18 at 8:00PM CDT by NWS St Louis MO

Tonight 73°F Slight Chance Showers And Thunderstorms then Mostly Clear17% precip

Wednesday 96°F Mostly Sunny then Slight Chance Showers And Thunderstorms20% precip

Wednesday Night 73°F Slight Chance Showers And Thunderstorms then Mostly Clear19% precip

Thursday 98°F Sunny12% precip

News around Washington County

Newest first · from sources across Washington County · checked 2 hr ago

Washington County Inmate Roster – 9-14-26

WSLM Radio 1220 AM / 97.9 FM September 14

MITCHELL, JENNIFER Booking #: 65747 Booking Date: 09-12-2026 – 11:39 pm Charges: Possession of cocaine or narcotic drug Neglect of a dependent Possession of paraphernalia View Profile >>> BLEVINS, SHANE Booking #: 65746 Booking Date: 09-12-2026 – 4:02 am Charges: Domestic battery…

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Caledonia by the numbers

Population 126Population figure, 2020

Households & income

Area: 0.16 sq mi (0.42 km²)
Median age: 56.4
Persons per household: 1.9

2020–2024 ACS

Municipal office

Office: MAYOR
Address: PO BOX 100, CALEDONIA, MO 63631

Municipal record

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Caledonia by the numbers