Dunkirk is a city in Blackford and Jay counties in the U.S. state of Indiana.

When the first post office was established there, it was discovered there was already a Quincy, Indiana, and so the town was renamed Dunkirk to avoid repetition.

An annual Feel The Warmth downtown city event and a Mainstreet USA Festival.

Dunkirk is primarily in Jay County, though the northwestern portion of the town (west of Main Street and north of Blackford Avenue) lies in neighboring Blackford County.

According to the 2010 census, Dunkirk has a total area of 1.26 square miles (3.26 km2), all land.

[8] Dunkirk has a typical Midwestern humid continental seasonal climate.

There are four distinct seasons, with winters being cold with moderate snowfall, while summers can be warm and humid.

Average monthly precipitation ranges from about 2 to 4 inches (5 to 10 cm), with the heaviest occurring during May, June, and July.

27.5% of all households were made up of individuals, and 15.3% had someone living alone who was 65 years of age or older.

They are both located in the city limits and are a part of Jay County School Corporation.