Cornish Flat is an unincorporated village in the town of Cornish

Cornish, New Hampshire

Cornish is a town in Sullivan County, New Hampshire, United States. The population was 1,640 at the 2010 census. Cornish has three covered bridges. Each August, it is home to the Cornish Fair.-History:...

 in Sullivan County, New Hampshire

Sullivan County, New Hampshire

-Demographics:As of the census of 2000, there were 40,458 people, 16,530 households, and 11,174 families residing in the county. The population density was 29/; . There were 20,158 housing units at an average density of 38 per square mile...

.

The village is located in a wide section of the valley of Blow-me-down Brook

Blow-me-down Brook

Blow-me-down Brook is a 12.8 mile long stream located in western New Hampshire in the United States.  It is a tributary of the Connecticut River, which flows to Long Island Sound....

 in the northeastern corner of the town of Cornish. New Hampshire Route 120

New Hampshire Route 120

New Hampshire Route 120 is a long secondary north–south state highway in Sullivan and Grafton counties in the upper Connecticut River Valley region of New Hampshire. NH 120 runs between the towns of Claremont and Hanover....

 passes through the village, connecting it with Claremont

Claremont, New Hampshire

There were 5,685 households out of which 27.4% had children under the age of 18 living with them, 45.5% were married couples living together, 10.3% had a female householder with no husband present, and 39.7% were non-families. 32.2% of all households were made up of individuals and 14.7% had...

 to the south and Meriden

Meriden, New Hampshire

Meriden is a village in the eastern part of the town of Plainfield in Sullivan County, New Hampshire, United States. Meriden is home to Kimball Union Academy, a private boarding school....

 and Lebanon

Lebanon, New Hampshire

As of the census of 2000, there were 12,568 people, 5,500 households, and 3,178 families residing in the city. The population density was 311.4 people per square mile . There were 5,707 housing units at an average density of 141.4 per square mile...

 to the north.

Cornish Flat has a separate ZIP code

ZIP Code

ZIP codes are a system of postal codes used by the United States Postal Service since 1963. The term ZIP, an acronym for Zone Improvement Plan, is properly written in capital letters and was chosen to suggest that the mail travels more efficiently, and therefore more quickly, when senders use the...

(03746) from the rest of the town of Cornish.