New Haven, Illinois

New Haven is a village in Gallatin County, Illinois, United States, along the Little Wabash River near its mouth at the Wabash River. The population was 399 at the 2020 United States Census

History
Before the New Haven vicinity was settled, it was inhabited by multiple indigenous cultures. Some countryside southeast of the village near the Wabash was formerly the location of a village of a Late Woodland people known as the "Duffy Complex"; the location is now an archaeological site known as the Duffy site.

Geography
New Haven is located in the northeast corner of Gallatin County at 37.90722°N, -88.12694°W (37.907113, -88.126954). It is bordered to the north by White County, and the Little Wabash River forms part of the northern border. Illinois Route 141 passes through the northern part of the village, leading east 5 mi to the Indiana border at the Wabash River and 13 mi to Mount Vernon, Indiana, and west 12 mi to U.S. Route 45 northwest of Omaha, Illinois. Shawneetown, the Gallatin County seat, is 17 mi to the south.

According to the 2021 census gazetteer files, New Haven has a total area of 1.27 sqmi, of which 1.24 sqmi (or 97.72%) is land and 0.03 sqmi (or 2.28%) is water.

Demographics
As of the 2020 census there were 399 people, 157 households, and 90 families residing in the village. The population density was 313.43 PD/sqmi. There were 204 housing units at an average density of 160.25 /sqmi. The racial makeup of the village was 96.49% White, 0.75% Asian, and 2.76% from two or more races. Hispanic or Latino of any race were 0.50% of the population.

There were 157 households, out of which 21.7% had children under the age of 18 living with them, 46.50% were married couples living together, 9.55% had a female householder with no husband present.

The median income for a household in the village was $34,432, and the median income for a family was $75,417. About 23.9% of the population were below the poverty line, including 27.9% of those under age 18 and 15.9% of those age 65 or over.