Longford is a city in Clay County, Kansas, United States.

[5] In 1887, Atchison, Topeka and Santa Fe Railway built a branch line from Neva (3 mi (4.8 km) west of Strong City) through Longford to Superior, Nebraska.

In 1996, the Atchison, Topeka and Santa Fe merged with Burlington Northern Railroad and was renamed to the current BNSF Railway.

According to the United States Census Bureau, the city has a total area of 0.15 square miles (0.39 km2), all land.

[6] The climate in this area is characterized by hot, humid summers and generally mild to cool winters.

[7] The 2020 United States census counted 73 people, 39 households, and 25 families in Longford.

28.2% of households consisted of individuals and 15.4% had someone living alone who was 65 years of age or older.

The racial makeup of the city was 97.5% White, 1.3% Native American, and 1.3% from two or more races.

The racial makeup of the city was 96.81% White, 2.13% African American, and 1.06% from two or more races.

There were 11.1% of families and 13.6% of the population living below the poverty line, including no under eighteens and 33.3% of those over 64.

[23] The community is served by Clay County USD 379 public school district.