Thompson is a borough in Susquehanna County, Pennsylvania, United States. The population was 255 at the 2020 census.^[3]

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Thompson, Pennsylvania
Borough
Ice cream store in the old railroad station
Location of Thompson in Susquehanna County, Pennsylvania.
Thompson Show map of Pennsylvania Thompson Show map of the United States
Coordinates: 41°51′44″N 75°30′57″W
Country	United States
State	Pennsylvania
County	Susquehanna
Incorporated	1876
Government
• Mayor	Jeffry Sheldon[1]
Area [2]
• Total	0.51 sq mi (1.33 km2)
• Land	0.51 sq mi (1.33 km2)
• Water	0.00 sq mi (0.00 km2)
Population  (2020)[3]
• Total	255
• Estimate  (2021)[3]	254
• Density	525.39/sq mi (202.83/km2)
Time zone	UTC-5 (Eastern (EST))
• Summer (DST)	UTC-4 (EDT)
Zip code	18465
Area code	570
FIPS code	42-76496

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Thompson is located at 41°51′44″N 75°30′57″W (41.862354, -75.515864).^[4]

According to the United States Census Bureau, the borough has a total area of 0.5 square miles (1.3 km²), all land.

Thompson Borough was incorporated on August 15, 1876 from part of Thompson Township. Both were named after Susquehanna County associate judge William Thompson.^[5]

The Spencer Milling Company gristmill was built on Jackson Street by G. Fenton Spencer in 1870.^[6]

At the 2010 census there were 299 people, 126 households, and 78 families residing in the borough. The population density was 598 inhabitants per square mile (231/km²). There were 163 housing units at an average density of 326 per square mile (126/km²). The racial makeup of the borough was 98.7% White, 0.3% African American, and 1% from two or more races. Hispanic or Latino of any race were 0.7%.^[10]

Of the 126 households, 26.2% had children under the age of 18 living with them, 42.1% were married couples living together, 14.3% had a female householder with no husband present, and 38.1% were non-families. 27.8% of households were one person, and 11.1% were one person aged 65 or older. The average household size was 2.37 and the average family size was 2.90.

In the borough the population was spread out, with 23.1% under the age of 18, 60.8% from 18 to 64, and 16.1% 65 or older. The median age was 42 years.

The median household income was $31,875 and the median family income was $31,250. Males had a median income of $30,000 versus $19,688 for females. The per capita income for the borough was $14,883. About 20.7% of families and 25.1% of the population were below the poverty line, including 36.3% of those under the age of eighteen and 35.7% of those 65 or over.