Langhorne is a borough in Bucks County, Pennsylvania, United States. The population was 1,622 at the 2010 census. The name "Langhorne" is used broadly to describe the majority of surrounding Middletown Township, which for the most part uses Langhorne's zip code of 19047. Sesame Place, while physically located in surrounding Middletown Township, has Langhorne as its mailing address. The actual population that uses Langhorne as their town is 36,626.

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