Rushden is a market town and civil parish in the East Northamptonshire district in Northamptonshire, England.
The parish of Rushden covers an area of some 9,000 acres (36.42 km2), and is part of the district of East Northamptonshire. The population of Rushden is 29,272 (Census 2011), making it the fifth largest town in the county. The Rushden-Higham urban area, which includes the adjoining town of Higham Ferrers, has an estimated population of 36,410. The estimated population of Rushden in 2015 was 30,282.