Stotfold is a town and civil parish in the Central Bedfordshire district of Bedfordshire, England. The town covers 2,207 acres (8.93 km2) and the River Ivel passes through the town. The population of the parish at the 2021 census was 9,014. The wider built-up area, which the Office for National Statistics defines to additionally include the adjoining Fairfield Park development, had a population of 12,310 at the 2021 census. For the purposes of postal addresses, Stotfold comes under the post town of Hitchin; it was therefore in the postal county of Hertfordshire despite actually being in Bedfordshire.