Indiacensus, Gadhada had a population of 26,751. Males constitute 52% of the population and females 48%. Gadhada has an average literacy rate of 62%, higher than the national average of 59.5%: male literacy is 70%, and female literacy is 54%. In Gadhada, 16% of the population were under 6 years of age.
The Swaminarayan Temple, also known as Gopinathji temple in Gadhada is regarded as one of the important places of pilgrimage for followers of the Swaminarayan sect, as Swaminarayan spent more than 27 years of his life in Gadhada. Swaminarayan Hindu Temple in Gadhada is one of the one of six temples which was made under the supervision of Swaminarayan himself.