India census, Ukai had a population of 10,858. Males constitute 54% of the population and females 46%. Ukai has an average literacy rate of 76%, higher than the national average of 59.5%: male literacy is 84%, and female literacy is 67%. In Ukai, 10% of the population is under 6 years of age.
Ukai has the biggest Dam in Gujarat built on Tapti River. The Project's name is Vallabh Sagar Sarovar Project. By use of dam, the capacity of 300MW of Hydro Power Station is working.
The Thermal Power Station having 840MW Capacity with 5 Units is a major industry in ukai. It resides at Left bank Canal of Tapti River.