Gridley is located in east Kansas. Gridley is between the Coffey, Woodson county. Gridley has 0.41 square miles of land area and 0.06 square miles of water area. As of 2010-2014, the total Gridley population is 310, which has shrunk 16.67% since 2000. The population growth rate is much lower than the state average rate of 7.24% and is much lower than the national average rate of 11.61%. Gridley median household income is $37,321 in 2010-2014 and has grown by 41.66% since 2000. The income growth rate is much higher than the state average rate of 27.69% and is much higher than the national average rate of 27.36%. Gridley median house value is $57,600 in 2010-2014 and has grown by 66.47% since 2000. The house value growth rate is higher than the state average rate of 54.97% and is higher than the national average rate of 46.91%. As a reference, the national Consumer Price Index (CPI) inflation rate for the same period is 26.63%. On average, the public school district that covers Gridley is much better than the state average in quality. The Gridley area code is 620.