Tatum is located in southeast New Mexico. Tatum is part of Lea County. Tatum has 1.58 square miles of land area and 0.01 square miles of water area. As of 2010-2014, the total Tatum population is 652, which has shrunk 4.54% since 2000. The population growth rate is much lower than the state average rate of 14.35% and is much lower than the national average rate of 11.61%. Tatum median household income is $39,737 in 2010-2014 and has grown by 37.82% since 2000. The income growth rate is higher than the state average rate of 31.74% and is higher than the national average rate of 27.36%. Tatum median house value is $55,600 in 2010-2014 and has grown by 71.08% since 2000. The house value growth rate is much higher than the state average rate of 47.36% and is much 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 Tatum is better than the state average in quality. The Tatum area code is 575.