Lodi, OH has a population of 2,789 and is the 9,174th largest city in the United States. The population density is 1,241 per sq mi which is 382% higher than the Ohio average and 1270% higher than the national average. The median age in Lodi is 44 which is approximately 13% higher than the Ohio average of 39. In Lodi, 54% of the population over 15 years of age are married, 96% speak English and 2% speak Spanish. 83% of Lodi residents were born in Ohio, 15% were born out of state, 1% were born outside of the United States and 1% were foreign born.