Lafferty, OH has a population of 348 and is the 21,645th largest city in the United States. The population density is 372 per sq mi which is 44% higher than the Ohio average and 311% higher than the national average. The median age in Lafferty is 49 which is approximately 25% higher than the Ohio average of 39. In Lafferty, 40% of the population over 15 years of age are married, 100% speak English and 0% speak Spanish. 30% of Lafferty residents were born in Ohio, 70% were born out of state, 0% were born outside of the United States and 0% were foreign born.