Griffin, GA has a population of 22,875 and is the 1,901st largest city in the United States. The population density is 1,641 per sq mi which is 883% higher than the Georgia average and 1712% higher than the national average. The median age in Griffin is 33 which is approximately 8% lower than the Georgia average of 36. In Griffin, 41% of the population over 15 years of age are married, 94% speak English and 5% speak Spanish. 78% of Griffin residents were born in Georgia, 17% were born out of state, 0% were born outside of the United States and 4% were foreign born.