New Baltimore, MI has a population of 12,266 and is the 3,358th largest city in the United States. The population density is 2,666 per sq mi which is 2543% higher than the Michigan average and 2842% higher than the national average. The median age in New Baltimore is 40 which is approximately equal to the Michigan average of 40. In New Baltimore, 65% of the population over 15 years of age are married, 95% speak English and 1% speak Spanish. 86% of New Baltimore residents were born in Michigan, 11% were born out of state, 1% were born outside of the United States and 2% were foreign born.