West Monroe, MI has a population of 3,355 and is the 8,256th largest city in the United States. The population density is 2,708 per sq mi which is 2585% higher than the Michigan average and 2889% higher than the national average. The median age in West Monroe is 38 which is approximately 5% lower than the Michigan average of 40. In West Monroe, 54% of the population over 15 years of age are married, 99% speak English and 1% speak Spanish. 71% of West Monroe residents were born in Michigan, 28% were born out of state, 0% were born outside of the United States and 1% were foreign born.