Monroe County is a county located in the U.S. state of Michigan. As of the 2010 census, the population was 152,021. The largest city and county seat is Monroe. The county was established as the second county (after Wayne County) in the Michigan Territory in 1817 and was named for then-President James Monroe.
According to the U.S. Census Bureau, the county has a total area of 680 square miles (1,800 km), of which 549 square miles (1,420 km) is land and 131 square miles (340 km) (19%) is water. Monroe is Michigan’s only county on Lake Erie. The River Raisin and Sandy Creek flow through the county. Sterling State Park is the county’s only state park and the only of Michigan’s 98 state parks located on Lake Erie. The Detroit River International Wildlife Refuge extends south into Monroe County and includes part of the North Maumee Bay Archeological District. Monroe County sits at the lowest elevation in state of Michigan, which is the shores of Lake Erie at 571 feet (174 meters).
As of the census of 2000, there were 145,945 people, 53,772 households, and 39,952 families residing in the county. The population density was 265 people per square mile (102/km²). There were 56,471 housing units at an average density of 102 per square mile (40/km²). The racial makeup of the county was 95.42% White, 1.90% Black or African American, 0.28% Native American, 0.47% Asian, 0.01% Pacific Islander, 0.62% from other races, and 1.31% from two or more races. 2.13% of the population were Hispanic or Latino of any race. 28.5% were of German, 8.9% American, 8.3% Polish, 8.2% French, 8.0% Irish, 7.5% English and 5.7% Italian ancestry, 96.4% spoke English and 1.5% Spanish as their first language.
There were 53,772 households out of which 36.00% had children under the age of 18 living with them, 60.00% were married couples living together, 10.10% had a female household with no husband present, and 25.70% were non-families. 21.70% of all households were made up of individuals and 8.50% had someone living alone who was 65 years of age or older. The average household size was 2.69 and the average family size was 3.14. In the county, the population was spread out with 27.40% under the age of 18, 8.10% from 18 to 24, 29.80% from 25 to 44, 23.50% from 45 to 64, and 11.10% who were 65 years of age or older. The median age was 36 years. For every 100 females, there were 98.40 males. For every 100 females age 18 and over, there were 95.20 males. The median income for a household in the county was $51,743, and the median income for a family was $59,659. Males had a median income of $46,715 versus $27,421 for females. The per capita income for the county was $22,458. About 4.80% of families and 7.00% of the population were below the poverty line, including 8.10% of those under age 18 and 8.30% of those age 65 or over.
In the 2008 census report, the county’s population was estimated at 152,949. The leading nationality was German at 34.9%, with Irish at 15.2% and French at 11.1%. Other national origins include 10.5% Polish and 8.9% English. The smallest population of any large nationality in the United States is Danish with only 45 people of Danish descent in the county. The highest ethnicity reported in the county in 2008 was white at 95.3%. Black people accounted for only 2.4%, while other ethnic groups include 0.7% Asian and 0.3% total for Native Americans and Alaska Natives. Hispanic and Latino Americans accounted for 2.7%.
Monroe County Michigan neighborhoods include: Arbor Creek, Carrington, Cypress Pointe Estates, Fix Rd / Mentel Rd, Frenchtown, Golfcrest, Grand Beach, Hollywood Central, Monroe, Norman Towers, Northwest City, Oakridge Estates, Old Village Historic District, Patterson Gardens, Raisinville, Southpointe Square, Sterling