|— City —|
|• Total||4.03 sq mi (10.44 km2)|
|• Land||3.72 sq mi (9.63 km2)|
|• Water||0.31 sq mi (0.80 km2)|
|Elevation||1,165 ft (355 m)|
|• Estimate (2011)||2,121|
|• Density||568.3/sq mi (219.4/km2)|
|Time zone||Eastern (EST) (UTC-5)|
|• Summer (DST)||EDT (UTC-4)|
|GNIS feature ID||0627850|
Harrison is near the junction of US 127 and M-61. US 127 actually bypasses the city on the east, though a business route serves the downtown area. Clare is 14 miles (23 km) south on US 127, while Grayling is 40 miles (64 km) to the north. Harrison is bordered along its eastern side by Budd Lake.
Harrison was originally founded as a lumber town, with sawmills located on the shores of Budd Lake. One of the lumber companies donated the land which is now Wilson State Park. Harrison is the county seat of Clare County Michigan. The City of Harrison attracts thousands of visitors from all across the state, with its "twenty lakes in twenty minutes" and large amount of state land for recreational sports.
The biggest local events are the Clare County Fair and Frostbite Open Golf Tournament on Budd Lake.
There are several historical building in the city of Harrison. The Surrey House is a relic of the lumber town days.
2010 census 
As of the census of 2010, there were 2,114 people, 913 households, and 524 families residing in the city. The population density was 568.3 inhabitants per square mile (219.4 /km2). There were 1,306 housing units at an average density of 351.1 per square mile (135.6 /km2). The racial makeup of the city was 93.7% White, 1.7% African American, 0.8% Native American, 0.5% Asian, 0.2% from other races, and 3.1% from two or more races. Hispanic or Latino of any race were 2.5% of the population.
There were 913 households out of which 26.9% had children under the age of 18 living with them, 37.0% were married couples living together, 15.9% had a female householder with no husband present, 4.5% had a male householder with no wife present, and 42.6% were non-families. 37.2% of all households were made up of individuals and 17.5% had someone living alone who was 65 years of age or older. The average household size was 2.18 and the average family size was 2.79.
The median age in the city was 42.1 years. 21% of residents were under the age of 18; 10.8% were between the ages of 18 and 24; 22.4% were from 25 to 44; 27.4% were from 45 to 64; and 18.4% were 65 years of age or older. The gender makeup of the city was 49.1% male and 50.9% female.
2000 census 
As of the census of 2000, there were 2,108 people, 857 households, and 526 families residing in the city. The population density was 563.3 per square mile (217.6/km²). There were 1,187 housing units at an average density of 317.2 per square mile (122.5/km²). The racial makeup of the city was 94.78% White, 2.04% African American, 0.62% Native American, 0.71% Asian, 0.43% from other races, and 1.42% from two or more races. Hispanic or Latino of any race were 1.47% of the population.
There were 857 households out of which 26.6% had children under the age of 18 living with them, 46.0% were married couples living together, 12.5% had a female householder with no husband present, and 38.6% were non-families. 35.2% of all households were made up of individuals and 18.2% had someone living alone who was 65 years of age or older. The average household size was 2.24 and the average family size was 2.83.
In the city the population was spread out with 22.3% under the age of 18, 9.7% from 18 to 24, 25.6% from 25 to 44, 24.7% from 45 to 64, and 17.7% who were 65 years of age or older. The median age was 39 years. For every 100 females there were 93.6 males. For every 100 females age 18 and over, there were 92.5 males.
The median income for a household in the city was $26,392, and the median income for a family was $35,179. Males had a median income of $32,500 versus $20,909 for females. The per capita income for the city was $15,443. About 14.1% of families and 18.5% of the population were below the poverty line, including 20.8% of those under age 18 and 15.1% of those age 65 or over.
- Mid Michigan Community College-Harrison
- US 127
BUS US 127 serves local business traffic through the city.
- Public bus service is provided by the Clare County Transit Corporation with four daily round-trips between Harrison and Clare, MI.
- "US Gazetteer files 2010". United States Census Bureau. Retrieved 2012-11-25.
- "American FactFinder". United States Census Bureau. Retrieved 2012-11-25.
- "Population Estimates". United States Census Bureau. Retrieved 2013-01-02.
- "American FactFinder". United States Census Bureau. Retrieved 2008-01-31.
- "US Board on Geographic Names". United States Geological Survey. 2007-10-25. Retrieved 2008-01-31.
- "Find a County". National Association of Counties. Retrieved 2011-06-07.
- Clare County Business Association
- Clare county Chamber of Commerce
- Clare County Visitors Bureau
- Harrison Chamber of Commerce