|— Village —|
|• Total||1.41 sq mi (3.65 km2)|
|• Land||1.40 sq mi (3.63 km2)|
|• Water||0.01 sq mi (0.03 km2)|
|Elevation||617 ft (188 m)|
|• Estimate (2011)||1,164|
|• Density||841.4/sq mi (324.9/km2)|
|Time zone||Eastern (EST) (UTC-5)|
|• Summer (DST)||EDT (UTC-4)|
|GNIS feature ID||0630359|
- According to the United States Census Bureau, the village has a total area of 1.41 square miles (3.65 km2), of which, 1.40 square miles (3.63 km2) of it is land and 0.01 square miles (0.03 km2) is water.
- Lexington considered to be part of the Thumb of Michigan, which in turn is a subregion of the Flint/Tri-Cities.
- It can also be considered as in the Blue Water Area, a subregion of the Thumb.
Lexington is primary a rural resort area with a seasonal population and many commuting residents. Port Huron is 18 miles away with retail and employment.
Lexington is the birthplace of Charles Lathrop Pack (May 7, 1857 – June 14, 1937), a third-generation timberman, one of the five wealthiest men in America prior to World War I.
2010 census 
As of the census of 2010, there were 1,178 people, 599 households, and 331 families residing in the village. The population density was 841.4 inhabitants per square mile (324.9 /km2). There were 1,114 housing units at an average density of 795.7 per square mile (307.2 /km2). The racial makeup of the village was 97.3% White, 0.3% African American, 0.2% Native American, 0.3% Asian, 0.7% from other races, and 1.3% from two or more races. Hispanic or Latino of any race were 1.5% of the population.
There were 599 households out of which 17.5% had children under the age of 18 living with them, 42.2% were married couples living together, 10.2% had a female householder with no husband present, 2.8% had a male householder with no wife present, and 44.7% were non-families. 40.6% of all households were made up of individuals and 21.4% had someone living alone who was 65 years of age or older. The average household size was 1.95 and the average family size was 2.57.
The median age in the village was 55.2 years. 15.2% of residents were under the age of 18; 6.2% were between the ages of 18 and 24; 14.8% were from 25 to 44; 30.8% were from 45 to 64; and 33% were 65 years of age or older. The gender makeup of the village was 46.3% male and 53.7% female.
2000 census 
As of the census of 2000, there were 1,104 people, 550 households, and 305 families residing in the village. The population density was 1,188.3 per square mile (458.3/km²). There were 1,060 housing units at an average density of 1,140.9 per square mile (440.1/km²). The racial makeup of the village was 98.82% White, 0.19% Native American, 0.36% Asian, 0.18% from other races, and 0.45% from two or more races. Hispanic or Latino of any race were 1.54% of the population.
There were 550 households out of which 21.8% had children under the age of 18 living with them, 43.8% were married couples living together, 7.8% had a female householder with no husband present, and 44.5% were non-families. 40.6% of all households were made up of individuals and 20.2% had someone living alone who was 65 years of age or older. The average household size was 1.98 and the average family size was 2.65.
In the village, the population was spread out with 20.0% under the age of 18, 6.7% from 18 to 24, 20.2% from 25 to 44, 26.1% from 45 to 64, and 27.0% who were 65 years of age or older. The median age was 47 years. For every 100 females there were 81.9 males. For every 100 females age 18 and over, there were 74.9 males.
The median income for a household in the village was $30,792, and the median income for a family was $41,364. Males had a median income of $36,346 versus $25,809 for females. The per capita income for the village was $22,218. About 7.3% of families and 9.4% of the population were below the poverty line, including 12.0% of those under age 18 and 5.4% of those age 65 or over.
- "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.