|— City —|
|• Total||1.9 sq mi (4.9 km2)|
|• Land||1.9 sq mi (4.9 km2)|
|• Water||0.0 sq mi (0.0 km2)|
|Elevation||830 ft (253 m)|
|• Density||892.1/sq mi (344.4/km2)|
|Time zone||Central (CST) (UTC-6)|
|• Summer (DST)||CDT (UTC-5)|
|GNIS feature ID||1293272|
McEwen is located at .(36.108810, -87.634974)
According to the United States Census Bureau, the city has a total area of 1.9 square miles (4.9 km2), all of it land.
Major roads 
As of the census of 2000, there were 1,702 people, 725 households, and 476 families residing in the city. The population density was 892.1 people per square mile (344.1/km²). There were 775 housing units at an average density of 406.2 per square mile (156.7/km²). The racial makeup of the city was 98.65% White, 0.35% African American, 0.18% Native American, 0.06% Asian, 0.06% Pacific Islander, 0.12% from other races, and 0.59% from two or more races. Hispanic or Latino of any race were 0.53% of the population.
There were 725 households out of which 30.8% had children under the age of 18 living with them, 51.0% were married couples living together, 10.6% had a female householder with no husband present, and 34.3% were non-families. 30.5% of all households were made up of individuals and 14.3% had someone living alone who was 65 years of age or older. The average household size was 2.34 and the average family size was 2.92.
In the city the population was spread out with 25.6% under the age of 18, 7.9% from 18 to 24, 27.7% from 25 to 44, 23.1% from 45 to 64, and 15.7% who were 65 years of age or older. The median age was 37 years. For every 100 females there were 87.9 males. For every 100 females age 18 and over, there were 81.9 males.
The median income for a household in the city was $30,682, and the median income for a family was $39,167. Males had a median income of $30,417 versus $22,109 for females. The per capita income for the city was $17,375. About 11.2% of families and 15.8% of the population were below the poverty line, including 20.0% of those under age 18 and 14.3% of those age 65 or over.
McEwen is the home of the Irish Picnic, a fundraiser for the local St. Patrick Church and School. It was established in 1854 and was recognised in 1988 by the Guinness Book of World Records as "The World's Largest Outdoor Barbecue". The event is held annually on the last Friday and Saturday in July.
Notable residents 
- "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.
- "US Gazetteer files: 2010, 2000, and 1990". United States Census Bureau. 2011-02-12. Retrieved 2011-04-23.
- Veteto, James R; Maclin, Ted. "Tennessee BBQ". SouthernBBQTrail.com. Retrieved April 7, 2011.
- "Area Attractions: Special Events". HumphreysTN.com. Retrieved April 7, 2011.