|• Total||4.4 sq mi (11.3 km2)|
|• Land||4.4 sq mi (11.3 km2)|
|• Water||0.0 sq mi (0.0 km2)|
|Elevation||958 ft (292 m)|
|• Density||888.4/sq mi (343.0/km2)|
|Time zone||Central (CST) (UTC-6)|
|• Summer (DST)||CDT (UTC-5)|
|GNIS feature ID||1290467|
Lafayette is located at .
According to the United States Census Bureau, the city has a total area of 4.4 square miles (11 km2), all land.
As of the census of 2000, there were 3,885 people, 1,718 households, and 1,089 families residing in the city. The population density was 888.4 people per square mile (343.3/km2). There were 1,845 housing units at an average density of 421.9 per square mile (163.0/km2). The racial makeup of the city was 97.89% White, 0.15% African American, 0.33% Native American, 0.39% Asian, 0.26% Pacific Islander, 0.51% from other races, and 0.46% from two or more races. Hispanic or Latino of any race were 2.11% of the population.
There were 1,718 households out of which 26.1% had children under the age of 18 living with them, 49.2% were married couples living together, 10.6% had a female householder with no husband present, and 36.6% were non-families. 34.2% of all households were made up of individuals and 20.1% had someone living alone who was 65 years of age or older. The average household size was 2.21 and the average family size was 2.79.
In the city the population was spread out with 20.6% under the age of 18, 8.4% from 18 to 24, 24.0% from 25 to 44, 25.0% from 45 to 64, and 22.0% who were 65 years of age or older. The median age was 43 years. For every 100 females there were 84.6 males. For every 100 females age 18 and over, there were 81.2 males.
The median income for a household in the city was $25,750, and the median income for a family was $34,125. Males had a median income of $28,994 versus $19,676 for females. The per capita income for the city was $15,348. About 12.1% of families and 18.0% of the population were below the poverty line, including 23.2% of those under age 18 and 24.2% of those age 65 or over.
On February 5, 2008 at approximately 10:20 p.m., an EF3 tornado touched down in Lafayette and stayed on the ground with a width of approximately 3/4 mile and traveled for nearly 21 miles (34 km), crossing the county in a northeastern direction. The county was devastated by the twister and a total of 14 people were confirmed dead. Macon County was not equipped with tornado warning sirens; despite the efforts of the local news media and the National Weather Service, many residents were unprepared. This tornado nearly wiped out whole roads including Doublewide LN and Akersville RD. The people in the areas affected were killed or badly injured. Some areas still have visible damage.
The Lafayette and Macon County area is a rural area and its economy mainly relies on the agricultural sector. Macon County is time and again one of the top producers of burley tobacco in Tennessee and the United States. The production of hardwood lumber is also an important industry in the county. There are two local banks with their main offices located in Lafayette. The oldest is Citizens Bank, founded in 1909, and has ten locations in Macon County and surrounding areas. Macon Bank & Trust Co. was founded in 1919 and has seven locations in the area.
Lafayette is home to a few industries. The largest manufacturers in the area are Fleetwood Homes, which is a division of Cavco Industries, Inc., and Tennplasco, which is a division of Manar, Inc.
- Key Park – located on Church Street and includes picnic facilities, a playground, a bandstand, walking tracks and Key Park Log House. The Farmer's Market also sets up shop here.
- Lafayette City Park – located on Days Road and includes picnic facilities, a playground, a swimming pool, a volleyball court, tennis courts and a baseball field.
- Macon County Golf Course – semi-private, nine-hole course
Lafayette is home to several schools which are run by the Macon County Board of Education. Macon County High School is the high school located in Lafayette, home of the Tigers and Tigerettes. Founded in 1927 the first graduating class consisted of 4 graduates.
- Central Elementary School, 2-3
- Fairlane Elementary School, PK-1
- Lafayette Elementary School, 4-5
- Macon County High School, 9-12
- Macon County Junior High School, 6-8
- Westside Elementary School, PK-5, located in western Macon County
- Red Boiling Springs High School
- Macon Christian Academy, Pre School to 12
Lafayette is located at the crossroads of Tennessee Routes 10 and 52. Route 52 is the main thoroughfare in the city, connecting with Interstate 65 approximately 35 miles away, near Portland. Other major highways include Tennessee State Route 261 and Tennessee State Route 262.
Sneed Boulevard is used as a bypass that connects Route 52 to the Lafayette Industrial Park, which is located in the northern section of the city.
Located two miles west of downtown, air service in Lafayette is provided by Lafayette Municipal Airport. The facility includes a runway with dimensions of 5,200 by 75 feet.
- John Washington Butler
- Hillous Butrum - Country music guitarist.
- Rita Coolidge - American singer.
- Nera White - First Woman in Basketball Hall of Fame
- Jett Williams - Country Music Singer
- "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.
- "US Gazetteer files: 2010, 2000, and 1990". United States Census Bureau. 2011-02-12. Retrieved 2011-04-23.