|— City —|
|• Total||1.6 sq mi (4 km2)|
|• Land||1.5 sq mi (4 km2)|
|• Water||0.04 sq mi (0.1 km2)|
|Elevation||679 ft (207 m)|
|• Density||1,871.7/sq mi (722.7/km2)|
|Time zone||Eastern (EST) (UTC-5)|
|• Summer (DST)||EDT (UTC-4)|
|ZIP codes||40336, 40472|
|GNIS feature ID||0512925|
Irvine is a city in and county seat of Estill County, Kentucky, United States. Its population was 2,843 at the 2000 census. It is located on the Kentucky River at the junction of Kentucky Route 52 and Kentucky Route 89.
Irvine is located at .(37.696835, -83.966895)
According to the United States Census Bureau, the city has a total area of 1.5 square miles (3.9 km2), of which, 1.5 sq mi (3.9 km2) of it is land and 0.04 sq mi (0.10 km2) (2.58%) is water.
Irvine was laid out on January 28, 1812 on land once granted to Green Clay. Its namesake is William Irvine, an early settler and Indian fighter. A post office was established in the town in 1813. The town did not incorporate until 1849, and was ransacked on October 13, 1864 by Confederate guerrillas, who burned the jail.
The town remained small until the 1870s, when its population passed 300. Construction of the Louisville & Nashville Railroad's North Fork through town, as well as a coal boom around the start of the 20th century, greatly increased the local population.
As of the census of 2000, there were 2,843 people, 1,259 households, and 793 families residing in the city. The population density was 1,871.7 /sq mi (722.7 /km2). There were 1,409 housing units at an average density of 927.6 /sq mi (358.1 /km2). The racial makeup of the city was 99.26% White, 0.04% African American, 0.21% Native American, 0.04% from other races, and 0.46% from two or more races. Hispanic or Latino of any race were 0.56% of the population.
There were 1,259 households out of which 26.9% had children under the age of 18 living with them, 42.7% were married couples living together, 17.2% had a female householder with no husband present, and 37.0% were non-families. 33.7% 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 2.22 and the average family size was 2.82.
22.9% of the population was under the age of 18, 8.0% from 18 to 24, 27.7% from 25 to 44, 23.0% from 45 to 64, and 18.5% who were 65 years of age or older. The median age was 39 years. For every 100 females there were 83.9 males. For every 100 females age 18 and over, there were 77.2 males.
The median income for a household in the city was $20,286, and the median income for a family was $25,046. Males had a median income of $28,988 versus $17,194 for females. The per capita income for the city was $14,075. About 20.9% of families and 28.2% of the population were below the poverty line, including 25.4% of those under age 18 and 22.0% of those age 65 or over.
Noted natives 
- Lee Rose - Basketball coach.
- Harry Dean Stanton - Noted character actor.
- Kevin Richardson - Former member of the Backstreet Boys.
- "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.
- Rennick, Robert M. (1987). "Kentucky Place Names". University Press of Kentucky. p. 150. Retrieved 2013-04-28.
- "American FactFinder". United States Census Bureau. Retrieved 2008-01-31.