Covina is a city in Los Angeles County, California, located in the San Gabriel Valley, about 22 miles (35 km) east of downtown Los Angeles. The population increased from 47,796 in the 2010 census to 51,268 in the 2020 census. When the city’s incorporated territory was only one square mile, the phrase “One Mile Square and All There” was created (2.6 km2). To the south and west of Covina, West Covina forms a border. To the west are the unincorporated community of Vincent, the city of Baldwin Park, and Irwindale. Azusa and Glendora are to the north, Charter Oak, an unincorporated area, is to the northeast, San Dimas, an unincorporated area, is to the east, Ramona, an unincorporated area, is to the south, and Pomona, a city, is to the southeast. Location of Covina is 34°5′30′′N 117°52′45′′W. (34.091609, -117.879193). A very little section of Interstate 10 is the only road that traverses the region. Interstate 210 (Foothill Freeway), State Route 57 (Orange Freeway), Interstate 605 (San Gabriel River Freeway), and Interstate 10 (I-10) all pass through the centre of Covina. Just north of the downtown area, Covina is crossed by the Southern Pacific Railroad, which arrived there in 1884, and the Metrolink San Bernardino Line. In the San Gabriel Valley, the village is situated at the base of the San Gabriel Mountains. 7.0 square miles (18 km2), or 99.78% land and 0.22% water, is the total area of the city, according to the United States Census Bureau. Winters are warm, sporadically rainy, while summers are hot and dry in this area. Covina has a hot-summer Mediterranean climate, denoted on climate maps by the initials “Csa” in accordance with the Köppen climatic classification system.