Escondido ( ) is a city located in San Diego County's North County region, northeast of Downtown San Diego, California. The city occupies a shallow valley ringed by rocky hills. Incorporated in 1888, it is one of the oldest cities in San Diego County. The city had a population of 143,911 at the 2010 census. Its municipal government set itself an operating budget limit of $426,289,048 for the fiscal year 2010-2011. The city is known as Eskondiid in Diegueño.