California's 21st congressional district

California's 21st congressional district (or CA-21) is a congressional district in the U.S. state of California. It is located in the San Joaquin Valley and includes parts of Fresno County and Tulare County. Cities in the district include the majority of Fresno, the north side of Visalia, and all of Sanger, Selma, Kingsburg, Parlier, Reedley, Orange Cove, Dinuba, Orosi, Cutler, Farmersville, Woodlake and Exeter. The district is currently represented by Democrat Jim Costa.

Demographics
According to the APM Research Lab's Voter Profile Tools (featuring the U.S. Census Bureau's 2019 American Community Survey), the district contained about 377,000 potential voters (citizens, age 18+). Of these, 63% are Latino, while 26% are White. Immigrants make up 16% of the district's potential voters. Median income among households (with one or more potential voter) in the district is about $51,500, while 15% of households live below the poverty line. As for the educational attainment of potential voters in the district, 23% of those 25 and older have not earned a high school degree, while 12% hold a bachelor's or higher degree.

Cities with 10,000 or more people

 * Fresno - 542,107
 * Visalia - 141,384
 * Reedley - 25,658
 * Sanger - 25,339
 * Selma - 24,825
 * Dinuba - 24,563
 * Parlier - 18,494
 * Kingsburg - 12,380
 * Farmersville - 10,382
 * Exeter - 10,324
 * Orange Cove - 10,273

2,500-10,000 people

 * Orosi - 8,770
 * Woodlake - 7,419
 * Fowler - 6,790
 * Old Fig Garden - 5,365
 * Mayfair - 4,589
 * Cutler - 4,480
 * Sunnyside - 4,234
 * Ivanhoe - 4,198
 * Goshen - 3,006