Yuma County, Arizona. Yuma County is a county in the southwestern corner of the U.S. state of Arizona. As of the 2010 census, its population was 195,751. The county seat is Yuma. Yuma County comprises the Yuma, AZ Metropolitan Statistical Area. The county borders the Colorado River to the southwest, with three other states across the river: California of the United States and the Mexican state of Baja California to the west, and Sonora, Mexico, 60 miles to the south.
Louisiana is a southeastern state in the USA. It is between Texas, Arkansas, Mississippi and the Gulf of Mexico. 31 people found this useful.
Coordinates: 29Â°44â²N 90Â°06â²W / 29.733Â°N 90.100Â°W / 29.733; -90.100. Jefferson Parish (French: Paroisse de Jefferson) is a parish in the U.S. state of Louisiana. As of the 2010 census, the population was 432,552. The parish seat is Gretna. Jefferson Parish is included in the New Orleans-Metairie, LA Metropolitan Statistical Area. Jefferson Parish was less affected by Hurricane Katrina in 2005 and has rebounded at a more rapid pace than neighboring Orleans Parish.