|Yuma County and the state of Arizona|
|• Mayor||Martin Porchas|
|• Total||1.3 sq mi (3.4 km2)|
|• Land||1.33 sq mi (3.4 km2)|
|• Water||0.0 sq mi (0.0 km2)|
|Elevation||105 ft (32 m)|
|• Density||7,746.9/sq mi (2,962.1/km2)|
|Time zone||MST (no DST) (UTC-7)|
Somerton is located at (32.597258, -114.712242).
According to the United States Census Bureau, the city has a total area of 1.3 square miles (3.4 km2), all of it land.
As of the census of 2000, there were 7,266 people, 1,818 households, and 1,652 families residing in the city. The population density was 5,483.2 people per square mile (2,109.3/km²). There were 1,967 housing units at an average density of 1,484.4 per square mile (571.0/km²). The racial makeup of the city was 44.52% White, 0.37% Black or African American, 0.65% Native American, 0.34% Asian, 0.01% Pacific Islander, 51.11% from other races, and 2.99% from two or more races. 95.17% of the population were Hispanic or Latino of any race.
There were 1,818 households out of which 59.4% had children under the age of 18 living with them, 70.9% were married couples living together, 16.3% had a female householder with no husband present, and 9.1% were non-families. 7.8% of all households were made up of individuals and 4.2% had someone living alone who was 65 years of age or older. The average household size was 3.99 and the average family size was 4.21.
In the city the population was spread out with 38.9% under the age of 18, 11.2% from 18 to 24, 28.3% from 25 to 44, 14.4% from 45 to 64, and 7.2% who were 65 years of age or older. The median age was 25 years. For every 100 females there were 96.5 males. For every 100 females age 18 and over, there were 92.3 males.
The median income for a household in the city was $26,544, and the median income for a family was $27,944. Males had a median income of $21,619 versus $16,677 for females. The per capita income for the city was $7,960. About 24.0% of families and 26.6% of the population were below the poverty line, including 31.8% of those under age 18 and 27.9% of those age 65 or over.
Somerton has an annual Tamale Festival that benefits students from the area who will be attending Arizona State University. More than 20000 visitors attend the festival each year. The festival is put together by The EL Diablito Arizona State University (ASU) Alumni chapter. The chapter was established by ASU graduates who have returned to work and live in the Yuma/Somerton/San Luis area.
- "Annual Estimates of the Population for All Incorporated Places in Arizona" (CSV). 2005 Population Estimates. U.S. Census Bureau, Population Division. June 21, 2006. Retrieved 2006-11-14.
- "Annual Estimates of the Population for Incorporated Places in Arizona". United States Census Bureau. 2008-07-10. Retrieved 2008-07-14.
- Somerton community profile from Arizona Department of Commerce
- "US Gazetteer files: 2010, 2000, and 1990". United States Census Bureau. 2011-02-12. Retrieved 2011-04-23.
- "American FactFinder". United States Census Bureau. Retrieved 2008-01-31.