Question: What is the average income in the county where Stinson Beach is located?

full_context: Document 1: Santa Monica, California: Santa Monica is a beachfront city in western Los Angeles County, California, United States. The city is named after the Christian saint, Monica. Situated on Santa Monica Bay, it is bordered on three sides by the city of Los Angeles – Pacific Palisades to the north, Brentwood on the northeast, Sawtelle on the east, Mar Vista on the southeast, and Venice on the south. Santa Monica is well known for its affluent single-family neighborhoods but also has many neighborhoods consisting primarily of condominiums and apartments. Over two-thirds of Santa Monica's residents are renters. The Census Bureau population for Santa Monica in 2010 was 89,736.
Document 2: Central Coast (California): The Central Coast is an area of California, United States, roughly spanning the coastal region between Point Mugu and Monterey Bay. It lies northwest of Los Angeles County and south of San Francisco and San Mateo counties. Six counties make up the Central Coast: from south-to north, Ventura, Santa Barbara, San Luis Obispo, Monterey, San Benito, and Santa Cruz.
Document 3: Household income in the United States: One key measure is the real median level, meaning half of households have income above that level and half below, adjusted for inflation. According to the Census, this measure was $59,039 in 2016, a record high. This was the largest two year percentage increase on record.
Document 4: Stanford University: Most of Stanford University is on an 8,180-acre (12.8 sq mi; 33.1 km2) campus, one of the largest in the United States. It is located on the San Francisco Peninsula, in the northwest part of the Santa Clara Valley (Silicon Valley) approximately 37 miles (60 km) southeast of San Francisco and approximately 20 miles (30 km) northwest of San Jose. In 2008, 60% of this land remained undeveloped.Stanford's main campus includes a census-designated place within unincorporated Santa Clara County, although some of the university land (such as the Stanford Shopping Center and the Stanford Research Park) is within the city limits of Palo Alto. The campus also includes much land in unincorporated San Mateo County (including the SLAC National Accelerator Laboratory and the Jasper Ridge Biological Preserve), as well as in the city limits of Menlo Park (Stanford Hills neighborhood), Woodside, and Portola Valley.
Document 5: Fresno County, California: The median income for a household in the county was $34,725, and the median income for a family was $38,455. Males had a median income of $33,375 versus $26,501 for females. The per capita income for the county was $15,495. About 17.6% of families and 22.9% of the population were below the poverty line, including 31.7% of those under age 18 and 9.9% of those age 65 or over.
Document 6: Rodeo Beach: Rodeo Beach is a beach in the Golden Gate National Recreation Area located in Marin County, California, two miles north of the Golden Gate Bridge. It is characterized by a spit of around 50 meters width at the mouth of a long embayment, known as Rodeo Lagoon; for much of the year the lagoon is cut off from the ocean, making the beach spit a baymouth bar. Part of the beach is sheltered by cliffs. Rodeo Beach is known for its dark, pebbly sand, its uses for surfing and sunbathing, and its locale as a place for viewing, but not collecting, semi-precious stones. This beach is unique among California beaches in that it is largely made up of coarse, pebbly chert grains, both red and green in color. Its mineral composition sets it apart from every other beach in the state Surfing is possible throughout the year and at all tidal stages, but is best in summer — although there is a risk of shark attacks. Due to the North bar offshore of this beach it results in big waves in the winter months with the big swells that come in. Strong currents make swimming dangerous.
Document 7: Lewis County, West Virginia: The median income for a household in the county was $27,066, and the median income for a family was $32,431. Males had a median income of $27,906 versus $18,733 for females. The per capita income for the county was $13,933. 19.90% of the population and 16.30% of families were below the poverty line. 27.00% of those under the age of 18 and 11.20% of those 65 and older were living below the poverty line.
Document 8: Stinson Beach, California: Stinson Beach is a census-designated place in Marin County, California, on the west coast of the United States. Stinson Beach is located east-southeast of Bolinas, at an elevation of 26 feet (8 m). The population of the Stinson Beach CDP (census-designated place) was 632 at the 2010 census.
Document 9: Hampshire County, West Virginia: The median income for a household in the county was $31,666, and the median income for a family was $37,616. Males had a median income of $28,884 versus $19,945 for females. The per capita income for the county was $14,851. About 12.90% of families and 16.30% of the population were below the poverty line, including 22.70% of those under age 18 and 13.10% of those age 65 or over.
Document 10: Detroit: Oakland County in Metro Detroit, once rated amongst the wealthiest US counties per household, is no longer shown in the top 25 listing of Forbes magazine. But internal county statistical methods – based on measuring per capita income for counties with more than one million residents – show that Oakland is still within the top 12, slipping from the 4th-most affluent such county in the U.S. in 2004 to 11th-most affluent in 2009. Detroit dominates Wayne County, which has an average household income of about $38,000, compared to Oakland County's $62,000.
Document 11: San Francisco: San Francisco is located on the West Coast of the United States at the north end of the San Francisco Peninsula and includes significant stretches of the Pacific Ocean and San Francisco Bay within its boundaries. Several picturesque islands—Alcatraz, Treasure Island and the adjacent Yerba Buena Island, and small portions of Alameda Island, Red Rock Island, and Angel Island—are part of the city. Also included are the uninhabited Farallon Islands, offshore in the Pacific Ocean. The mainland within the city limits roughly forms a "seven-by-seven-mile square", a common local colloquialism referring to the city's shape, though its total area, including water, is nearly .
Document 12: List of highest-income counties in the United States: Rank County State Median Household Income Loudoun County Virginia $134,464 Howard County Maryland $120,941 Fairfax County Virginia $115,717 Hunterdon County New Jersey $113,684 5 Santa Clara County California $111,069 6 Arlington County Virginia $110,388 7 Douglas County Colorado $109,292 8 San Mateo County California $108,627 9 Morris County New Jersey $106,985 10 Williamson County Tennessee $106,054 11 Nassau County New York $105,870 12 Somerset County New Jersey $104,478 13 Marin County California $103,845 14 San Francisco County California $103,801 15 Delaware County Ohio $101,693 16 Forsyth County Georgia $100,909 17 Montgomery County Maryland $99,763 18 Calvert County Maryland $98,732 19 Prince William County Virginia $97,986 20 Stafford County Virginia $97,484 21 Putnam County New York $96,992 22 Anne Arundel County Maryland $96,483 23 Charles County Maryland $95,735 24 Rockwall County Texas $95,731 25 Middlesex County Massachusetts $95,249
Document 13: Household income in the United States: One key measure is the real median level, meaning half of households have income above that level and half below, adjusted for inflation. According to the Census, this measure was $59,039 in 2016, a record high. This was the largest two year increase percentage increase on record.
Document 14: Muir Beach, California: Muir Beach is a census designated place (CDP), unincorporated community, and beach that is located northwest of San Francisco in western Marin County, California, United States. It is named for John Muir. The population was 310 at the 2010 census. The community itself flanks the northwest side of the beach.
Document 15: South Beach, Oregon: South Beach is an unincorporated community in Lincoln County, Oregon, United States. South Beach is located along the Pacific coast at Yaquina Bay, south of Newport. South Beach has a post office with ZIP code 97366.
ground_truth: $103,845
sub_queries: Stinson Beach >> located in the administrative territorial entity Answer: Marin County
what is the average income in Marin County Answer: $103,845