CQ Voting Studies are an annual analysis of a member's support or opposition to a given position. Interest Group Ratings are based on rankings from groups chosen to represent liberal, conservative, business and labor viewpoints.Voting Participation scores are based on the number of times a member voted "yea" or "nay" on roll call votes (not including quorum calls in the House). CQ Vote Studies Year Presidential Support Party Unity   S* O* S O 1998 80% 18% 92% 5% 1997 69 17 87 6 1996 82 13 91 3 1995 77 11 87 4 1994 79 15 85 5 1993 79 16 91 5 1992 19 81 90 6 1991 30 65 89 6 1990 26 74 89 6 S=Support; O=Oppose
Voting Participation Year % 1998 96 1997 92 1996 93 1995 90 1994 91 1993 97 1992 95 1991 94 1990 96	Interest Groups Year ADA AFL-CIO CCUS ACU 1998 100% n/a 33% 8 % 1997 95 100 33 8 1996 95 100 13 0 1995 90 100 25 22 1994 70 88 50 24 1993 90 100 18 9 1992 95 92 25 8 1991 75 100 11 11 1990 78 92 21 17
Note on Interest Groups: ADA=Americans for Democratic Action; AFL-CIO=American Federation of Labor-Congress of Industrial Organizations; CCUS=Chamber of Commerce of the United States; ACU=American Conservative Union

CALIFORNIA 12 : Most of San Mateo County; southwest San Francisco

A mix of scenic coastal mountains and bayside commuter traffic jams, the 12th lies between its two well-known neighbors of San Francisco and Silicon Valley. The district includes a southwestern section of San Francisco, but most residents live in heavily populated suburbs in San Mateo County between two main commuter routes - the Junipero Serra Freeway (Interstate 280) and Bayshore Freeway (U.S. Highway 101). The district also covers a portion of Pacific coastline between Pacifica and Moss Beach.

While Silicon Valley to the south continues its high-tech success, the 12th is seeing a growth in technology companies itself. A number of biotechnology firms have set up shop in the South San Francisco area, making biotechnology one of the area's leading industries. But the district's largest employer remains San Francisco International Airport. Just over one-fourth of the district's residents are Asian, with Daly City home to the district's highest concentration, about 42 percent.

Overall, district residents cover a wide range of the political spectrum but have tended to vote Democratic as a whole. At the southern end of the district, residents of the affluent communities of Burlingame and Hillsborough are more conservative, while voters in the San Francisco area are more Democratic.

Major Industry
Biotechnology, airport, software

Population
571,667 (1990)

Cities
San Francisco (pt.), 150,712 (1990); Daly City, 97,649; San Mateo, 90,161; South San Francisco, 57,357 (1996)

People
100% urban; 14% age 65+ (ranks fourth of 52 in state; top third nationally); 53% married couples, 23% married couples with children; 32% college educated (ranks 13 of 52 in state; top third nationally); 69% white collar (ranks 11 of 52 in state; top third nationally), 18% blue collar (ranks 40 of 52 in state; bottom third nationally) (1990)

Race
65% white, 4% black, 26% Asian; 14% Hispanic origin (1990)

Median Household Income
$44,720 (ranks 11 of 52 in state; top third nationally) (1990)

Unusual Features
Museum of Pez Memorabilia in Burlingame; 3Com Park (formerly Candlestick Park), home of the San Francisco 49ers; Daly City has the largest concentration of Filipinos outside the Philippines.

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