USDA Food Markets & Prices
The Consumer Price Index (CPI) for food is probably the most widely used indicator of changes in retail food prices. ERS regularly updates food price forecasts for the short-term period. Also find indicators of individual, household, and market-level food consumption, prices, expenditures, food marketing costs, and farm-to-retail price spreads.
Food Service Industry
ERS research examines the size of the foodservice market, major market segments, and recent issues related to the foodservice industry.
Food Consumption & Demand
ERS provides economic analyses of trends, dietary patterns, and the relationship between food intake and nutritional/health outcomes such as obesity.
Find popular facts (population, income, etc.) and frequently requested data about communities. Search by state, county, city, town, or zip code. Great for SF neighborhood searches.
Bureau of Labor Statistics
The Bureau of Labor Statistics of the U.S. Department of Labor is the principal Federal agency responsible for measuring labor market activity, working conditions, and price changes in the economy. BLS provides access to the Consumer Price Index (monthly average consumer expenditures on products and services), pay & benefits information, employment, productivity, and selected international labor resources.
Consumer Expenditure Survey
The Bureau of Labor Statistics' Consumer Expenditure Survey records how Americans spend their money by tracking expenditures on food, housing, transportation, education, pensions, healthcare, etc.
Bay Area Census
San Francisco City and County Census information 1860-
DataSF is the City and County of San Francisco’s official open data portal.
San Francsico Statistics
Provides data for entire city, data for specific areas within the city and historical data
Food Comsumption in the San Francisco and the Bay Area is chapter 3 of The San Francisco Foodshed Report provided by American Farmland Trust.