There are several websites that give data on villages in Alaska. This information comes from a variety of sources, but primarily from Census Data. Here are some links to information, both specific to Nunapitchuk and also statewide data for all of Alaska.
Alaska Economic Trends - http://labor.state.ak.us/trends/home.htm
Current Population Estimates - http://labor.alaska.gov/research/pop/popest.htm
Alaska Occupation Forecasts - http://live.laborstats.alaska.gov/occ/alloccs.cfm
Alaska Training Clearinghouse - http://live.laborstats.alaska.gov/atc/
Training Providers and Performance Summary - http://labor.alaska.gov/research/Training/provider.htm
Alaska Wages - http://live.laborstats.alaska.gov/wage/