The Atlas is a free internet resource providing results of U.S. Presidential Elections to the world community. Data is collected from many official sources and presented in one convenient location. Includes county-level election results. 1789 to latest. State, county, and town-level FIPS codes are available, some for purchase: high-level data and maps (state, national) as well as the county and congressional-district maps are free.

Annual reports that present detailed vital statistics data, including natality, mortality, marriage and divorce. These reports are available for download (PDF) or as bound volumes in many large public and university libraries. It also includes life tables, national health statistics reports, national vital statistics reports as well as vital and health statistics series.

The Storm Events Database contains the records used to create the official NOAA Storm Data publication, documenting: 

The State and Local Area Web site allows online access to the data provided by the Statistical Abstract supplement publications, State and Metropolitan Area Data Book (SMADB) and County and City Data Book (CCDB). They are convenient statistical summaries of the social and economic structure of states, metropolitan and micropolitan areas, counties, cities, and places in the United States. Data for both the Web site and print publications is compiled and managed by the Statistical Compendia Branch of the U.S.

QuickFacts tables are summary profiles showing frequently requested data items from various Census Bureau programs. Profiles are available for the nation, states, counties, and places. QuickFacts includes statistics for all states and counties, and for cities and towns with more than 5,000 people. Statistics topics include population, age groups, ethnicity, education, commute to work, business ownership, and government spending. This website is no longer updated.

This compilation includes links to US data on multiple topics related to demography, social, economic, political, crime, well-being etc. These have been compiled from various data sets from US government including data from the US Census International Database, the World Factbook and from the USDA ERS data. The compilations from US government data are also public domain, and so are the sections of the files that have government data.

Tables containing statistics on population and housing counts. Includes population, housing units, area measurements, density, urban and rural population, mean center of population. Includes also reports and analysis. PDF format.

Contains aggregate census data and GIS files for the U.S. from 1790 to the present. Topics include general population characteristics, economic indicators, buildings, agriculture, and social environment indicators. Data are available per census year and at different geographic levels (nation, state, countu, census tract, etc.)

The database includes ZIP code, city name, alias city name, state code, phone area code, city type, county name, country FIPS, time zone, day light saving flag, latitude, longitude, county elevation, Metropolitan Statistical Area (MSA), Primary Metropolitan Statistical Area (PMSA), Core Based Statistical Area (CBSA) and census 2000 data on population by race, average household income, and average house value.

The Political Database of the Americas (PDBA) is a non-governmental project of the Center for Latin American Studies (CLAS) at Georgetown University in collaboration with institutions like the Secretariat for Political Affairs of the Organization of American States and FLACSO-Chile, and also with the support of other organizations and entities in the region.