California (Population: 39,613,493)Ĭalifornia is one of the three largest American states in terms of land mass. Which state populations are the largest? The results of 2023 population estimates from the World Population Review probably won’t surprise you. With a resident population of just over half a million - that’s about one-eighth the size of the population of Los Angeles - Wyoming is the least populous state in the United States. With a total population of more than 40 million, California is the most populous U.S. The surveys collected by the Census and the American Community Survey are the primary sources of demographic information for the United States. The 2020 census short form included questions about: This information is now collected by the American Community Survey. In 2010, the census questionnaire was shortened to exclude detailed information, such as languages spoken in a household, educational attainment, transportation usage, internet usage, and so forth. ![]() The census consists of voluntary surveys filled out by people who live all over the United States. Census Bureau takes a census, that is, a count of people living in the country. How is Population Measured in Cities?Įvery ten years, the U.S. Projections can also help governments to plan for future needs.Īnd by making these data publicly available, the census allows journalists, students, scholars, and websites like this one to transmit accurate information about the population of the United States. And planners may use it to determine what types of housing are most needed in their area. Educational authorities use population information to decide if they need to open more schools in a given area. Population figures help federal, state, and local government officials to make decisions about issues that affect people.įor example, transportation authorities may use demographic information to make decisions about expanding roads and public transportation. What can we learn from studying population trends? And who uses this information? Why are Population Figures Important? Accessed DAY MONTH YEAR.N.B.: Puerto Rico and the District of Columbia are not states, but their populations are 3,153,898 and 715,891, respectively. Source imagery for HRSL © 2016 DigitalGlobe. To reference this data, please use the following citation: Facebook Connectivity Lab and Center for International Earth Science Information Network - CIESIN - Columbia University. This preserves the relative population totals across administrative units while matching the UN total. ![]() The resulting adjustment factor is multiplied by each administrative unit census value for the target year. ![]() The UN estimate for a given country (or state/territory) is divided by the total census estimate of population for the given country. For more information about the methodology used to create our high resolution population density maps and the demographic distributions, please visit: įor information about how to use HDX to access these datasets, please visit: Īdjustments to match the census population with the UN estimates are applied at the national level. The resulting maps are the most detailed and actionable tools available for aid and research organizations. Then we work with our partners at Columbia University to overlay general population estimates based on publicly available census data and other population statistics. To create our high-resolution maps, we use machine learning techniques to identify buildings from commercially available satellite images. Creative Commons Attribution International
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