Open Census MCP Server

United States Census Bureau | An official website of the United States Government Using 1-Year or 5-Year American Community Survey Data Access information on how to choose which dataset best suits your needs. Publication Understanding and Using ACS Data: What All Data Users Need to Know September 2020 This handbook helps general data users learn how to access and use ACS data and provide concrete examples of how ACS data can answer real-world questions. [/programs-surveys/acs/guidance/handbooks/general.html] Distinguishing features of ACS 1-year, 1-year supplemental, 3-year, and 5-year estimates 1-year estimates 1-year supplemental estimates 3-year estimates* [/programs- surveys/acs/guidance/estima tes.html#par_textimage_0] 5-year estimates 12 months of collected data 12 months of collected data Example: 2023 ACS 36 months of collected data Example: 2011-2013 60 months of collected data Example: 2019- Example: 2023 ACS 1-year 1-year supplemental estimates Date collected ACS 3-year estimates Date collected between: 2023 ACS 5-year estimates Date collected estimates Date collected between: between: January 1, 2023 and January 1, 2023 and December 31, 2023 January 1, 2011 and December 31, 2013 between: January 1, 2019 and December 31, 2023 December 31, 2023 Data for areas with populations of Data for areas with populations of 20,000+ Data for areas with populations of 20,000+ Data for all areas 65,000+ Smallest sample size Smallest sample size Larger sample size than 1-year Largest sample size Less reliable than 3-year or 5-year Less reliable than 5-year More reliable than 1-year; less reliable than 5-year Most reliable Most current data Most current data Less current than 1-year estimates; more current Least current than 5-year Annually released: 2005-present Annually released: 2014-present Annually released: 2007-2013 Annually released: 2009-present Best used when Best used when Best used when Best used when Currency is more important than Currency is more important than precision More precise than 1-year, spans fewer years than Precision is more important than currency precision Analyzing large Analyzing smaller populations Examining 5-year Analyzing smaller populations Examining Analyzing very small populations Examining populations smaller geographies because the standard 1- smaller geographies because the standard 1-year tracts and other smaller geographies because 1- year estimates are not available estimates are not available year estimates are not available *ACS 3-year estimates have been discontinued. The 2005-2007, 2006-2008, 2007-2009, 2008-2010, 2009-2011, 2010-2012 and 2011-2013 ACS 3-year estimates will remain available to data users, but no new 3-year estimates will be produced. Every community in the nation will continue to receive a detailed statistical portrait of its social, economic, housing and demographic characteristics through 1-year and 5-year ACS products. Related Information American Community Survey Data [/programs-surveys/acs/data.html] Sample ACS & PRCS Forms and Instructions [/acs-forms-and-instructions] Data Release Rules [/programs-surveys/acs/technical-documentation/data-suppression.html] You May Be Interested In Contact Updates Contact Us Email Updates Share Your ACS Data Story Learn how to contact Sign up to receive email Tell us your story about the American Community Survey if you updates about the American Community how you use data from the American [/programs- surveys/acs/contact.html] [/programs- surveys/acs/news/email- updates.html] [/programs-surveys/acs/share- your-acs-data-story.html] Page Last Revised - October 31, 2024