This layer contains the most current release of data from the American Community Survey (ACS) about housing occupancy, tenure, and median rent/housing value. These are 5-year estimates shown by tract, county, and state boundaries. A brief summary of the item is not available. Add a brief summary about the item.
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Item created: Oct 20, 2018 Item updated: Dec 19, 2024 View count: 1,138,088
Description
- This layer is updated automatically when the most current vintage of ACS data is released each year, usually in December. The layer always contains the latest available ACS 5-year estimates. It is updated annually within days of the Census Bureau's release schedule. Click here to learn more about ACS data releases.
- Boundaries come from the US Census TIGER geodatabases, specifically, the National Sub-State Geography Database (named tlgdb_(year)_a_us_substategeo.gdb). Boundaries are updated at the same time as the data updates (annually), and the boundary vintage appropriately matches the data vintage as specified by the Census. These are Census boundaries with water and/or coastlines erased for cartographic and mapping purposes. For census tracts, the water cutouts are derived from a subset of the 2020 Areal Hydrography boundaries offered by TIGER. Water bodies and rivers which are 50 million square meters or larger (mid to large sized water bodies) are erased from the tract level boundaries, as well as additional important features. For state and county boundaries, the water and coastlines are derived from the coastlines of the 2023 500k TIGER Cartographic Boundary Shapefiles. These are erased to more accurately portray the coastlines and Great Lakes. The original AWATER and ALAND fields are still available as attributes within the data table (units are square meters).
- The States layer contains 52 records - all US states, Washington D.C., and Puerto Rico
- Census tracts with no population that occur in areas of water, such as oceans, are removed from this data service (Census Tracts beginning with 99).
- Percentages and derived counts, and associated margins of error, are calculated values (that can be identified by the "_calc_" stub in the field name), and abide by the specifications defined by the American Community Survey.
- Field alias names were created based on the Table Shells file available from the American Community Survey Summary File Documentation page.
- Negative values (e.g., -4444...) have been set to null, with the exception of -5555... which has been set to zero. These negative values exist in the raw API data to indicate the following situations:
- The margin of error column indicates that either no sample observations or too few sample observations were available to compute a standard error and thus the margin of error. A statistical test is not appropriate.
- Either no sample observations or too few sample observations were available to compute an estimate, or a ratio of medians cannot be calculated because one or both of the median estimates falls in the lowest interval or upper interval of an open-ended distribution.
- The median falls in the lowest interval of an open-ended distribution, or in the upper interval of an open-ended distribution. A statistical test is not appropriate.
- The estimate is controlled. A statistical test for sampling variability is not appropriate.
- The data for this geographic area cannot be displayed because the number of sample cases is too small.
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Applicable: 2d
Data updated: Dec 19, 2024, 6:35 AM
Schema updated: Dec 19, 2024, 7:33 PM
Size: 1,420.352 MB
ID: 4a7ee18ac4f7414ca61b8598f3ea2ccd
Image Count: 0
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ACS, Census, demographics, people, states, counties, tracts, Rent, Housing, Units, Vacancy, Rate, Homeownership, Tenure, Demographics, Policy, American Community Survey, Census Bureau, home value, current year, housing, recent
Credits (Attribution)
No acknowledgements.U.S. Census Bureau's American Community Survey (ACS) 2019-2023 5-year estimates, Table(s) B25002, B25003, B25058, B25077, B25057, B25059, B25076, B25078
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