4/1/2024 0 Comments Us population density map 2020The number of building footprints may not correspond to the number displayed as the total housing units (HU) for a particular block. For example, the building footprints displayed on the base maps are NOT based on census data and are derived from the base map provider (displayed at the bottom of the page). The base maps used in the application are for general reference only and are not tied to the Census data.Those counts can be considered accurate without aggregation. The only data that have not had noise injected are the count of total housing units (HU).The Census Bureau has recommended that the data be aggregated or combined to an area with at least a population of 250 people to gain more accurate results from the block-level data. The effect of this noise injection is most pronounced at the block level. The 2020 Census data has had noise injected-this can be thought of like random people being inserted or removed-by the Census Bureau to protect the privacy of respondents.They can also be saved to a PDF using either functionality. Changing the layout to landscape provides better quality printed maps. For higher quality maps that include a title, legend, and scale, the on-screen print button should be used. The map view currently displayed can quickly be printed by using CTRL+P.The labels for the 2020 Census data have been abbreviated to allow for better viewing.Users should zoom in until the labels are visible and then right-click and hold to activate the panning feature of the map. All labels are active by default however, the user will have to zoom in to a relatively small area before they become visible on the map.Clicking the “X” on the selection box will allow the user to remain in the selected area and pan the map easily. Once the desired area is selected, the map will zoom to a central point in the location. Using the Filter Button (funnel icon) with the query tool (magnifying glass icon) provides another option for locating areas that users have found useful. a lake or river, will need to use care to select the correct name from the list. Locations sharing a name with another type of geographic feature, e.g. ![]() Similarly, adding the word “township” will help locate townships that share names with cities locally. For example, typing in “Austin” as a search will zoom the user to Austin, Texas however, searching for “Austin, MN” will zoom to the correct location. The web application draws from a national dataset for place names, so areas having a common name will benefit from adding the state to the search. Using the search box allows the user to quickly zoom to an area of interest.
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