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Data Sets

Food Stamp Program Map Machine: Instructions

Data Layers

There are 11 county-level data layers that pertain to food stamp participation, cash benefits, and poverty, each of which can be selected to be the active layer on the map. In addition, county and State boundaries are automatically drawn on the map.

Basic Data Data Source
1. Population, 2000 U.S. Census Bureau
2. Persons in Poverty, 1999 U.S. Census Bureau
3. FSP Participants, 1989 U.S. Census Bureau
4. FSP Participants, 1993 U.S. Census Bureau
5. FSP Participants, 1997 U.S. Census Bureau
6. FSP Participants, 1999 U.S. Census Bureau
7. FSP Benefits, 1999 Bureau of Economic Analysis
8. TANF Benefits, 2000 Bureau of Economic Analysis
9. Metro/Nonmetro Counties U.S. Census Bureau
10. FSP Benefits, 2000 Bureau of Economic Analysis
11. FSP Benefits, 2001 Bureau of Economic Analysis
12. FSP Benefits, 2002 Bureau of Economic Analysis
13. FSP Participants, 2000 U.S. Census Bureau
14. FSP Participants, 2001 U.S. Census Bureau
15. FSP Participants, 2002 U.S. Census Bureau

 

Computed Data Formula (Using Line Numbers in Basic Data Table)
Per Capita Poverty, 1999 (2)/(1)
Per Capita FSP Participation, 1999 (6)/(1)
FSP Participation Per Poor Person, 1999 (6)/(2)
FSP Benefits Per Poor Person, 1999 (7)/(2)
TANF Benefits Per Poor Person, 2000 (8)/(2)
Per Capita FSP Benefits, 1999 (7)/(1)
Per Capita TANF Benefits, 2000 (8)/(1)
Percent Change in FS Recipients, 1989 - 1993 100*[(3)-(4)]/(3)
Percent Change in FS Recipients, 1993 - 1997 100*[(4)-(5)]/(4)
Average Benefit Per FSP Recipient, 1999 (7)/(6)

Additionally, two reference layers draw at the regional level and below (1:20,000,000 to 1:1 scale):

  • Interstate highways
  • County names

All the data layers are in the Albers Equal Area map projection.

Map Machine Tools

Tool Function How To Use
Zoom in button
Zoom In

1. Click on the radio button to select this tool.
2. Click on the map in the center of interest.
3. The map will re-center itself and zoom in.

Zoom out button
Zoom Out
1. Click on the radio button to select this tool.
2. Click on the map in the center of interest.
3. The map will re-center itself and zoom out.
Pan button
Pan
1. Click on the radio button to select this tool.
2. Click on the map in the center of interest.
3. The map will re-center itself.
Indentify button
Identify

1. Click on the radio button to select this tool.
2. Click on the feature of interest on the map.
3. The map will highlight the desired feature and provide information in a popup window on the selected area from the map database.

Full extent link
Zoom to the full extent of the 48 contiguous States.
Click on this item to zoom to the full extent of the map. In order to zoom to the extent of Alaska or Hawaii use the Zoom to State tool.
Include button
Add a Reference Layer
1. Check the desired reference layer(s).
2. Click on the Go button button.
3. The map will draw the desired reference layer(s) at the regional level and below (1:20,000,000 to 1:1).
Zoom to area button
Zoom to a Selected State
1. Select the desired State.
2. Click on the Go button button.
3. The map will zoom to the selected State and provide all the attribute data about the food stamp data layers associated with the State in a pop-up window.
National Statistics button National Statistics Click on this item to get all the attribute data about the food stamp data layers at the U.S.-level in a pop-up window.

How to Save Map Images

"Right-click" on the map image to save it to the your hard drive in order to use the map in other programs. In order to save the legend, highlight the text with the mouse and copy and paste it to another program, then save each individual image from the legend onto your hard drive.

 

For more information, contact: Mark Prell

Web administration: webadmin@ers.usda.gov

Updated date: November 4, 2002