RI Economic Development Corporation
Layer List
Statewide Internet Map Server
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Also available in the Help Section:: Municipal Parcel Status | Site Use Tutorial
Data Layers
(alphabetically)
Description
% Adults with Bachelor's Deg. Percentage of adults age 25 and over who have earned a Bachelor's Degree or higher; by US Census 2000 Block Groups
Aerial Photos RIGIS - 2002 orthorectified color aerial photography with 1-ft pixel resolution for greater Providence portion of state; 2003-04 color with 2-ft resolution for remainder of state
% Age 65 and Over Percentage of the total population that is age 65 or over; by US Census 2000 Block Groups
Airports & Rail RIGIS file (airpors.shp) metadata and RIGIS file (rail.shp) metadata
% Asian or Pac. Islander Percentage of total population that is (non-Hispanic) Asian, Pacific Islander, or Native Hawaiian; by US Census 2000 Block Groups
% Black, African American Percentage of total population that is (non-Hispanic) Black, African American; by US Census 2000 Block Groups
Colleges Institutions of higher eduction within approximately 50 miles of Providence; markers placed using orthophotos in RI and by streets in CT and MA
Conserved Land DEM 2006 accounting of all permanently conserved land held by DEM metadata or other entities metadata such as municipalities and land trusts
Electric Districts RIGIS file (elecdist.shp) metadata
% Families Below Poverty Percentage of families that have 1999 income below the poverty level; by US Census 2000 Block Groups
Flood Zones FEMA flood zones - RIGIS file (floodzon.shp) metadata
H2O Mgmt. Areas Community Wellhead Protection Area - RIGIS file (cwhpa05.shp) metadata
Non-Community Wellhead Protection Area - RIGIS file (ncwhpa05.shp) metadata
Groundwater Reservoirs - RIGIS file (gwatresv.shp) metadata
Groundwater Recharge Areas - RIGIS file (gwrechrg05.shp) metadata
Surface Water Protection Areas - RIGIS file (swatpa.shp) metadata
Hazardous Materials 1) CERCLIS Superfund Sites- RIGIS file (cerclis.shp) metadata
2) Permitted Sanitary Waste Sites - RIGIS file (ripdes.shp) metadata
3) Leaking Underground Storage Tanks - RIGIS file (lusts.shp) metadata
% HH without Vehicle Percentage of households that do not have own vehicle available; by US Census 2000 Block Groups
% Hispanic or Latino Percentage of the total population that is Hispanic or Latino, of any race; by US Census 2000 Block Groups
Historic Districts Districts listed in the National Historic Register - RIGIS file (histdist.shp) metadata
% Households with Children Percentage of total households that have one or more children under age 18; by US Census 2000 Block Groups
Income Per Acre Aggregate household income divided by total GIS-derived acres (inland water bodies included) by US Census 2000 Block Groups
Individual Businesses InfoUSA, August 2004 XY coordinates; TPP edits - business addresses parcel-matched in Providence, matched to e-911 streets elsewhere, and left in XY location for remainder; only employers with 5+ employees are visible on map
EDC Target Cluster
Lakes & Rivers RIGIS file (lakes5k.shp) metadata
Land Cover 1995 RIGIS file (rilu95c.shp) metadata; TPP edits - consolidation of categories
Land Use by Parcel Consolidated tax classification categories based on the state 2-digit tax classification; coded by individual parcel for participating municipalities (also see Parcels layer)
MA & CT Places Selected US Census 2000 cities and towns in MA and CT; projected to RI State Plane feet
Major Routes Interstates, US highways, and State routes; layer obtained from RIDOT, based on E-911 roads; ProvPlan edits - street segments dissolved into single line per route name for labeling purposes (also see Streets)
Median Household Income The 50th percentile household income - half of all households have a lower incomes and half have a higher income; by US Census 2000 Block Groups
Medical Facilities RIGIS file (medfacs.shp) metadata
Ocean & Bay Atlantic Ocean and Narragansett Bay; approximate shoreline derived from subtraction of land mass (see RI-MA-CT layer)
Open Space

1) Audubon Society - RIGIS file (audubon.shp) metadata
2) DEM & Other State Agencies - RIGIS file (dem_os.shp) metadata, file used is update of cited RIGIS file received from DEM in Jan 2005
3) Protected - RIGIS file (protopen.shp) metadata
4) Protected Land Trust - RIGIS file (tncland.shp) metadata
5) Recreation/Conservation - RIGIS file (scorp90.shp) metadata

% Owners 'Overspending' Percentage of owner-occupants spending 30% or more of their household income on gross mortgage costs; by US Census 2000 Block Groups
Parcels Muncipal parcels of the participating municipalities; the common divisions of land into separate properties; ProvPlan edits - individual city and town parcel layers joined into a single layer, some region poygons created for multi-part Plat-Lots; standardizing of municipal assessment data linked to pacel layer. ***THERE IS NO GUARANTEE, BY RIEDC OR INDIVIDUAL MUNICIPALITIES, OF THE ACCURACY OR COMPLETENESS OF PARCEL REPRESENTATIONS AND ASSESSORS' DATA FURNISHED WITHIN THIS APPLICATION.*** See also Municipal Parcel Status page.
People Per Acre Total population divided by GIS-derived area in acres; a measure of population density; by US Census 2000 Block Groups
Plat-Lot Labels The Plat-Lot identifer used to identify individual parcels of land (also see Parcels layer)
% Pop. Non-English at Home Percentage of population age 5 and over that usually speaks a language other than English at home; by US Census 2000 Block Groups
Public Safety Facilities 1) Police Departments - RIGIS file (police.shp) metadata
2) Fire Departments - RIGIS file (firestations.shp) metadata
3) Emergency Medical Companies - RIGIS file (emeds.shp) metadata and metadata
Quarter-Mile Sums

InfoUSA businesses and employment counts are aggregated within the square cells (1/4-mi^2) of a statewide grid; data can be displayed for all businesses or for businesses within a selected EDC Target Cluster (also see Individual Businesses layer)

% Renters 'Overspending' Percentage of renter-occupants spending 30% or more of their household income on gross mortgage costs; by US Census 2000 Block Groups
RI Cities & Towns City and town political boundaries - RIGIS file (ritown5k.shp) metadata; ProvPlan edits - minor polygon edits such as subtracting saltponds in South County; consider adjusting boundaries according to Parcels or e911 roads
RI Enterprise Zone Economic development enterprise zones as delineated by US Census 1990 Tracts, as defined by the RI Enterprise Zone Council - RIGIS file (edzones.shp) metadata
RI House Districts 02 2002 RI Legislature, House of Representatives districts - RIGIS file (rirep02.shp) metadata
RI-MA-CT Base shape for the 3 state area - rhode island is based upon RIGIS 1:5000 municipal layer (see RI Cities & Towns) based on US Census 2000 geography for MA & CT, projected to RI State Plane feet
RI Municipalities

1) Town Halls - RIGIS file (townhalls.shp) metadata
2) Boundaries - RIGIS file (ritown5k.shp) metadata

RIPTA Rhode Island Public Transportation Authority
1) Bus Stop Vicinity - based on Sept 2005 stops
2) Park & Ride Lots - bus only - based on Sept 2005 routes
3) Flex Zones (potentially out of date)
RI Senate Districts 04 2004 RI Legislature, Senate districts - RIGIS file (risen04a.shp) metadata
% Same Owner >10 Years Percentage of owner-occupant households with the same owner for over 10 years; by US Census 2000 Block Groups
Schools K-12 RIGIS file (schools.shp) metadata; ProvPlan edits - removed schools with preschool only as well as institutions of higher learning
Sewered Areas Rough estimate of areas covered by public sewer systems - from DEM in August 2005
% Single Parent Percentage of households with own children that are single parent households; by US Census 2000 Block Groups
Soil Constraints RIGIS file (ssurgo.shp) metadata ; supplementary table USDA/NRCS - metadata
Soil Permeability RIGIS file (ssurgo.shp) metadata; supplementary table USDA/NRCS - metadata
State Facilities Primary State of Rhode Island facilities as documented in 2001 metadata
Streams RIGIS file (stream5k.shp) metadata
Street Labels RIGIS file (e911rds04.shp) metadata, updated 05/06/05 (See Streets layer)
Streets Road centerlines from U.S. Census TIGER files 2005 based on RIGIS 1:5000 scale vector mapping- RIGIS file (tigerds05b.shp) metadata; ProvPlan edits - formatting and correction of street names and types; additional field for street labeling, St_newname
% Under Age 18 Percenage of total population that is under age 18; by US Census 2000 Block Groups
% Units 1939 or Older Percentage of housing units that were built before 1940; by US Census 2000 Block Groups
% Units 1990 or Newer Percentage of housing units that were built in 1990 or after; by US Census 2000 Block Groups
% Units Owner Occupied Percentage of housing units that have the property owner as the head of household; by US Census 2000 Block Groups
USB 2025 Urban Services Boundary as designated in the Statewide Planning Program's Land Use Plan 2025; this layer is for general planning purposes and is NOT suitable for legal or regulatory interpretation. metadata
Water Districts RIGIS file (watrdist.shp) metadata
Watershed Basins RIGIS file (basins.shp) metadata
Wetlands Wetlands as interpreted from 1988 aerial photography to one quarter acre polygon resolution by Cowardin 16 classification scheme - RIGIS file (s44wwt93.e00) metadata
% White (Non-Hispanic) Percentage of the total population that is (non-Hispanic) White; by US Census 2000 Block Groups
10-mile Rings from Capitol Concentric rings radiating at 10-mile intervals from the State Capitol Building in Providence; a distance reference when viewing the map at a statewide or large area scale


Please email Jim Lucht for more information.

Last Updated: March 13, 2007

Also available in the Help Section:: Municipal Parcel Status | Site Use Tutorial
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