Maryland State Data Center Twitter FeedZip Code Boundary Area Files - MdProperty View Based
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Note to the users:
In 1993, the Maryland Department of Planning and the Maryland State Highway Administration entered into a Data Base Usage Agreement with Bell Atlantic and Data Chromatics, Inc. to develop an enhanced street address map for Maryland. Zip Code boundary area files were one of the products derived from this partnership. The resulting boundary area files were intended to improve the cartographic quality and accuracy of the zip code boundary area files derived from the U.S. Census Bureau's post 1990 Census TIGER\Line Files (based on the Census Bureau's zip code tabulation areas, ZCTAs). Subsequent iterative improvements to the Zip Code boundary area files have been made using premise address information associated with mapped parcel records as provided in the Maryland Department of Planning's MdProperty View GIS tax map and parcel record DVD product. The resulting files are meant to serve as a "good approximation" of zip codes as polygons (which in reality they are not) but are not official Zip Code maps and are not meant to be a substitute for any products offered by the U.S. Postal Service, the official source for zip code information. While there are no restrictions on their use we do recommend that they are best used with MdProperty View and that MDP makes no guarantee or warranty regarding the files.
Census 2010 Boundary Maps
- Census Tract :
- Block Group Maps with Road
- Census Designated Places and Census Incorporated Places Maps with Street Overlays
- Minor Civil Divisions (MCD) Maps with No Street Overlays
- Zip Code Tabulation Areas (ZCTAs) Maps
- Download Tiger Shape Files by Geographic Level :
Maryland | County | Census Incorporated Place | Census Designated Place | Census Tract | Block Group | Block | Zip Code Tabulation Area (ZCTAs)
Note: These files are land area only and do not include water area. if you want the full tiger files including water blocks, download them from Census Bureau web site. The projected coordinate system is NAD83_StatPlane_Maryland_FIP_1900 meters.
Historical Census Maps
Census 2000 Boundary Maps
Census 2000 Thematic Maps
Census 1990 Boundary Maps in PDF format
On-line Mapping
Smart Growth Priority Funding Areas Mapping
Address Lookup - Redistricting and Statistical Maps and Reports
Address Lookup: Dynamic Maps & Census Reports
The Maryland Department of Planning has developed a new Census 2000 Address Look-Up application. The application generates a five- page socioeconomic Census 2000 profile same as the prior application. The reports are now formatted to fit on one page. New tools are now available for selecting the area(s) of interest. In addition to selecting an area by address, the user can now select more than one area at a time by drawing a rectangle or a radius on the map or by pointing and clicking on an area of the map.
Instructions for getting started are available as part of the Help instructions.
| Start Application | Instructions | Feedback |
Congressional and Legislative Districts
Following each decennial Census of the United States, Maryland, like all states, must draw new Congressional districts
(U.S. Constitution Article I, Section 2) and State Legislative districts (Maryland Constitution Article III, Section 5)
based on the principal of one-person one-vote.
