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Service Description: The primary purpose of census tracts is to provide a stable set of geographic units for the presentation of census data and comparison back to previous decennial censuses. Census tracts generally have a population size between 1,200 and 8,000 people, with an optimum size of 4,000 people. When first delineated, census tracts were designed to be homogeneous with respect to population characteristics, economic status, and living conditions. Census tract boundaries generally follow visible and identifiable features. State and county boundaries always are census tract boundaries in the standard census geographic hierarchy. In a few rare instances, a census tract may consist of noncontiguous areas. ZCTAs are statistical geographic areas produced by the Census Bureau by aggregating census blocks to create generalized areas closely resembling the U.S. Postal Service's postal zip codes. The data collected on the short form survey are general demographic characteristics such as age, race, ethnicity, household relationship, housing vacancy and tenure (owner/renter).

All Layers and Tables

Has Versioned Data: false

MaxRecordCount: 1900

Supported Query Formats: JSON

Supports Query Data Elements: true

Layers:

• Census Tracts (0)
• ZIP Code Tabulation Areas - ZCTAs (1)

Description:

Copyright Text: MD iMAP, MDP, U.S. Census

Spatial Reference: 102100  (3857)


Initial Extent:

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Spatial Reference: 102100  (3857)

Full Extent:

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Spatial Reference: 102100  (3857)

Units: esriMeters

Document Info:

Title: Maryland Census Data
Author:
Comments: The primary purpose of census tracts is to provide a stable set of geographic units for the presentation of census data and comparison back to previous decennial censuses. Census tracts generally have a population size between 1,200 and 8,000 people, with an optimum size of 4,000 people. When first delineated, census tracts were designed to be homogeneous with respect to population characteristics, economic status, and living conditions. Census tract boundaries generally follow visible and identifiable features. State and county boundaries always are census tract boundaries in the standard census geographic hierarchy. In a few rare instances, a census tract may consist of noncontiguous areas. ZCTAs are statistical geographic areas produced by the Census Bureau by aggregating census blocks to create generalized areas closely resembling the U.S. Postal Service's postal zip codes. The data collected on the short form survey are general demographic characteristics such as age, race, ethnicity, household relationship, housing vacancy and tenure (owner/renter).
Subject: Map service of Maryland 2010 Census Tracts and ZCTAs with decennial demographic data.
Category:
Keywords: MDP,Maryland Department of Planning,Vector,Dynamic,Maryland,MD,Demographics,Census,Census Tracts,2010,Decennial,ZIP Code Tabulation Areas,ZCTA,WMS,WFS,MD iMAP,KML
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Supports Dynamic Layers: false

Child Resources:   Info   Query Data Elements   Relationships

Supported Operations:   Query   QueryDomains   Query Contingent Values   Create Replica