Online Services

Online Services

Welcome to the GIS Service Center

Web-based Map Services

Order GIS Data and Maps

GIS CDs and Aerial Photography

GIS Data is available on two CDs. Included on the CDs are jurisdictional boundaries, streets centerlines, parcel data, etc. Historical aerial photography from 1937 to 2010 is also available for upload to a hard drive by our Records Center staff. Find more information, including ordering details, about our GIS Data CDs and Aerial Photography.

Standard Maps

St. Louis County's GIS Service Center maintains a large variety of commonly requested maps.  For a list of available maps and ordering info, see our Map Order Form.

Custom Maps and Data

Not finding what you need in our standard maps? Learn about our custom mapping services.

Download Maps (8.5"x11")

Check out our library of small-format countywide thematic maps available for free download.

Demographic and Economic Data

St. Louis County Fact Book

St. Louis County, with a 2010 population of 998,954, is the largest county in Missouri and has the highest per capita income in Missouri ($54,343 in 2008, from the Bureau of Economic Analysis). St. Louis County is the heart of the St. Louis region with a strong and diversified economy and a highly skilled workforce. For more information, see the 2007-2012 County Fact Book .

2010 Census Information

On February 24, 2011 the U S Census Bureau released population counts from the 2010 Census that confirm the County has seen a 1.7% decrease in population from 1,016,315 in 2000 to 998,954 in 2010. The following maps provide a look at the change in population throughout the county between 2000 and 2010.

For more releases, see the What's New Archives.


GIS Service Center Mission

To work in partnership with public and private agencies to provide accurate, consistent, accessible, affordable and comprehensive data and GIS services.

Contact Us

St. Louis County GIS Service Center
Phone: 314.615.4GIS (4447)
Hours: Mon-Fri 8am-5pm


Additional Resources

St. Louis County Property Data Search
Polling Place/Jurisdiction Lookup
City of St. Louis Property Search
City of St. Louis Interactive Maps
St. Louis GIS Users Group
E-W Gateway Regional Data Center
Missouri Spatial Data Information Service
Illinois Natural Resources Geospatial Data Clearinghouse
USGS National Map Viewer
FEMA Online Map Service Center
ArcGIS Online

Demographic Data

St. Louis County Census Summary
St. Louis County Data Summary
St. Louis County Comparison
Municipal Census Data Look-Up
Missouri Census Data Center
MCDC Data Extract Utility
 MCDC ACS Data Menu
MCDC Trend Data
MCDC Basic Demographic Profiles
MODOT Census Transportation Data
Missouri Office of Social and Economic Data Analysis
Missouri School District Data
US Census Bureau
American FactFinder
American Community Survey
Census Bureau Building Permit Data
DataPlace Housing and Demographic Data
US Dept. of Justice Crime Data

Economic Data

Bureau of Labor Statistics
Bureau of Economic Analysis Local Data
County Business Patterns
Consumer Price Index
Detailed Payroll Employment Data
FDIC Missouri Profile
Federal Reserve Bank - Beige Book
Housing Price Index - Metro Area and Nation
Local Unemployment Rates
Missouri Local Employment Dynamics
Missouri Economic Research and Information Center
Municipal Sales Tax Rates
US Treasury Dept. Economic Data Reports

Legislative Links

St. Louis County Council
Missouri General Assembly
United States Congress