1. Indiana Prevention Resource Center GIS in Prevention County Profiles Series, No. 4
Dekalb County, Indiana
Barbara Seitz de Martinez, PhD, MLS, CPP, Project Director
The Indiana Prevention Resource Center at Indiana University is funded, in part, by a contract with the Indiana Family and Social Services Administration, Division of Mental Health and Addiction, financially supported through HHS/Substance Abuse Mental Health Services Administration, Center for Substance Abuse Prevention, Substance Abuse Prevention and Treatment Block Grant. The IPRC is operated by the Department of Applied Health Science and The School of Health, Physical Education and Recreation.

2. GIS in Prevention County Profile Series, No. 4
Dekalb County, Indiana
Barbara Seitz de Martinez, PhD, MLS, CPP
Project Director
Project Staff:
Ritika Bhawal, MPH
Ryan Chopra, MPH
Kyoungsun Heo, MPA
Tuba M. Pervin Altay, MPH
Indiana Prevention Resource Center
Opinions expressed herein are those of the authors, and not necessarily those of the Trustees of Indiana University or the Division of Mental Health and Addiction. Indiana University accepts full Responsibility for the content of this publication. ©2005 The Trustees of Indiana University. Permission is extended to reproduce this County Profile for non-profit educational purposes. All other rights reserved.

3. Dekalb County Map
The maps and tables in this publication were prepared using PCensus
for MapInfo and MapInfo Professional.

4. 3. Geographic and Historical Notes
DeKalb County is located in east central Indiana. It is bordered by Steuben County to the north, La Grange to the northwest, Noble to the west, Allen to the south and the State of Ohio to the east. U.S. Highway 6, Interstate Highway 69, and State Highway 8 cross the county. Elevation is 850 to 1,000 feet. The landscape features oak, cottonwood, elm, ash and hickory trees. The topography is mainly nearly level, except for slightly sloping areas in the northwest and the border areas on the north and west. All of this pertains to the Ohio Till Plain land resource area.
De Kalb County is in Eastern Time Zone and observes DST. Average daily temperatures are 15٥/31٥ in January and 60٥/85٥ in July. Annual precipitation is 35 and snowfall inches.
Typically the first freeze of the season occurs October in all but the southeastern tip where it is between October The last freeze varies from around May The growing season lasts about days.
Agriculture is diversified. The main crops are corn for grain, oats, soybeans, and winter wheat. About two-thirds of the land is farmland and about half of that is in commercial crops. Fruits include apples and strawberries. Livestock includes cattle/calves, milk cows, and hogs/pigs. Popcorn is a special crop. Main natural resources include construction sand and gravel, and over 27,000 acres of commercial forestland. Water resources include Cedar, Dunton, Indian, Story, and Terry Lakes, and Grey Stone Pond, and St. Joseph’s River.
Communities include the cities of Auburn (the county seat), Butler and Garrett. Towns include Altona, Ashley (which extends into Steuben county), Corunna, Hamilton (which extends into Steuben county), St. Joe and Waterloo.
DeKalb County is not a tobacco producing county.
Sources: Map from PCensus for MapInfo; Geographic Notes from Indiana Facts: Flying the Colors by John Clements, 1995.

5. De Kalb County
The maps and tables in this publication were prepared using PCensus
7.06 for MapInfo and MapInfo Professional 7.0.

6. Don’t Know Your Block Group Number?
3. De Kalb County Block Group Maps
Don’t Know Your Block Group Number?
You can find it easily at the
American Factfinder Web Site (

7. DeKalb County
Block Groups