Geography 291: Geospatial Analysis with Desktop GIS – Page 45 – Module 1: 8/20/2025 to 10/7/2025, OWU Environment & Sustainability

Recorded Document – This dataset shows the location of assorted Delaware County documents and records such as surveys, annexations, centerline surveys, vacations, and subdivisions. The feature layer displays the location of said documents as a point shapefile layer.

School Districts – All the school districts (and the boundaries that make up them) within Delaware county are contained in this dataset.

Map Sheet – This is a dataset that contains all the map sheets within Delaware County. Map sheets are a map or chart in a series of maps.

Farm Lot – This contains all the farm lots in Delaware County recognized by the US Military and the Virginia Military Survey Districts.

Township – This data layer shows the 19 different townships making up Delaware County.

Street Centerline – The location of the centerlines of all public and private roads are depicted by this layer (line shapefile). The layer was created from data yielding from field observation and addresses from building permits.

Annexation – This dataset shows Delaware Conty’s conforming boundaries and annexations from 1853 to the present and is updated monthly.

Condo – This dataset contains information on as well as polygon shapefiles to represent all of the condominiums residing in Delaware County, which is recorded by the Delaware County’s Recorder’s Office.

Subdivision – This dataset contains all of the subdivisions and condos that have been recorded with the Delaware County Recorder’s office.

Survey – This shapefile consists of points representing all surveys of land within Delaware County. Older surveys may not be included.

Dedicated ROW – This dataset displays all the designated Right-of-Ways within Delaware County through parcel data.

Tax District – Published by the Delaware County Suitor’s real estate office, this dataset contains all of the recognized taxa districts in Delaware County.

GPS – This dataset shows data points corresponding to all of the GPS monuments established in 1991 and 1997.

Original Township – This dataset shows all the original Delaware’s townships and their boundaries before tax district changes altered the boundaries.

Hydrology – This dataset shows all the major waterways within Delaware County and is updated monthly.

Precinct – This data layer consists of the voting precincts in Delaware County as defined by the Delaware County Board of Elections.

Parcel – This dataset shows all the parcel lines within Delaware County through the use of polygons.

PLSS – This data depicts all the Public Land Survey System polygons within Delaware County.

Address Point – This data layer contains all the certified address points within Delaware County. Data of homes, schools, and businesses are all recorded.

Building Outline – This dataset shows all the building outlines in Delaware, Ohio. The building outline layer is different from the address point data set as multiple distinguished buildings may share the same address data.

Delaware County Contours – Data expressed as two-foot contours for Delaware county, which shows changes in topography and elevation.

DeMaggio- Data Inventory

Posted onFebruary 28, 2023AuthorjrdemaggioLeave a comment

Zip Code: This data set contains all of the zip codes inside of Delaware County. In 2003, Delaware County zip codes were carefully evaluated and cleaned-up based on cross-referencing between the Census Bureau’s zip code file from the 2000 census, the United States Postal Service website, and tax mailing addresses from the treasurer’s office. The zip code layer was then created in 2005 by dissolving all Delaware County parcels by their property addresses.

Recorded Document: This data set has specific points representing recorded documents in the Delaware County Recorder’s Plat Books, Cabinet/Slides, and Instruments Records which are not represented by active subdivision plats. They are documents such as; vacations, subdivisions, centerline surveys, surveys, annexations, and miscellaneous documents within Delaware County, Ohio.

School Districts: This data set consists of all School Districts within Delaware County, Ohio. The data was originally created via the Delaware County Auditor’s parcel records of the school districts. This dataset is updated on an as-needed basis and is published monthly.

Map Sheet: This dataset consists of all Delaware County, Ohio map sheets.

Farm Lot: This data set consists of all the farm lots in both the US Military and the Virginia Military Survey Districts of Delaware County. The dataset is maintained on an as-needed basis where new surveys have been recorded.

Township: This data set consists of 19 different townships that make up Delaware County, Ohio. This dataset is updated on an as-needed basis and is published monthly.

Street Centerline: The State of Ohio Location Based Response System (LBRS) Street_Centerlines depict the center of pavement of public and private roads within Delaware County. It is intended to support appraisal mapping, 911 emergency response, accident reporting, geocoding, disaster management, and roadway inventory that conforms to Ohio Department of Transportation Roadway Inventory Standards.

Annexation: This data set contains Delaware County’s annexations and conforming boundaries from 1853 to the present. This dataset is updated on an as-needed basis once an annexation has been recorded with the Delaware County Recorders office. It is published monthly.

Condo: This data set consists of all condominium polygons within Delaware County, Ohio that have been recorded with the Delaware County Recorders Office.

Subdivision: This data set consists of all subdivisions and condos recorded in the Delaware County Recorder’s office. This dataset is updated on a daily basis and is published monthly.This data set consists of all subdivisions and condos recorded in the Delaware County Recorder’s office.

Survey: Survey points is a shape file of a point coverage that represents surveys of land within Delaware County, Ohio. These surveys are found in documents in the Recorder’s office and the Map Department.

Dedicated ROW: This data set consists of all lines that are designated Right-of-Way within Delaware County, Ohio. This dataset is updated on a daily basis and is published monthly.

Tax District: This data set consists of all tax districts within Delaware County, Ohio. The data is defined by the Delaware County Auditor’s Real Estate Office. Data is dissolved on the Tax District code.

GPS: This dataset identifies all GPS monuments that were established in 1991 and 1997. This dataset updated on an as-needed basis, and is published monthly.

Original Township: This dataset consists of the original boundaries of the townships in Delaware County, Ohio before tax district changes affected their shapes.

Hydrology: This dataset consists of all major waterways within Delaware County, Ohio. This data was enhanced in 2018 with LIDAR based data. This dataset is updated on an as-needed basis and is published monthly.

Precinct: This dataset consists of Voting Precincts, and is maintained by the Delaware County Auditor’s GIS Office under the direction of the Delaware County Board of Elections.

Parcel: This dataset consists of polygons that represent all cadastral parcel lines. Information or attributes regarding individual parcel records is maintained in the Auditor’s CAMA (Computer Aided Mass Appraisal) system.

PLSS: This data set consists of all the Public Land Survey System (PLSS) polygons in both the US Military and the Virginia Military Survey Districts of Delaware County. This data set was created to facilitate in identifying all of the PLSS and their boundaries in both US Military and Virginia Military Survey Districts of Delaware County.

Address Point: The Address_Points data set is a spatially accurate representation of all certified addresses within Delaware County Ohio. The Address_Points layer is intended to support appraisal mapping, 911 Emergency Response, accident reporting, geocoding, and disaster management.