Dorchester, Texas
Dorchester is a small city in Grayson County, in the North Texas prairie country roughly 23 miles north of McKinney. It sits in the largely rural, agricultural belt of the Blackland Prairie north of the Dallas–Fort Worth metropolitan area. The surrounding landscape is one of open farmland and small communities.
Place essentials
Official Census snapshot- Census place type
- City
- July 2025 population
- 98
- Change from 2020 base
- +10.1%
- Land area
- 1.5 sq. mi.
- County footprint
- Grayson County
Place type, county footprint, and land area use the Census Bureau's January 1, 2025 geography. Population uses Vintage 2025 estimates through July 1, 2025; change compares that estimate with the April 1, 2020 estimates base. Geography file | Population file
Property here runs through the appraisal district and tax office for Grayson County. The homestead exemption, appraisal cap, protests, and any MUD, PID, or special districts all sit at the parcel level.
Official routes
Use the office for the parcel address; a mailing city is not always the governing city.
County context
What to know around Dorchester
County lines carry much of the property, land, water, and outdoors context around Dorchester.
County History
Grayson County Was Created in 1846 from Fannin County
Grayson County was established by the Texas legislature in 1846 and named for Peter W. Grayson, an attorney general of the Republic of Texas.
Property Tax Basics
Two Different Offices Handle Your Property Taxes
Grayson County splits property tax duties between two offices, and knowing which one to call saves you time.
Economic History
The Railroad Arrived in 1872 and Transformed Grayson County
When two railroads reached Grayson County in 1872, the region's population and economy expanded rapidly over the next decade.
Nearby
Places near Dorchester
Nearby counties
Local notes for nearby counties
Next steps for Dorchester
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