What is the largest city in Grayson County, TX?

Sherman is the largest city or town in Grayson County, with about 46,397 residents.

How many ZIP codes are in Grayson County?

Grayson County includes 16 ZIP Code Tabulation Areas, including 75020, 75021, 75058, 75076, 75090.

What is the population of Grayson County, TX?

About 143,337 people live in Grayson County, based on American Community Survey 5-year estimates.

What counties border Grayson County?

Grayson County borders Collin County, Denton County, Bryan County, OK, Cooke County, Fannin County, Marshall County, OK, Love County, OK.

Grayson County, TX: Cities, ZIP Codes & Local Data

Population

143,337

Land area

933sq mi

People per sq mi

154

ZIP codes

16

Grayson County at a glance

Grayson County is 33% denser than Texas as a whole.
By population, it ranks 35th among 254 counties in Texas.
The median household income is $72,182, 8% below the Texas median of $78,476.
A typical owner-occupied home is valued at $248,400 (12% below Texas) and median rent is $1,310 a month.
Its largest cities are Sherman (46,397), Denison (25,778) and Van Alstyne (5,952).

Local data for Grayson County, TX

Counts from official public data

Housing and community stats

Grayson County, TX, American Community Survey 2020-2024

Full profile

Median household income

$72,182

Poverty rate

11.2%

Median home value

$248,400

Prices +1.1% in a year

Median rent

$1,310/mo

Homeownership

66.8%

Bachelor's or higher

23.9%

Median age

39.0

Average commute

25.8 min

Largest reported origins and ancestries: Mexican Americans (19,682), German Americans (17,780), Irish Americans (15,838).

Home values and rents Income, education and commute

Economy and federal money

Jobs, income, federal spending and pandemic loans

Details

Unemployment rate

4.4%

Aug 2026, +0.1 pts in a year

Average annual pay

$60,725

52,998 jobs, 2025

Income per person

$57,952

BEA, 2024

Federal spending

$955M

FY 2026, $7,046 per person

PPP loans

$195M

3,143 loans, 25,084 jobs reported

Campaign donations

$567K

Itemized, 2026 cycle

Economy Federal spending PPP loans

How people get to work

Grayson County, TX, workers 16 and older. American Community Survey 5-year estimates

Drove alone72.5%
Carpooled11.6%
Public transit0.4%
Walked1.5%
Bicycle0.1%
Taxi, ride-hailing, motorcycle or other1.3%
Worked from home12.6%

Average one-way commute: 25.8 minutes for people who do not work from home.

Environment and hazard risk

Grayson County, TX, from FEMA, NOAA and EPA

Full report

Natural hazard risk

Relatively Low

Top: hail

Storm events since 1996

1,010

Most often hail

Flood insurance policies

281

0.5% of homes, county

July high / Jan low

93° / 34°F

44.3 inches of rain a year

Hazards, floods and storm history Check a flood zone 8 historic places

Health statistics

Share of adults in Grayson County, TX, CDC PLACES estimates

All 40 measures

Obesity

33.9%

U.S. 33.3% +0.6 pts

Diabetes

12.5%

U.S. 12.1% about the same

Smoking

14.4%

U.S. 12.8% +1.6 pts

Uninsured (18-64)

13.7%

U.S. 11.1% +2.6 pts

Cities, towns and ZIP codes in Grayson County

Population shown

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Frequently asked questions

What is the largest city in Grayson County, TX?: Sherman is the largest city or town in Grayson County, with about 46,397 residents.
How many ZIP codes are in Grayson County?: Grayson County includes 16 ZIP Code Tabulation Areas, including 75020, 75021, 75058, 75076, 75090.
What is the population of Grayson County, TX?: About 143,337 people live in Grayson County, based on American Community Survey 5-year estimates.
What counties border Grayson County?: Grayson County borders Collin County, Denton County, Bryan County, OK, Cooke County, Fannin County, Marshall County, OK, Love County, OK.