Denison ZIP Code List — Grayson County, TX

There are 2 unique ZIP codes in Denison, Texas. Area code: 903.

ZIP codes

119.42

sq mi land

4.96

sq mi water

903

area code

Denison, TX ZIP code map

About Denison, TX

Denison is a vibrant city located in the state of Texas, specifically within Grayson County. Known for its rich history and charming community, the city offers a blend of modern amenities and a small-town atmosphere. With a variety of parks, local events, and a welcoming atmosphere, Denison attracts both residents and visitors alike.

Location & geography

Denison is strategically situated near the Oklahoma border, approximately 70 miles north of Dallas. The city is flanked by neighboring communities including Sherman, just 12 miles to the south, Gainesville to the west at about 20 miles, and Bonham located 22 miles east. With a total land area of 119.42 square miles and 4.96 square miles of water, the region features a mix of urban development and natural landscapes.

Community & economy

The character of Denison is defined by its friendly residents and a strong sense of community pride. Key industries in the area include manufacturing, healthcare, and retail, contributing to the daily life and economy of the city. Denison also hosts various cultural events and festivals throughout the year, fostering a lively atmosphere for families and individuals.

Transportation

Denison is well-connected by major highways, including U.S. Highway 75, which runs through the city and provides easy access to adjacent areas. The nearest major airport is the North Texas Regional Airport, located approximately 20 miles to the southeast. Public transportation options within the city may be limited but can typically accommodate residents' commuting needs.

History

Denison was founded in the late 19th century and grew as a significant railroad hub, which greatly influenced its early development. The city's economy has historically revolved around industries such as cotton production, manufacturing, and trade. Notable events, including the establishment of various local attractions and the celebration of its centennial, have shaped Denison's cultural identity over the years.

Did you know?

One surprising fact about Denison is that it is home to the Historic Iron Bridge, which is one of the last remaining landmarks of its kind in Texas. Additionally, the city was the birthplace of the famous country music singer and songwriter, Bob Wills, known for his pivotal role in developing Western swing music.

ZIP codes for Denison, TX (2)

ZIP code	City	County	Map
75020	Denison	Grayson	View map
75021	Denison	Grayson	View map

Demographics & statistics

33,411

Population

41.1

Median age

$63,789

Median household income

$30,648

Per capita income

$172,000

Median home value

$907

Median monthly rent

71.1%

Home ownership

15.5%

Poverty rate

4.8%

Unemployment

10,245

Housing units

18.3%

Bachelor's or higher

Age distribution

Male Female

1,190

Under 5

1,234

995

5–9

1,032

1,109

10–14

1,151

1,125

15–19

1,167

863

20–24

896

1,674

25–34

1,737

1,804

35–44

1,872

2,229

45–54

2,313

1,049

55–59

1,088

1,155

60–64

1,198

1,740

65–74

1,804

986

75–84

1,023

480

85+

497

← Male

Female →

Age summary

Group	Count	%
Under 18	8,210	23.7%
18 and over	25,201	76.3%
65 and over	6,530	19.8%
Median age	41.1 years

Race & ethnicity

White 79.6%

Two or more races 6.5%

Black or African American 5.3%

Hispanic or Latino 4.8%

Other race 2.5%

American Indian / Alaska Native 0.7%

Asian 0.6%

Group	Count	%
White	27,941	79.6%
Two or more races	2,267	6.5%
Black or African American	1,878	5.3%
Hispanic or Latino	1,703	4.8%
Other race	867	2.5%
American Indian / Alaska Native	248	0.7%
Asian	210	0.6%

Household income

Under $10k 3.4%

$10k–$15k 5.2%

$15k–$25k 10.6%

$25k–$35k 9.9%

$35k–$50k 12.3%

$50k–$75k 17.5%

$75k–$100k 14.0%

$100k–$150k 18.2%

$150k–$200k 5.0%

$200k+ 4.1%

Range	% of households
Under $10k	3.4%
$10k–$15k	5.2%
$15k–$25k	10.6%
$25k–$35k	9.9%
$35k–$50k	12.3%
$50k–$75k	17.5%
$75k–$100k	14.0%
$100k–$150k	18.2%
$150k–$200k	5.0%
$200k+	4.1%
Median income	$63,789

Housing

Home values

Under $50k 10.4%

$50k–$100k 15.0%

$100k–$150k 18.6%

$150k–$200k 15.7%

$200k–$300k 24.6%

$300k–$500k 11.7%

$500k–$1M 3.9%

$1M+ 0.4%

Housing overview

Metric	Value
Median home value	$172,000
Median rent / month	$907
Owner occupied	71.1%
Renter occupied	29.0%
Vacant	11.7%
Single-family detached	79.7%
Large apartment buildings	1.8%
Mobile homes	7.7%
Median rooms	5.5
Avg household size (owned)	2.60

Year built

Era	%
2020 or later	1.2%
2010–2019	11.2%
2000–2009	6.9%
1990–1999	7.6%
1980–1989	15.9%
1970–1979	15.2%
1960–1969	15.7%
1950–1959	8.6%
1940–1949	8.8%
1939 or earlier	9.1%

Bedrooms

Size	% of units
No bedroom (studio)	2.0%
1 bedroom	8.2%
2 bedrooms	27.6%
3 bedrooms	51.2%
4 bedrooms	10.0%
5+ bedrooms	1.2%

Vehicles per household

Vehicles	% of households
No vehicle	4.0%
1 vehicle	33.6%
2 vehicles	39.5%
3 or more	23.1%

Heating fuel

Fuel type	%
Utility gas	37.8%
Electricity	53.1%
Propane / LP gas	6.0%
Wood	2.7%

Households & families

Household type	Count	%
Married-couple family	6,281	52.4%
Cohabiting couple	860	5.8%
Male householder, no spouse	1,942	14.5%
Female householder, no spouse	3,799	27.4%
Households with children under 18	4,209	32.5%
Households with seniors (65+)	4,649	37.0%
Average household size	2.58

Marital status

Status	Male	Female
Never married	26.7%	19.7%
Married	58.1%	51.3%
Separated	1.4%	2.9%
Widowed	2.8%	11.1%
Divorced	11.0%	15.1%

Education

Less than 9th grade 2.9%

Some HS, no diploma 7.1%

HS graduate 34.2%

Some college, no degree 26.6%

Associate's degree 10.9%

Bachelor's degree 12.6%

Graduate / professional 5.8%

Metric	%
HS diploma or higher	90.0%
Bachelor's or higher	18.3%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	368	4.0%
Kindergarten	271	4.9%
Elementary school	3,370	39.0%
High school	2,018	29.2%
College / grad school	1,446	23.0%

Employment

Industry of employment

Education & healthcare 20.3%

Retail trade 13.7%

Manufacturing 11.4%

Construction 10.9%

Arts, food & hospitality 9.6%

Professional & management 7.5%

Finance & real estate 6.7%

Other services 6.3%

Transportation & utilities 4.2%

Public administration 3.9%

Information 2.2%

Agriculture & mining 1.8%

Wholesale trade 1.6%

Occupation

Category	%
Management, business & arts	26.3%
Service	19.0%
Sales & office	24.3%
Natural resources & construction	14.4%
Production & transportation	16.2%

Employment type

Type	%
Private sector	77.1%
Government	11.7%
Self-employed	10.1%
Unpaid family workers	1.2%

Commute

Method	%
Drive alone	79.3%
Carpool	11.2%
Public transit	0.3%
Walk	1.0%
Other means	1.1%
Avg commute (minutes)	24.7

Poverty

All people 15.5%

Under 18 years 25.8%

18 and over 12.3%

Married-couple families 6.2%

Female-led households 23.4%

Income support

Source	% of households
Social Security	42.1%
Retirement income	22.6%
Supplemental Security	7.6%
Cash public assistance	1.3%
Food stamps / SNAP	12.2%

Health indicators

Condition	%
High blood pressure	39.3%
High cholesterol	37.8%
Heart disease	8.1%
Stroke	3.9%
Asthma	10.0%
Arthritis	27.6%
Kidney disease	3.5%
Pulmonary disease	9.1%
Cancer	7.4%

Behavior / access	%
Binge drinking	17.5%
No physical activity	27.5%
Less than 7 hrs sleep	34.9%
Fair or poor health	19.3%
Poor mental health	16.4%
Poor physical health	13.3%
No health insurance	23.1%
Visited doctor (checkup)	72.5%
Visited dentist	50.3%
Cholesterol screening	89.1%
Teeth loss	17.2%

Veterans & disability

Veterans	Count	%
Civilian veterans	2,502	10.5%

Disability	%
Any disability	17.5%
Under 18	4.9%
18–64 years	16.3%
65 and over	36.7%

Health insurance coverage

Type	%
Private insurance	56.9%
Public insurance	41.2%
Uninsured under 19	10.8%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	30,987	92.4%
Spanish	711	2.4%
Other Indo-European	675	2.2%
Asian & Pacific Islander	23	0.2%
Other languages	13	0.1%

Place of birth & citizenship

Origin	Count	%
Native born (US)	32,423	96.9%
Born in same state	32,145	96.1%
Born in different state	22,944	68.6%
Foreign born	278	0.8%
Naturalized citizen	988	3.2%
Not a US citizen	290	33.4%

Ancestry

Ancestry	Count	%
Italian	4,865	14.6%
French	4,170	12.5%
Arab	1,630	4.9%
English	588	1.8%
Polish	553	1.7%

Ancestry	Count	%
Irish	75	0.2%
German	49	0.1%
Dutch	22	0.1%
Norwegian	14	0%

Technology access

Metric	% of households
Computer access	38.3%
Internet access	89.6%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions

What ZIP codes does Denison, TX have?

Denison, TX has 2 ZIP codes: 75020, 75021. Each ZIP code serves a distinct delivery area within the city and surrounding region.

What is the main ZIP code for Denison, TX?

The primary ZIP code for Denison, TX is 75020. The city uses area code 903 for phone service.

What county is Denison, TX in?

Denison is located in Grayson County, Texas.

How many ZIP codes are in Denison, TX?

Denison, TX has 2 ZIP codes.

What ZIP code is the Denison downtown area and historic district located in?

The Denison downtown area, centered around Main Street and the historic railroad district, is primarily located in ZIP code 75020.

Which ZIP code covers the Grayson College campus and the surrounding educational area in Denison?

Grayson College, located in Denison, is situated in ZIP code 75020, which serves as the primary ZIP code for the college campus and its surrounding institutional area.