75021 ZIP Code — Denison, TX

Grayson County, Texas

ZIP code 75021 is located in Denison, Texas, within Grayson County. It covers approximately 58.40 square miles and serves a population of 8,925 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 903.

About ZIP code 75021

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1980s, giving the area an established character. Median home value is $178,600. Owner-occupancy is high at 81%, well above the national average.

Median household income is $61,198. 44% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 28 minutes is near the national average.

College attainment at 16% is below the national average, consistent with a trades and production-oriented local economy.

Health indicators show elevated rates of smoking (23%) compared to national benchmarks.

Notable community characteristics include a notable veteran presence at 12% of civilians, above the national average of 7%.

Overall, ZIP code 75021 reflects a community defined by a trades-oriented workforce, a strong veteran community, high homeownership, and a significant Social Security-dependent population.

8,925

population

58.40

sq mi land

Standard

ZIP type

Central (CT)

timezone

75021 ZIP code map

Cities in ZIP code 75021

Below are the cities the US Postal Service accepts for ZIP code 75021. Using any city not on this list may result in mail delivery delays.

City	Status
Denison	Preferred

Nearby ZIP codes

74733 Colbert (6 mi) 75020 Denison (7.9 mi) 75414 Bells (8.5 mi) 74731 Cartwright (11 mi) 75090 Sherman (11.2 mi) 75090 Sherman (11.2 mi) 74741 Hendrix (11.5 mi) 74730 Calera (12.1 mi) 75479 Savoy (13.5 mi) 75076 Pottsboro (13.5 mi) 75439 Ector (15.3 mi) 75092 Sherman (16 mi)

Demographics updated 06/2026

Population
Total population	8,925
Population density	153 / sq mi
State FIPS	48
County FIPS	181

Geography
Land area	58.40 sq mi
Water area	0.06 sq mi
Latitude	33.7442
Longitude	-96.4785
Timezone	Central (CT)
Area code	903

Total population by age

Gender

Race & ethnicity

Economics updated 06/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	45.3%	42.0%	39.5%
$50k – $100k	36.8%	34.1%	30.1%
$100k – $200k	14.9%	19.8%	22.6%
Over $200k	3.0%	4.1%	7.8%

Demographics & statistics

8,925

Population

153

People per sq mi

43.4

Median age

$61,198

Median household income

$29,601

Per capita income

$178,600

Median home value

$758

Median monthly rent

81.2%

Home ownership

14.5%

Poverty rate

4.0%

Unemployment

3,183

Housing units

16.3%

Bachelor's or higher

Age distribution

Male Female

367

Under 5

374

235

5–9

240

194

10–14

199

239

15–19

244

269

20–24

274

478

25–34

489

485

35–44

495

560

45–54

572

298

55–59

305

390

60–64

399

583

65–74

596

259

75–84

264

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	1,954	21.9%
18 and over	6,971	78.1%
65 and over	1,819	20.4%
Median age	43.4 years

Race & ethnicity

White 86%

Two or more races 5.1%

Hispanic or Latino 3.1%

Black or African American 3.1%

Asian 1.4%

Other race 0.8%

American Indian / Alaska Native 0.5%

Group	Count	%
White	7,921	86%
Two or more races	472	5.1%
Hispanic or Latino	290	3.1%
Black or African American	287	3.1%
Asian	131	1.4%
Other race	72	0.8%
American Indian / Alaska Native	42	0.5%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	45.3%	42.0%	39.5%
$50k – $100k	36.8%	34.1%	30.1%
$100k – $200k	14.9%	19.8%	22.6%
Over $200k	3.0%	4.1%	7.8%

Under $10k 2.9%

$10k–$15k 4.4%

$15k–$25k 13.3%

$25k–$35k 10.9%

$35k–$50k 9.1%

$50k–$75k 18.6%

$75k–$100k 14.1%

$100k–$150k 18.3%

$150k–$200k 4.2%

$200k+ 4.3%

Range	% of households
Under $10k	2.9%
$10k–$15k	4.4%
$15k–$25k	13.3%
$25k–$35k	10.9%
$35k–$50k	9.1%
$50k–$75k	18.6%
$75k–$100k	14.1%
$100k–$150k	18.3%
$150k–$200k	4.2%
$200k+	4.3%
Median income	$61,198

Housing

Home values

Under $50k 12.5%

$50k–$100k 13.0%

$100k–$150k 16.5%

$150k–$200k 14.1%

$200k–$300k 29.2%

$300k–$500k 12.2%

$500k–$1M 2.3%

$1M+ 0.3%

Housing overview

Metric	Value
Median home value	$178,600
Median rent / month	$758
Owner occupied	81.2%
Renter occupied	18.8%
Vacant	11.6%
Single-family detached	84.9%
Large apartment buildings	0.0%
Mobile homes	10.6%
Median rooms	5.4
Avg household size (owned)	2.65

Year built

Era	%
2020 or later	1.2%
2010–2019	14.4%
2000–2009	4.1%
1990–1999	6.3%
1980–1989	19.1%
1970–1979	17.6%
1960–1969	15.7%
1950–1959	5.1%
1940–1949	9.4%
1939 or earlier	7.2%

Bedrooms

Size	% of units
No bedroom (studio)	2.6%
1 bedroom	5.4%
2 bedrooms	31.5%
3 bedrooms	49.9%
4 bedrooms	10.1%
5+ bedrooms	0.6%

Vehicles per household

Vehicles	% of households
No vehicle	3.1%
1 vehicle	29.3%
2 vehicles	43.4%
3 or more	24.3%

Heating fuel

Fuel type	%
Utility gas	33.9%
Electricity	52.1%
Propane / LP gas	8.2%
Wood	5.2%

Households & families

Household type	Count	%
Married-couple family	2,020	59.9%
Cohabiting couple	130	3.9%
Male householder, no spouse	446	13.2%
Female householder, no spouse	777	23.0%
Households with children under 18	1,080	32.0%
Households with seniors (65+)	1,313	38.9%
Average household size	2.63

Marital status

Status	Male	Female
Never married	25.3%	16.4%
Married	63.8%	60.0%
Separated	1.1%	2.8%
Widowed	2.4%	7.8%
Divorced	7.4%	13.0%

Education

Less than 9th grade 3.3%

Some HS, no diploma 8.0%

HS graduate 37.5%

Some college, no degree 25.0%

Associate's degree 9.9%

Bachelor's degree 12.0%

Graduate / professional 4.3%

Metric	%
HS diploma or higher	88.7%
Bachelor's or higher	16.3%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	34	2.4%
Kindergarten	99	6.9%
Elementary school	420	29.1%
High school	472	32.7%
College / grad school	419	29.0%

Employment

Industry of employment

Education & healthcare 25.2%

Construction 12.5%

Retail trade 11.1%

Manufacturing 10.2%

Arts, food & hospitality 8.4%

Professional & management 7.7%

Other services 6.9%

Finance & real estate 4.3%

Public administration 3.9%

Information 3.6%

Transportation & utilities 3.1%

Agriculture & mining 1.6%

Wholesale trade 1.5%

Occupation

Category	%
Management, business & arts	25.6%
Service	21.1%
Sales & office	19.8%
Natural resources & construction	18.6%
Production & transportation	14.9%

Employment type

Type	%
Private sector	70.3%
Government	12.8%
Self-employed	14.8%
Unpaid family workers	2.1%

Commute

Method	%
Drive alone	78.9%
Carpool	11.7%
Public transit	0.4%
Walk	0.4%
Work from home	7.2%
Other means	1.5%
Avg commute (minutes)	27.6

Poverty

All people 14.5%

Under 18 years 25.5%

18 and over 11.4%

Married-couple families 7.5%

Female-led households 24.6%

Income support

Source	% of households
Social Security	44.3%
Retirement income	21.3%
Supplemental Security	8.7%
Cash public assistance	0.7%
Food stamps / SNAP	13.4%

Health indicators

Condition	%
Obesity	39.2%
High blood pressure	39.9%
High cholesterol	38.8%
Diabetes	13.5%
Heart disease	8.3%
Stroke	4.0%
Asthma	10.1%
Arthritis	28.2%
Kidney disease	3.5%
Pulmonary disease	9.7%
Cancer	7.3%

Behavior / access	%
Smoking	22.5%
Binge drinking	17.5%
No physical activity	28.2%
Less than 7 hrs sleep	35.2%
Depression	24.2%
Fair or poor health	20.2%
Poor mental health	16.7%
Poor physical health	13.9%
No health insurance	23.4%
Visited doctor (checkup)	72.3%
Visited dentist	49.0%
Cholesterol screening	89.0%
Teeth loss	18.0%

Veterans & disability

Veterans	Count	%
Civilian veterans	811	11.6%

Disability	%
Any disability	18.1%
Under 18	7.5%
18–64 years	17.1%
65 and over	32.6%

Health insurance coverage

Type	%
Private insurance	59.3%
Public insurance	40.1%
No insurance	14.5%
Uninsured under 19	8.1%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	8,184	91.7%
Spanish	211	2.6%
Other Indo-European	188	2.3%
Asian & Pacific Islander	23	0.3%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	8,607	96.4%
Born in same state	8,554	95.8%
Born in different state	6,111	68.5%
Foreign born	53	0.6%
Naturalized citizen	318	3.6%
Not a US citizen	142	44.7%

Ancestry

Ancestry	Count	%
Italian	1,458	16.3%
French	1,009	11.3%
Arab	470	5.3%
English	303	3.4%

Ancestry	Count	%
Polish	71	0.8%
German	18	0.2%
Dutch	8	0.1%

Technology access

Metric	% of households
Computer access	37.8%
Internet access	87.1%

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

Frequently asked questions about ZIP code 75021

What city is ZIP code 75021 in?

ZIP code 75021 is primarily assigned to Denison, Texas.

What county is ZIP code 75021 in?

ZIP code 75021 falls within Grayson County, Texas.

Does ZIP code 75021 have a large retiree population?

44% of households in ZIP code 75021 receive Social Security income, suggesting a significant retiree or disability population.

Is ZIP code 75021 mostly owner-occupied?

81% of occupied units in ZIP code 75021 are owner-occupied, well above the national average.

Does ZIP code 75021 have a large veteran population?

12% of civilians in ZIP code 75021 are veterans, above the national average of ~7%.

What is the typical home value in ZIP code 75021?

The median home value in ZIP code 75021 is $178,600.

What timezone is ZIP code 75021 in?

ZIP code 75021 observes the CST timezone.