77478 ZIP Code — Sugar Land, TX

Fort Bend County, Texas

ZIP code 77478 is located in Sugar Land, Texas, within Fort Bend County. It covers approximately 10.02 square miles and serves a population of 23,105 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 281/346/832.

About ZIP code 77478

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 $368,300. Owner-occupancy is high at 77%, well above the national average.

The gap between median ($110,032) and mean household income suggests income inequality — a small number of higher earners pull the average up. The poverty rate of 5% is below the national average. 36% 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.

Educational attainment is high — 57% of residents hold a bachelor's degree or higher, well above the national average of 33%.

Overall, ZIP code 77478 reflects a community defined by a highly educated population, high homeownership, and a significant Social Security-dependent population.

23,105

population

10.02

sq mi land

Standard

ZIP type

Central (CT)

timezone

77478 ZIP code map

Cities in ZIP code 77478

Below are the cities the US Postal Service accepts for ZIP code 77478. Using any city not on this list may result in mail delivery delays.

City	Status
Sugar Land	Preferred

Nearby ZIP codes

77498 Sugar Land (1.3 mi) 77099 Houston (3.8 mi) 77477 Stafford (4.2 mi) 77083 Houston (4.4 mi) 77479 Sugar Land (5 mi) 77031 Houston (5.3 mi) 77072 Houston (5.6 mi) 77407 Richmond (6 mi) 77082 Houston (6.3 mi) 77071 Houston (6.8 mi) 77489 Missouri City (7.3 mi) 77469 Richmond (7.6 mi)

Demographics updated 06/2026

Population
Total population	23,105
Population density	2,306 / sq mi
State FIPS	48
County FIPS	157

Geography
Land area	10.02 sq mi
Water area	0.72 sq mi
Latitude	29.6302
Longitude	-95.6323
Timezone	Central (CT)
Area code	281/346/832

Total population by age

Gender

Race & ethnicity

Economics updated 06/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	24.1%	22.9%	39.5%
$50k – $100k	26.5%	27.5%	30.1%
$100k – $200k	31.3%	33.8%	22.6%
Over $200k	18.1%	15.8%	7.8%

Demographics & statistics

23,105

Population

2,306

People per sq mi

48.2

Median age

$110,032

Median household income

$57,627

Per capita income

$368,300

Median home value

$1,689

Median monthly rent

76.6%

Home ownership

5.1%

Poverty rate

5.0%

Unemployment

7,069

Housing units

56.9%

Bachelor's or higher

Age distribution

Male Female

345

Under 5

372

458

5–9

494

543

10–14

585

667

15–19

718

800

20–24

861

1,299

25–34

1,398

1,091

35–44

1,175

1,262

45–54

1,359

993

55–59

1,069

947

60–64

1,020

1,658

65–74

1,784

769

75–84

828

294

85+

316

← Male

Female →

Age summary

Group	Count	%
Under 18	3,808	16.5%
18 and over	19,297	83.5%
65 and over	5,649	24.4%
Median age	48.2 years

Race & ethnicity

White 43.7%

Asian 31.8%

Two or more races 10.3%

Hispanic or Latino 8.5%

Black or African American 4%

Other race 1.4%

American Indian / Alaska Native 0.2%

Group	Count	%
White	11,052	43.7%
Asian	8,040	31.8%
Two or more races	2,595	10.3%
Hispanic or Latino	2,157	8.5%
Black or African American	1,010	4%
Other race	343	1.4%
American Indian / Alaska Native	60	0.2%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	24.1%	22.9%	39.5%
$50k – $100k	26.5%	27.5%	30.1%
$100k – $200k	31.3%	33.8%	22.6%
Over $200k	18.1%	15.8%	7.8%

Under $10k 3.2%

$10k–$15k 0.5%

$15k–$25k 4.1%

$25k–$35k 5.4%

$35k–$50k 7.0%

$50k–$75k 13.2%

$75k–$100k 11.9%

$100k–$150k 20.0%

$150k–$200k 12.6%

$200k+ 22.1%

Range	% of households
Under $10k	3.2%
$10k–$15k	0.5%
$15k–$25k	4.1%
$25k–$35k	5.4%
$35k–$50k	7.0%
$50k–$75k	13.2%
$75k–$100k	11.9%
$100k–$150k	20.0%
$150k–$200k	12.6%
$200k+	22.1%
Median income	$110,032

Housing

Home values

Under $50k 0.7%

$100k–$150k 3.0%

$150k–$200k 2.8%

$200k–$300k 23.1%

$300k–$500k 52.0%

$500k–$1M 15.6%

$1M+ 2.9%

Housing overview

Metric	Value
Median home value	$368,300
Median rent / month	$1,689
Owner occupied	76.6%
Renter occupied	23.4%
Vacant	2.9%
Single-family detached	80.4%
Large apartment buildings	7.8%
Mobile homes	0.2%
Median rooms	6.8
Avg household size (owned)	2.73

Year built

Era	%
2020 or later	0.0%
2010–2019	5.1%
2000–2009	11.2%
1990–1999	28.0%
1980–1989	33.1%
1970–1979	17.2%
1960–1969	2.8%
1950–1959	1.4%
1940–1949	0.6%
1939 or earlier	0.5%

Bedrooms

Size	% of units
No bedroom (studio)	1.5%
1 bedroom	7.6%
2 bedrooms	10.5%
3 bedrooms	31.8%
4 bedrooms	38.4%
5+ bedrooms	10.2%

Vehicles per household

Vehicles	% of households
No vehicle	3.2%
1 vehicle	24.4%
2 vehicles	45.6%
3 or more	26.7%

Heating fuel

Fuel type	%
Utility gas	59.9%
Electricity	39.0%
Propane / LP gas	0.7%
Wood	0.1%
No fuel used	0.2%

Households & families

Household type	Count	%
Married-couple family	5,440	61.2%
Cohabiting couple	313	3.5%
Male householder, no spouse	1,127	12.7%
Female householder, no spouse	2,003	22.5%
Households with children under 18	2,309	26.0%
Households with seniors (65+)	3,765	42.4%
Average household size	2.58

Marital status

Status	Male	Female
Never married	28.7%	26.8%
Married	60.9%	54.4%
Separated	0.7%	0.5%
Widowed	2.4%	9.2%
Divorced	7.3%	9.1%

Education

Less than 9th grade 3.4%

Some HS, no diploma 2.8%

HS graduate 12.9%

Some college, no degree 18.0%

Associate's degree 6.1%

Bachelor's degree 34.2%

Graduate / professional 22.7%

Metric	%
HS diploma or higher	93.9%
Bachelor's or higher	56.9%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	158	3.4%
Kindergarten	163	3.5%
Elementary school	1,684	36.0%
High school	1,263	27.0%
College / grad school	1,413	30.2%

Employment

Industry of employment

Education & healthcare 25.1%

Professional & management 17.9%

Finance & real estate 9.6%

Manufacturing 8.9%

Arts, food & hospitality 7.9%

Retail trade 6.7%

Construction 5.8%

Transportation & utilities 4.8%

Other services 4.5%

Wholesale trade 3.0%

Agriculture & mining 2.2%

Information 1.9%

Public administration 1.6%

Occupation

Category	%
Management, business & arts	58.1%
Service	10.3%
Sales & office	23.4%
Natural resources & construction	3.0%
Production & transportation	5.3%

Employment type

Type	%
Private sector	79.6%
Government	11.7%
Self-employed	8.5%
Unpaid family workers	0.2%

Commute

Method	%
Drive alone	75.6%
Carpool	7.3%
Public transit	0.7%
Walk	0.3%
Work from home	14.1%
Other means	2.0%
Avg commute (minutes)	28.0

Poverty

All people 5.1%

Under 18 years 4.8%

18 and over 5.2%

Married-couple families 4.4%

Female-led households 2.1%

Income support

Source	% of households
Social Security	35.7%
Retirement income	24.1%
Supplemental Security	3.4%
Cash public assistance	1.4%
Food stamps / SNAP	4.4%

Health indicators

Condition	%
Obesity	26.4%
High blood pressure	34.3%
High cholesterol	37.8%
Diabetes	11.3%
Heart disease	5.3%
Stroke	2.4%
Asthma	7.4%
Arthritis	19.8%
Kidney disease	2.5%
Pulmonary disease	4.4%
Cancer	6.0%

Behavior / access	%
Smoking	11.8%
Binge drinking	14.5%
No physical activity	19.9%
Less than 7 hrs sleep	33.7%
Depression	16.1%
Fair or poor health	11.5%
Poor mental health	11.4%
Poor physical health	8.0%
No health insurance	16.7%
Visited doctor (checkup)	72.0%
Visited dentist	67.0%
Cholesterol screening	92.2%
Teeth loss	7.8%

Veterans & disability

Veterans	Count	%
Civilian veterans	903	4.7%

Disability	%
Any disability	10.2%
Under 18	2.6%
18–64 years	4.9%
65 and over	28.4%

Health insurance coverage

Type	%
Private insurance	76.5%
Public insurance	30.4%
No insurance	6.6%
Uninsured under 19	3.5%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	22,388	96.9%
Spanish	3,637	16.2%
Other Indo-European	464	2.1%
Asian & Pacific Islander	788	3.5%
Other languages	2,222	9.9%

Place of birth & citizenship

Origin	Count	%
Native born (US)	15,487	67.0%
Born in same state	15,007	65.0%
Born in different state	9,825	42.5%
Foreign born	480	2.1%
Naturalized citizen	7,618	33.0%
Not a US citizen	5,697	74.8%

Ancestry

Ancestry	Count	%
French	2,453	10.6%
Italian	1,509	6.5%
Arab	731	3.2%
German	147	0.6%
English	112	0.5%

Ancestry	Count	%
Irish	75	0.3%
Polish	35	0.2%
Dutch	28	0.1%
Norwegian	16	0.1%

Technology access

Metric	% of households
Computer access	38.4%
Internet access	99.0%

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

Frequently asked questions about ZIP code 77478

What city is ZIP code 77478 in?

ZIP code 77478 is primarily assigned to Sugar Land, Texas.

What county is ZIP code 77478 in?

ZIP code 77478 falls within Fort Bend County, Texas.

How educated is the population of ZIP code 77478?

57% of residents hold a bachelor's degree or higher — well above the national average of ~33%, reflecting a highly educated population.

Does ZIP code 77478 have a large retiree population?

36% of households in ZIP code 77478 receive Social Security income, suggesting a significant retiree or disability population.

What is the typical home value in ZIP code 77478?

The median home value in ZIP code 77478 is $368,300.

What is the median household income in ZIP code 77478?

The median household income in ZIP code 77478 is $110,032, above the national median of ~$75,000.

What timezone is ZIP code 77478 in?

ZIP code 77478 observes the CST timezone.