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ZIP Code 78121

ZIP / ZCTA

Population: 15,001

ZIP Code Tabulation Areas (ZCTAs) are Census approximations of USPS ZIP codes. Boundaries may differ slightly from postal delivery areas, and estimates for less-populated ZCTAs carry higher margins of error.

Data: U.S. Census Bureau, ACS 5-Year Estimates, 2023 (released December 2024).

Quick Facts — 78121

What is the median household income in 78121?
The median household income in 78121 is $126,726 (U.S. Census Bureau ACS 5-Year Estimates, 2023).
What is the poverty rate in 78121?
The poverty rate in 78121 is 3.9% (U.S. Census Bureau ACS 2023).
What is the median home value in 78121?
$359,900 (U.S. Census Bureau ACS 2023).
What is the average rent in 78121?
The median gross rent in 78121 is $1,086 per month (U.S. Census Bureau ACS 2023).
What percentage of 78121 residents have a college degree?
32.7% of adults in 78121 hold a bachelor's degree or higher (U.S. Census Bureau ACS 2023).
Population
15,001
Median Income
$126,726
Median Home Value
$359,900
Poverty Rate
3.9%
Unemployment (ACS 2023)
3.2%
Median Age
39.0 yrs
Since 2019 Median Income: +$30,883 (+32.2%) Home Value: +$88,200 (+32.5%) Poverty Rate: +1.2 pp (+44.4%) Bachelor's+: +2.8 pp (+9.4%) Unemployment: +1.1 pp (+52.4%)

Demographics

Total Population 15,001
Median Age 39.0
Female 50.7%
Race & Ethnicity
Hispanic or Latino 23.1% White (non-Hisp.) 70.3% Black 2.1% Asian 0.4% Two or More 13.8% Other 4.0%
Hispanic Subgroups (% of total pop.)
Mexican
20.7%
Puerto Rican
0.6%
Cuban
0.1%

Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023

Income & Poverty

Median Household Income $126,726 ±$10,939
Per Capita Income $131,603
Median Family Income $136,518
Poverty Rate 3.9%
Child Poverty Rate 5.1%
Working-Age Poverty Rate
SNAP Recipients 6.0%
Social Security Income
Retirement Income 32.7%
Household Income Distribution
< $10k
2.0%
$10–15k
1.9%
$15–25k
2.5%
$25–35k
2.5%
$35–50k
6.8%
$50–75k
12.4%
$75–100k
11.1%
$100–150k
24.3%
$150–200k
16.1%
$200k+
20.4%

Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023

Housing

Total Housing Units 5,304
Owner-Occupied 89.3%
Renter-Occupied 10.7%
Vacancy Rate 4.3%
Median Home Value $359,900
Median Gross Rent $1,086
Owner Cost Burden (30%+) 14.1%
Renter Cost Burden (30%+) 34.9%
Home Value Distribution
< $50k
5.4%
$50–100k
5.8%
$100–200k
5.8%
$200–300k
15.5%
$300–500k
30.0%
$500k–$1M
27.1%
$1M+
0.7%
Gross Rent Distribution
< $500
7.9%
$500–1k
37.9%
$1–1.5k
26.8%
$1.5–2k
9.3%
$2–2.5k
6.3%
$2.5–3.5k
0.8%
$3.5k+
11.1%
Vehicle Availability
No vehicle
0.9%
1 vehicle
13.8%
2 vehicles
39.1%
3+
46.2%
Housing Type
Single-fam. det.
69.6%
Single-fam. att.
0.4%
2–4 units
0.2%
5–19 units
1.5%
20+ units
0.2%
Mobile home
25.6%
Housing Age
Pre-1940
2.7%
1940–1969
1.0%
1970–1999
5.9%
2000–2009
28.6%
2010+
24.3%

Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023

Education

High School or Higher 94.6%
Bachelor's or Higher 32.7%
Graduate Degree 10.1%
Some College / Associate 25.3%
Less Than High School 2.0%
Enrolled in School

Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023

Employment

Labor Force Participation 68.3%
Unemployment Rate 3.2%
Work from Home 14.9%
Self-Employed 6.3%
Government Workers 16.8%
Private For-Profit 76.8%
Industry
Edu/Health
21.2%
Prof. Services
13.7%
Retail
13.1%
Construction
9.0%
Finance
8.0%
Public Admin
6.7%
Transportation
5.3%
Agriculture
5.1%
Arts/Entmt.
4.6%
Manufacturing
4.5%
Wholesale
2.8%
Information
1.9%
Occupation
Management
43.8%
Sales
24.9%
Production
12.0%
Food Prep
11.8%
Construction
7.4%

Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023

Commute

Median Travel Time 37.4 min
Drove Alone 78.6%
Carpool 5.1%
Public Transit 0.0%
Work from Home 14.9%
Walked 0.2%
Bicycle

Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023

Households & Families

Total Households 5,077
Avg. Household Size 2.00
Avg. Family Size
Married-Couple Households 74.4%
Single-Mother Households
Single-Father Households
Living Alone
Households with Children 29.2%
Multigenerational

Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023

Age Distribution

Under 5
5.7%
5–9
7.0%
10–14
8.4%
15–19
6.6%
20–24
4.5%
25–34
8.3%
35–44
17.2%
45–54
16.0%
55–64
6.7%
65–74
6.8%
75–84
7.1%
85+
4.8%
Under 18: 25.3% Working age (18–64): 74.7% 65 and over: 12.9%

Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023

Social Characteristics

Immigration

Foreign Born 5.7%
Naturalized Citizen 29.5%
Speaks English Less Than Very Well 3.4%
Foreign-Born Origin
Latin America
53.8%
Europe
13.4%
Asia
8.8%

Veterans & Disability

Veteran 15.8%
With a Disability 13.6%
Cognitive Difficulty
Ambulatory Difficulty

Health Insurance

Insured 93.6%
Uninsured 6.4%
Employer Insurance
Medicaid
Medicare

Technology & Mobility

Broadband Internet 92.9%
Has a Computer 97.4%
Same House 1 Year Ago 91.8%
Moved from Abroad 0.2%

Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023