ZIP Code 31721
ZIP / ZCTAPopulation: 19,655
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 — 31721
- What is the median household income in 31721?
- The median household income in 31721 is $78,314 (U.S. Census Bureau ACS 5-Year Estimates, 2023).
- What is the poverty rate in 31721?
- The poverty rate in 31721 is 5.6% (U.S. Census Bureau ACS 2023).
- What is the median home value in 31721?
- $209,900 (U.S. Census Bureau ACS 2023).
- What is the average rent in 31721?
- The median gross rent in 31721 is $1,174 per month (U.S. Census Bureau ACS 2023).
- What percentage of 31721 residents have a college degree?
- 38.3% of adults in 31721 hold a bachelor's degree or higher (U.S. Census Bureau ACS 2023).
Population
19,655
Median Income
$78,314
Median Home Value
$209,900
Poverty Rate
5.6%
Unemployment (ACS 2023)
5.1%
Median Age
44.0 yrs
Since 2019
Median Income:
+$5,322 (+7.3%)
Home Value:
+$38,900 (+22.7%)
Poverty Rate:
-1.1 pp (-16.4%)
Bachelor's+:
-1.3 pp (-3.3%)
Unemployment:
-0.3 pp (-5.6%)
Demographics
Total Population
19,655
Median Age
44.0
Female
54.5%
Race & Ethnicity
Hispanic or Latino 0.7%
White (non-Hisp.) 35.9%
Black 60.1%
Asian 1.3%
Two or More 1.8%
Other 0.5%
Asian Subgroups (% of total pop.)
Filipino
0.3%
Korean
0.2%
Vietnamese
0.2%
Japanese
0.1%
Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023
Income & Poverty
Median Household Income
$78,314
±$7,629
Per Capita Income
$104,566
Median Family Income
$82,217
Poverty Rate
5.6%
Child Poverty Rate
8.9%
Working-Age Poverty Rate
—
SNAP Recipients
13.7%
Social Security Income
—
Retirement Income
33.7%
Household Income Distribution
< $10k
4.0%
$10–15k
1.0%
$15–25k
5.7%
$25–35k
7.5%
$35–50k
14.0%
$50–75k
16.2%
$75–100k
17.3%
$100–150k
19.1%
$150–200k
6.7%
$200k+
8.4%
Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023
Housing
Total Housing Units
8,508
Owner-Occupied
68.5%
Renter-Occupied
31.5%
Vacancy Rate
5.9%
Median Home Value
$209,900
Median Gross Rent
$1,174
Owner Cost Burden (30%+)
26.2%
Renter Cost Burden (30%+)
23.1%
Home Value Distribution
< $50k
7.1%
$50–100k
8.8%
$100–200k
14.5%
$200–300k
31.5%
$300–500k
16.6%
$500k–$1M
5.8%
$1M+
0.4%
Gross Rent Distribution
$500–1k
28.0%
$1–1.5k
55.7%
$1.5–2k
14.0%
$2–2.5k
0.3%
$2.5–3.5k
2.0%
Vehicle Availability
No vehicle
3.4%
1 vehicle
28.3%
2 vehicles
39.1%
3+
29.2%
Housing Type
Single-fam. det.
75.1%
Single-fam. att.
2.1%
2–4 units
11.9%
5–19 units
1.8%
20+ units
1.5%
Mobile home
5.4%
Housing Age
Pre-1940
1.2%
1940–1969
0.2%
1970–1999
21.3%
2000–2009
10.6%
2010+
8.7%
Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023
Education
High School or Higher
93.8%
Bachelor's or Higher
38.3%
Graduate Degree
21.1%
Some College / Associate
22.1%
Less Than High School
2.6%
Enrolled in School
—
Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023
Employment
Labor Force Participation
62.0%
Unemployment Rate
5.1%
Work from Home
10.5%
Self-Employed
9.0%
Government Workers
22.9%
Private For-Profit
67.7%
Industry
Edu/Health
32.3%
Prof. Services
13.2%
Retail
10.8%
Manufacturing
9.6%
Public Admin
6.1%
Transportation
6.0%
Arts/Entmt.
5.6%
Finance
5.0%
Construction
3.1%
Information
1.4%
Agriculture
1.4%
Wholesale
0.6%
Occupation
Management
45.8%
Sales
21.8%
Food Prep
14.8%
Production
14.2%
Construction
3.4%
Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023
Commute
Median Travel Time
19.1 min
Drove Alone
79.8%
Carpool
8.1%
Public Transit
0.0%
Work from Home
10.5%
Walked
0.7%
Bicycle
—
Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023
Households & Families
Total Households
8,005
Avg. Household Size
2.00
Avg. Family Size
—
Married-Couple Households
47.7%
Single-Mother Households
—
Single-Father Households
—
Living Alone
—
Households with Children
13.7%
Multigenerational
—
Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023
Age Distribution
Under 5
4.8%
5–9
5.9%
10–14
7.3%
15–19
5.0%
20–24
2.6%
25–34
10.9%
35–44
13.8%
45–54
16.3%
55–64
7.4%
65–74
4.8%
75–84
13.4%
85+
5.9%
Under 18: 21.6%
Working age (18–64): 78.4%
65 and over: 21.1%
Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023
Social Characteristics
Immigration
Foreign Born
2.1%
Naturalized Citizen
61.8%
Speaks English Less Than Very Well
0.4%
Foreign-Born Origin
Asia
32.7%
Latin America
26.9%
Europe
17.8%
Africa
9.6%
Veterans & Disability
Veteran
13.1%
With a Disability
16.6%
Cognitive Difficulty
—
Ambulatory Difficulty
—
Health Insurance
Insured
93.0%
Uninsured
7.0%
Employer Insurance
—
Medicaid
—
Medicare
—
Technology & Mobility
Broadband Internet
92.3%
Has a Computer
96.9%
Same House 1 Year Ago
90.7%
Moved from Abroad
0.1%
Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023