30078 ZIP Code — Snellville, GA
Gwinnett County, Georgia
ZIP code 30078 is located in Snellville, Georgia, within Gwinnett County. It covers approximately 17.31 square miles and serves a population of 41,998 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 770/678.
About ZIP code 30078
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 $279,700. Owner-occupancy is high at 82%, well above the national average.
Median household income is $87,529.
The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. An above-average commute of 36 minutes suggests many residents work outside the immediate area.
Educational attainment is near the national average, with 40% of residents holding a bachelor's degree or higher.
41,998
population
17.31
sq mi land
Standard
ZIP type
Eastern (ET)
timezone
30078 ZIP code map
Cities in ZIP code 30078
Below are the cities the US Postal Service accepts for ZIP code 30078. Using any city not on this list may result in mail delivery delays.
| City | Status |
|---|---|
| Snellville | Preferred |
Nearby ZIP codes
30017 Grayson (3.3 mi)
30039 Snellville (4.7 mi)
30044 Lawrenceville (5.4 mi)
30045 Lawrenceville (6 mi)
30047 Lilburn (6.1 mi)
30046 Lawrenceville (6.7 mi)
30052 Loganville (7.7 mi)
30087 Stone Mountain (7.8 mi)
30058 Lithonia (9.7 mi)
30012 Conyers (9.7 mi)
30043 Lawrenceville (9.9 mi)
30093 Norcross (10.4 mi)
Demographics
updated 05/2026
| Population | |
|---|---|
| Total population | 41,998 |
| Population density | 2,426 / sq mi |
| State FIPS | 13 |
| County FIPS | 135 |
| Geography | |
|---|---|
| Land area | 17.31 sq mi |
| Water area | 0.26 sq mi |
| Latitude | 33.8608 |
| Longitude | -84.0077 |
| Timezone | Eastern (ET) |
| Area code | 770/678 |
Total population by age
Gender
Race & ethnicity
Economics
updated 05/2026
Household income
| Income range | This ZIP | County avg | State avg |
|---|---|---|---|
| Under $50k | 31.4% | 32.5% | 41.5% |
| $50k – $100k | 33.4% | 32.0% | 30.3% |
| $100k – $200k | 28.3% | 27.2% | 21.2% |
| Over $200k | 6.9% | 8.3% | 7.1% |
Demographics & statistics
41,998
Population
2,426
People per sq mi
37.6
Median age
$87,529
Median household income
$34,855
Per capita income
$279,700
Median home value
$1,577
Median monthly rent
82.0%
Home ownership
9.0%
Poverty rate
4.6%
Unemployment
11,374
Housing units
40.2%
Bachelor's or higher
Age distribution
Male
Female
1,035
Under 5
1,061
1,387
5–9
1,421
1,605
10–14
1,645
1,818
15–19
1,862
1,263
20–24
1,294
2,561
25–34
2,623
2,707
35–44
2,774
2,909
45–54
2,981
1,484
55–59
1,520
1,366
60–64
1,400
1,496
65–74
1,533
817
75–84
837
296
85+
303
← Male
Female →
Age summary
| Group | Count | % |
|---|---|---|
| Under 18 | 10,480 | 25.0% |
| 18 and over | 31,518 | 75.0% |
| 65 and over | 5,282 | 12.6% |
| Median age | 37.6 years | |
Race & ethnicity
White
35.9%
Black or African American
32.6%
Asian
11.7%
Hispanic or Latino
8.6%
Two or more races
5.9%
Other race
5.3%
| Group | Count | % |
|---|---|---|
| White | 16,498 | 35.9% |
| Black or African American | 14,984 | 32.6% |
| Asian | 5,374 | 11.7% |
| Hispanic or Latino | 3,954 | 8.6% |
| Two or more races | 2,693 | 5.9% |
| Other race | 2,439 | 5.3% |
Household income
| Income range | This ZIP | County avg | State avg |
|---|---|---|---|
| Under $50k | 31.4% | 32.5% | 41.5% |
| $50k – $100k | 33.4% | 32.0% | 30.3% |
| $100k – $200k | 28.3% | 27.2% | 21.2% |
| Over $200k | 6.9% | 8.3% | 7.1% |
Under $10k
3.1%
$10k–$15k
1.8%
$15k–$25k
5.0%
$25k–$35k
5.8%
$35k–$50k
7.9%
$50k–$75k
19.7%
$75k–$100k
13.3%
$100k–$150k
21.3%
$150k–$200k
12.2%
$200k+
9.9%
| Range | % of households |
|---|---|
| Under $10k | 3.1% |
| $10k–$15k | 1.8% |
| $15k–$25k | 5.0% |
| $25k–$35k | 5.8% |
| $35k–$50k | 7.9% |
| $50k–$75k | 19.7% |
| $75k–$100k | 13.3% |
| $100k–$150k | 21.3% |
| $150k–$200k | 12.2% |
| $200k+ | 9.9% |
| Median income | $87,529 |
Housing
Home values
Under $50k
1.7%
$50k–$100k
2.1%
$100k–$150k
3.8%
$150k–$200k
12.2%
$200k–$300k
36.4%
$300k–$500k
29.5%
$500k–$1M
13.4%
$1M+
0.9%
Housing overview
| Metric | Value |
|---|---|
| Median home value | $279,700 |
| Median rent / month | $1,577 |
| Owner occupied | 82.0% |
| Renter occupied | 18.0% |
| Vacant | 4.4% |
| Single-family detached | 89.0% |
| Large apartment buildings | 0.0% |
| Mobile homes | 1.4% |
| Median rooms | 7.4 |
| Avg household size (owned) | 3.16 |
Year built
| Era | % |
|---|---|
| 2020 or later | 0.6% |
| 2010–2019 | 6.0% |
| 2000–2009 | 20.4% |
| 1990–1999 | 20.4% |
| 1980–1989 | 27.3% |
| 1970–1979 | 21.7% |
| 1960–1969 | 3.1% |
| 1950–1959 | 0.5% |
| 1940–1949 | 0.0% |
| 1939 or earlier | 0.1% |
Bedrooms
| Size | % of units |
|---|---|
| No bedroom (studio) | 0.5% |
| 1 bedroom | 0.0% |
| 2 bedrooms | 8.7% |
| 3 bedrooms | 39.9% |
| 4 bedrooms | 35.3% |
| 5+ bedrooms | 15.5% |
Vehicles per household
| Vehicles | % of households |
|---|---|
| No vehicle | 1.8% |
| 1 vehicle | 23.3% |
| 2 vehicles | 43.7% |
| 3 or more | 31.2% |
Heating fuel
| Fuel type | % |
|---|---|
| Utility gas | 75.2% |
| Electricity | 21.5% |
| Propane / LP gas | 2.4% |
| Wood | 0.2% |
| No fuel used | 0.2% |
Households & families
| Household type | Count | % |
|---|---|---|
| Married-couple family | 8,285 | 63.1% |
| Cohabiting couple | 660 | 5.0% |
| Male householder, no spouse | 1,388 | 10.6% |
| Female householder, no spouse | 2,791 | 21.3% |
| Households with children under 18 | 5,459 | 41.6% |
| Households with seniors (65+) | 3,465 | 26.4% |
| Average household size | 3.16 | |
Marital status
| Status | Male | Female |
|---|---|---|
| Never married | 35.0% | 30.7% |
| Married | 55.0% | 50.9% |
| Separated | 0.8% | 1.7% |
| Widowed | 1.2% | 6.3% |
| Divorced | 8.1% | 10.4% |
Education
Less than 9th grade
2.6%
Some HS, no diploma
6.1%
HS graduate
21.5%
Some college, no degree
20.3%
Associate's degree
9.3%
Bachelor's degree
27.7%
Graduate / professional
12.5%
| Metric | % |
|---|---|
| HS diploma or higher | 91.3% |
| Bachelor's or higher | 40.2% |
School enrollment (ages 3–17)
| Type | Count | % |
|---|---|---|
| Nursery / preschool | 512 | 4.0% |
| Kindergarten | 710 | 5.6% |
| Elementary school | 4,865 | 38.2% |
| High school | 2,656 | 20.8% |
| College / grad school | 4,009 | 31.4% |
Employment
Industry of employment
Education & healthcare
22.9%
Retail trade
14.0%
Professional & management
10.8%
Arts, food & hospitality
10.8%
Manufacturing
9.2%
Transportation & utilities
8.8%
Other services
7.0%
Finance & real estate
4.4%
Construction
3.5%
Wholesale trade
3.3%
Public administration
2.7%
Information
2.2%
Agriculture & mining
0.3%
Occupation
| Category | % |
|---|---|
| Management, business & arts | 45.2% |
| Service | 14.0% |
| Sales & office | 23.9% |
| Natural resources & construction | 6.0% |
| Production & transportation | 10.9% |
Employment type
| Type | % |
|---|---|
| Private sector | 81.0% |
| Government | 13.9% |
| Self-employed | 4.5% |
| Unpaid family workers | 0.6% |
Commute
| Method | % |
|---|---|
| Drive alone | 74.5% |
| Carpool | 9.2% |
| Public transit | 0.7% |
| Walk | 1.0% |
| Work from home | 13.5% |
| Other means | 1.1% |
| Avg commute (minutes) | 36.3 |
Poverty
All people
9.0%
Under 18 years
9.5%
18 and over
8.9%
Married-couple families
4.7%
Female-led households
10.7%
Income support
| Source | % of households |
|---|---|
| Social Security | 27.6% |
| Retirement income | 22.0% |
| Supplemental Security | 3.2% |
| Cash public assistance | 2.0% |
| Food stamps / SNAP | 6.9% |
Health indicators
| Condition | % |
|---|---|
| Obesity | 29.2% |
| High blood pressure | 34.1% |
| High cholesterol | 33.5% |
| Diabetes | 10.4% |
| Heart disease | 5.6% |
| Stroke | 2.7% |
| Asthma | 9.0% |
| Arthritis | 21.9% |
| Kidney disease | 2.7% |
| Pulmonary disease | 5.5% |
| Cancer | 6.1% |
| Behavior / access | % |
|---|---|
| Smoking | 13.9% |
| Binge drinking | 13.9% |
| No physical activity | 20.6% |
| Less than 7 hrs sleep | 33.9% |
| Depression | 17.7% |
| Fair or poor health | 12.8% |
| Poor mental health | 13.7% |
| Poor physical health | 9.1% |
| No health insurance | 17.2% |
| Visited doctor (checkup) | 75.9% |
| Visited dentist | 66.6% |
| Cholesterol screening | 92.1% |
| Teeth loss | 10.9% |
Veterans & disability
| Veterans | Count | % |
|---|---|---|
| Civilian veterans | 2,094 | 6.6% |
| Disability | % |
|---|---|
| Any disability | 10.4% |
| Under 18 | 6.3% |
| 18–64 years | 8.9% |
| 65 and over | 26.5% |
Health insurance coverage
| Type | % |
|---|---|
| Private insurance | 72.8% |
| Public insurance | 27.4% |
| No insurance | 9.9% |
| Uninsured under 19 | 6.6% |
Language & origin
Language spoken at home (age 5+)
| Language | Count | % |
|---|---|---|
| English only | 39,902 | 95.0% |
| Spanish | 4,146 | 10.4% |
| Other Indo-European | 1,540 | 3.9% |
| Asian & Pacific Islander | 645 | 1.6% |
| Other languages | 1,488 | 3.7% |
Place of birth & citizenship
| Origin | Count | % |
|---|---|---|
| Native born (US) | 31,588 | 75.2% |
| Born in same state | 30,952 | 73.7% |
| Born in different state | 16,099 | 38.3% |
| Foreign born | 636 | 1.5% |
| Naturalized citizen | 10,410 | 24.8% |
| Not a US citizen | 7,699 | 74.0% |
Ancestry
| Ancestry | Count | % |
|---|---|---|
| French | 3,075 | 7.3% |
| Arab | 1,978 | 4.7% |
| Italian | 1,916 | 4.6% |
| Polish | 152 | 0.4% |
| English | 74 | 0.2% |
| Ancestry | Count | % |
|---|---|---|
| Norwegian | 61 | 0.1% |
| Irish | 49 | 0.1% |
| German | 30 | 0.1% |
| Dutch | 9 | 0% |
Technology access
| Metric | % of households |
|---|---|
| Computer access | 31.2% |
| Internet access | 98.4% |
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 30078
What city is ZIP code 30078 in?
ZIP code 30078 is primarily assigned to Snellville, Georgia.
What county is ZIP code 30078 in?
ZIP code 30078 falls within Gwinnett County, Georgia.
Is ZIP code 30078 mostly owner-occupied?
82% of occupied units in ZIP code 30078 are owner-occupied, well above the national average.
What is the population of ZIP code 30078?
ZIP code 30078 has an estimated population of 41,998 residents, with a density of 2,427 people per square mile.
What is the median household income in ZIP code 30078?
The median household income in ZIP code 30078 is $87,529, above the national median of ~$75,000.
What is the typical home value in ZIP code 30078?
The median home value in ZIP code 30078 is $279,700.
What timezone is ZIP code 30078 in?
ZIP code 30078 observes the EST timezone.