30518 vs 30040 — Compare ZIP Codes
Side-by-side comparison. Blue = ZIP 30518, Orange = ZIP 30040.
Quick verdict: ZIP 30518 is more affordable rent, lower unemployment, more diverse. ZIP 30040 is wealthier, higher home values, lower poverty rate, more educated, higher work-from-home share.
Quick Facts
ZIP 30518
Buford city, GA
View full profile →- Population56,309
- Median Income$97,339
- Median Home Value$367k
- Median Rent$1,404
- Median Age36.2 yrs
- Poverty Rate11.2%
ZIP 30040
Cumming city, GA
View full profile →- Population79,580
- Median Income$133,028
- Median Home Value$474k
- Median Rent$1,613
- Median Age39.1 yrs
- Poverty Rate5.7%
Visual comparison (same scale)
Population
56,30979,580
Median Income
$97,339$133,028
Median Home Value
$367k$474k
Median Rent
$1,404$1,613
Median Age
36.2 yrs39.1 yrs
Poverty Rate
11.2%5.7%
Demographics
ZIP 30518
Buford city, GA
View full profile →- White %55.8%
- Black %13.4%
- Asian %8.9%
- Hispanic %22.4%
- Age 0–17 %29.9%
- Age 18–64 %59.5%
- Age 65+ %10.6%
- Bachelor's+ %39.9%
- Diversity Index61/100
ZIP 30040
Cumming city, GA
View full profile →- White %68.2%
- Black %4.0%
- Asian %13.3%
- Hispanic %11.9%
- Age 0–17 %25.5%
- Age 18–64 %61.0%
- Age 65+ %13.5%
- Bachelor's+ %55.5%
- Diversity Index50/100
Visual comparison (same scale)
White %
55.8%68.2%
Black %
13.4%4.0%
Asian %
8.9%13.3%
Hispanic %
22.4%11.9%
Age 0–17 %
29.9%25.5%
Age 18–64 %
59.5%61.0%
Age 65+ %
10.6%13.5%
Bachelor's+ %
39.9%55.5%
Diversity Index
61/10050/100
Economy
ZIP 30518
Buford city, GA
View full profile →- Median Income$97,339
- Unemployment %2.7%
- IRS Net Migration+2,484
- Work From Home %17.0%
ZIP 30040
Cumming city, GA
View full profile →- Median Income$133,028
- Unemployment %3.7%
- IRS Net Migration+3,511
- Work From Home %28.1%
Visual comparison (same scale)
Median Income
$97,339$133,028
Unemployment %
2.7%3.7%
IRS Net Migration
+2,484+3,511
Work From Home %
17.0%28.1%
Housing
ZIP 30518
Buford city, GA
View full profile →- Median Home Value$367k
- Median Rent$1,404
- Owner Occupied %76.4%
- Broadband %93.0%
- Vacant %6.9%
- Median Year Built2001
ZIP 30040
Cumming city, GA
View full profile →- Median Home Value$474k
- Median Rent$1,613
- Owner Occupied %84.4%
- Broadband %96.7%
- Vacant %3.6%
- Median Year Built2005
Visual comparison (same scale)
Median Home Value
$367k$474k
Median Rent
$1,404$1,613
Owner Occupied %
76.4%84.4%
Broadband %
93.0%96.7%
Vacant %
6.9%3.6%
Median Year Built
20012005
Climate & Location
ZIP 30518
Buford city, GA
View full profile →- Snow Days/Year0 days
- Elevation (ft)1,140 ft
- Nearest Airport23.7 miles (38.1 km)
- Distance to Coast120.7 miles (194.3 km)
ZIP 30040
Cumming city, GA
View full profile →- Snow Days/Year0 days
- Elevation (ft)1,140 ft
- Nearest Airport24.0 miles (38.6 km)
- Distance to Coast131.2 miles (211.2 km)
Visual comparison (same scale)
Snow Days/Year
0 days0 days
Elevation (ft)
1,140 ft1,140 ft
Nearest Airport
23.7 miles (38.1 km)24.0 miles (38.6 km)
Distance to Coast
120.7 miles (194.3 km)131.2 miles (211.2 km)
Infrastructure
ZIP 30518
Buford city, GA
View full profile →- Work From Home %17.0%
- Walkability (0–100)37
- Broadband %93.0%
ZIP 30040
Cumming city, GA
View full profile →- Work From Home %28.1%
- Walkability (0–100)36
- Broadband %96.7%
Visual comparison (same scale)
Work From Home %
17.0%28.1%
Walkability (0–100)
3736
Broadband %
93.0%96.7%
Frequently Asked Questions
How do ZIP 30518 and 30040 compare?
ZIP 30518 is more affordable rent, lower unemployment, more diverse. ZIP 30040 is wealthier, higher home values, lower poverty rate, more educated, higher work-from-home share.
What do the blue and orange colors mean?
Blue represents the first ZIP (30518), orange the second (30040). The same colors are used in the map markers and comparison bars.
Where does this data come from?
Data is from the U.S. Census Bureau and other federal sources. See our Methodology page for details.
How can I compare other ZIP codes?
From any ZIP page, use the "Compare with Another ZIP" tool, or go to /compare/XXXXX-vs-YYYYY (replace with two 5-digit ZIP codes).
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