85618 vs 85140 — Compare ZIP Codes
Side-by-side comparison. Blue = ZIP 85618, Orange = ZIP 85140.
Quick verdict: ZIP 85618 is more affordable rent. ZIP 85140 is wealthier, higher home values, lower poverty rate, lower unemployment, more diverse, more educated, higher work-from-home share.
Quick Facts
ZIP 85618
Mammoth town, AZ
View full profile →- Population1,347
- Median Income$48,814
- Median Home Value$100k
- Median Rent$718
- Median Age59.1 yrs
- Poverty Rate19.1%
ZIP 85140
San Tan Valley CDP, AZ
View full profile →- Population51,078
- Median Income$98,668
- Median Home Value$412k
- Median Rent$1,573
- Median Age34.7 yrs
- Poverty Rate7.1%
Visual comparison (same scale)
Population
1,34751,078
Median Income
$48,814$98,668
Median Home Value
$100k$412k
Median Rent
$718$1,573
Median Age
59.1 yrs34.7 yrs
Poverty Rate
19.1%7.1%
Demographics
ZIP 85618
Mammoth town, AZ
View full profile →- White %70.3%
- Black %0.0%
- Asian %0.2%
- Hispanic %67.8%
- Age 0–17 %11.4%
- Age 18–64 %50.3%
- Age 65+ %38.4%
- Bachelor's+ %8.3%
- Diversity Index5/100
ZIP 85140
San Tan Valley CDP, AZ
View full profile →- White %75.9%
- Black %3.9%
- Asian %2.1%
- Hispanic %20.4%
- Age 0–17 %29.4%
- Age 18–64 %56.0%
- Age 65+ %14.6%
- Bachelor's+ %29.9%
- Diversity Index38/100
Visual comparison (same scale)
White %
70.3%75.9%
Black %
0.0%3.9%
Asian %
0.2%2.1%
Hispanic %
67.8%20.4%
Age 0–17 %
11.4%29.4%
Age 18–64 %
50.3%56.0%
Age 65+ %
38.4%14.6%
Bachelor's+ %
8.3%29.9%
Diversity Index
5/10038/100
Economy
ZIP 85618
Mammoth town, AZ
View full profile →- Median Income$48,814
- Unemployment %21.2%
- IRS Net Migration+45
- Work From Home %0.9%
ZIP 85140
San Tan Valley CDP, AZ
View full profile →- Median Income$98,668
- Unemployment %4.3%
- IRS Net Migration+1,713
- Work From Home %16.7%
Visual comparison (same scale)
Median Income
$48,814$98,668
Unemployment %
21.2%4.3%
IRS Net Migration
+45+1,713
Work From Home %
0.9%16.7%
Housing
ZIP 85618
Mammoth town, AZ
View full profile →- Median Home Value$100k
- Median Rent$718
- Owner Occupied %80.1%
- Broadband %74.8%
- Vacant %18.9%
- Median Year Built1974
ZIP 85140
San Tan Valley CDP, AZ
View full profile →- Median Home Value$412k
- Median Rent$1,573
- Owner Occupied %84.1%
- Broadband %95.5%
- Vacant %5.8%
- Median Year Built2008
Visual comparison (same scale)
Median Home Value
$100k$412k
Median Rent
$718$1,573
Owner Occupied %
80.1%84.1%
Broadband %
74.8%95.5%
Vacant %
18.9%5.8%
Median Year Built
19742008
Climate & Location
ZIP 85618
Mammoth town, AZ
View full profile →- Snow Days/Year0 days
- Elevation (ft)3,420 ft
- Nearest Airport43.2 miles (69.5 km)
- Distance to Coast381.6 miles (614.1 km)
ZIP 85140
San Tan Valley CDP, AZ
View full profile →- Snow Days/Year0 days
- Elevation (ft)1,425 ft
- Nearest Airport7.8 miles (12.5 km)
- Distance to Coast325.0 miles (523.1 km)
Visual comparison (same scale)
Snow Days/Year
0 days0 days
Elevation (ft)
3,420 ft1,425 ft
Nearest Airport
43.2 miles (69.5 km)7.8 miles (12.5 km)
Distance to Coast
381.6 miles (614.1 km)325.0 miles (523.1 km)
Infrastructure
ZIP 85618
Mammoth town, AZ
View full profile →- Work From Home %0.9%
- Walkability (0–100)21
- Broadband %74.8%
ZIP 85140
San Tan Valley CDP, AZ
View full profile →- Work From Home %16.7%
- Walkability (0–100)36
- Broadband %95.5%
Visual comparison (same scale)
Work From Home %
0.9%16.7%
Walkability (0–100)
2136
Broadband %
74.8%95.5%
Frequently Asked Questions
How do ZIP 85618 and 85140 compare?
ZIP 85618 is more affordable rent. ZIP 85140 is wealthier, higher home values, lower poverty rate, lower unemployment, more diverse, more educated, higher work-from-home share.
What do the blue and orange colors mean?
Blue represents the first ZIP (85618), orange the second (85140). 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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