06840 vs 06851 — Compare ZIP Codes
Side-by-side comparison. Blue = ZIP 06840, Orange = ZIP 06851.
Quick verdict: ZIP 06840 is wealthier, higher home values, lower poverty rate, more educated, higher work-from-home share. ZIP 06851 is more affordable rent, lower unemployment, more diverse.
Quick Facts
ZIP 06840
New Canaan CDP, CT
View full profile →- Population20,704
- Median Income$250,001
- Median Home Value$1534k
- Median Rent$3,409
- Median Age42.5 yrs
- Poverty Rate3.3%
ZIP 06851
Norwalk city, CT
View full profile →- Population28,591
- Median Income$106,978
- Median Home Value$565k
- Median Rent$1,810
- Median Age42.3 yrs
- Poverty Rate8.2%
Visual comparison (same scale)
Population
20,70428,591
Median Income
$250,001$106,978
Median Home Value
$1534k$565k
Median Rent
$3,409$1,810
Median Age
42.5 yrs42.3 yrs
Poverty Rate
3.3%8.2%
Demographics
ZIP 06840
New Canaan CDP, CT
View full profile →- White %84.3%
- Black %1.8%
- Asian %5.9%
- Hispanic %4.7%
- Age 0–17 %27.5%
- Age 18–64 %56.4%
- Age 65+ %16.1%
- Bachelor's+ %82.8%
- Diversity Index28/100
ZIP 06851
Norwalk city, CT
View full profile →- White %56.0%
- Black %16.3%
- Asian %4.2%
- Hispanic %25.4%
- Age 0–17 %16.9%
- Age 18–64 %64.3%
- Age 65+ %18.8%
- Bachelor's+ %44.0%
- Diversity Index59/100
Visual comparison (same scale)
White %
84.3%56.0%
Black %
1.8%16.3%
Asian %
5.9%4.2%
Hispanic %
4.7%25.4%
Age 0–17 %
27.5%16.9%
Age 18–64 %
56.4%64.3%
Age 65+ %
16.1%18.8%
Bachelor's+ %
82.8%44.0%
Diversity Index
28/10059/100
Economy
ZIP 06840
New Canaan CDP, CT
View full profile →- Median Income$250,001
- Unemployment %4.8%
- IRS Net Migration+1,143
- Work From Home %31.1%
ZIP 06851
Norwalk city, CT
View full profile →- Median Income$106,978
- Unemployment %4.7%
- IRS Net Migration+1,578
- Work From Home %14.8%
Visual comparison (same scale)
Median Income
$250,001$106,978
Unemployment %
4.8%4.7%
IRS Net Migration
+1,143+1,578
Work From Home %
31.1%14.8%
Housing
ZIP 06840
New Canaan CDP, CT
View full profile →- Median Home Value$1534k
- Median Rent$3,409
- Owner Occupied %83.6%
- Broadband %97.8%
- Vacant %8.4%
- Median Year Built1967
ZIP 06851
Norwalk city, CT
View full profile →- Median Home Value$565k
- Median Rent$1,810
- Owner Occupied %60.1%
- Broadband %91.6%
- Vacant %5.6%
- Median Year Built1967
Visual comparison (same scale)
Median Home Value
$1534k$565k
Median Rent
$3,409$1,810
Owner Occupied %
83.6%60.1%
Broadband %
97.8%91.6%
Vacant %
8.4%5.6%
Median Year Built
19671967
Climate & Location
ZIP 06840
New Canaan CDP, CT
View full profile →- Snow Days/Year0 days
- Elevation (ft)190 ft
- Nearest Airport12.6 miles (20.2 km)
- Distance to Coast5.8 miles (9.4 km)
ZIP 06851
Norwalk city, CT
View full profile →- Snow Days/Year0 days
- Elevation (ft)190 ft
- Nearest Airport14.4 miles (23.2 km)
- Distance to Coast2.0 miles (3.2 km)
Visual comparison (same scale)
Snow Days/Year
0 days0 days
Elevation (ft)
190 ft190 ft
Nearest Airport
12.6 miles (20.2 km)14.4 miles (23.2 km)
Distance to Coast
5.8 miles (9.4 km)2.0 miles (3.2 km)
Infrastructure
Visual comparison (same scale)
Work From Home %
31.1%14.8%
Broadband %
97.8%91.6%
Frequently Asked Questions
How do ZIP 06840 and 06851 compare?
ZIP 06840 is wealthier, higher home values, lower poverty rate, more educated, higher work-from-home share. ZIP 06851 is more affordable rent, lower unemployment, more diverse.
What do the blue and orange colors mean?
Blue represents the first ZIP (06840), orange the second (06851). 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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