Every ZIP code in the United States, with weather, radar, trivia and the numbers behind it. Five digits since 1963!

ZIP stands for Zone Improvement Plan. The codes went live on July 1, 1963.The lowest ZIP code is 00501 — the IRS in Holtsville, New York.The highest ZIP code is 99950, in Ketchikan, Alaska.Type 07734 into a calculator and turn it upside down: hELLO. It is Keansburg, New Jersey.12345 belongs to one company: General Electric in Schenectady, New York.The first digit is a region: 0 is New England and New Jersey, 9 is the West Coast, Alaska and Hawaii.Mr. ZIP, the cartoon mailman, was the mascot that sold the idea to America.ZIP+4 arrived in 1983 and can narrow a ZIP down to one side of one block.A ZIP code is a mail route, not a place: plenty of them cross county and even state lines.Play ZIP Hunt: guess the secret ZIP code of the day in six tries.
zipcodes.pro — RANKINGS/CT/HIGHEST-MEDIAN-INCOME

ZIP Codes With the Highest Median Household Income in Connecticut

What this measures. Median household income, American Community Survey 5-year estimate. Source: Census American Community Survey, data release 2026-10-12.

# ZIP City County Median household income
1 06022 Collinsville Hartford $250,000+
2 06753 Cornwall Litchfield $250,000+
3 06820 Darien Fairfield $250,000+
4 06840 New Canaan Fairfield $250,000+
5 06853 Norwalk Fairfield $250,000+
6 06870 Old Greenwich Fairfield $250,000+
7 06878 Riverside Fairfield $250,000+
8 06880 Westport Fairfield $250,000+
9 06883 Weston Fairfield $250,000+
10 06897 Wilton Fairfield $242,199
11 06831 Greenwich Fairfield $227,159
12 06612 Easton Fairfield $222,604
13 06890 Southport Fairfield $218,841
14 06092 West Simsbury Hartford $204,458
15 06903 Stamford Fairfield $204,028
16 06073 South Glastonbury Hartford $201,477
17 06824 Fairfield Fairfield $193,300
18 06807 Cos Cob Fairfield $192,115
19 06525 New Haven New Haven $188,750
20 06439 Hadlyme New London $187,083
21 06896 Redding Fairfield $186,060
22 06755 Gaylordsville Litchfield $185,119
23 06877 Ridgefield Fairfield $179,219
24 06107 West Hartford Hartford $174,844
25 06117 West Hartford Hartford $171,707
26 06443 Madison New Haven $168,462
27 06231 Amston Tolland $168,313
28 06524 Bethany New Haven $166,236
29 06013 Burlington Hartford $165,120
30 06611 Trumbull Fairfield $163,073
31 06070 Simsbury Hartford $162,424
32 06756 Goshen Litchfield $160,815
33 06482 Sandy Hook Fairfield $159,828
34 06752 Bridgewater Litchfield $159,365
35 06422 Durham Middlesex $158,857
36 06468 Monroe Fairfield $157,250
37 06376 South Lyme New London $156,000
38 06001 Avon Hartford $153,664
39 06470 Newtown Fairfield $153,238
40 06090 West Granby Hartford $151,118
41 06033 Glastonbury Hartford $149,962
42 06804 Brookfield Fairfield $148,945
43 06830 Greenwich Fairfield $146,654
44 06410 Cheshire New Haven $145,179
45 06074 South Windsor Hartford $144,961
46 06477 Orange New Haven $142,325
47 06447 Marlborough Hartford $142,105
48 06085 Unionville Hartford $141,023
49 06032 Farmington Hartford $140,912
50 06419 Killingworth Middlesex $140,655

Showing the top 50 of 273 ZIP codes in Connecticut that have this figure . 06022 ranks 1st at $250,000+, against $140,655 in 50th place.

Other rankings for Connecticut

Cite this page

zipcodes.pro. “ZIP Codes With the Highest Median Household Income in Connecticut.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/rankings/ct/highest-median-income

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