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HARTFORDBUSINESS.COM | DECEMBER 15, 2025 25 THE LISTS Wealthiest ZIP codes in Connecticut Ranked by ESRI wealth indicators, 2025 estimates ZIP code County Population No. of households Average household size Average household income/ median household income (1) Average net worth/ median net worth Average home value/ median home value 1 06820 Darien Fairfield 21,782 6,988 3.11 $454,702 $270,751 $5,108,707 $2,000,001 $1,624,133 $1,698,844 2 06883 Weston Fairfield 10,071 3,428 2.94 $358,023 $244,820 $5,579,035 $2,000,001 $1,122,577 $958,293 3 06840 New Canaan Fairfield 20,670 6,994 2.94 $403,723 $241,587 $4,934,045 $2,000,001 $1,568,055 $1,591,336 4 06853 Norwalk Fairfield 3,568 1,349 2.64 $375,646 $237,212 $5,184,196 $2,000,001 $1,490,002 $1,455,819 5 06878 Riverside Fairfield 8,565 2,761 3.1 $403,868 $247,816 $4,821,495 $1,981,319 $1,611,898 $1,682,281 6 06880 Westport Fairfield 26,964 9,807 2.74 $357,893 $226,624 $4,823,085 $1,893,972 $1,492,461 $1,427,663 7 06831 Greenwich Fairfield 15,378 5,607 2.71 $366,784 $215,388 $4,711,091 $1,738,910 $1,484,512 $1,449,753 8 06897 Wilton Fairfield 18,431 6,273 2.89 $336,174 $237,109 $4,992,587 $2,000,001 $999,354 $898,026 9 06903 Stamford Fairfield 14,146 5,031 2.78 $308,981 $216,490 $5,257,924 $2,000,001 $958,879 $865,706 10 06870 Old Greenwich Fairfield 7,499 2,576 2.9 $358,258 $225,581 $4,513,890 $1,702,935 $1,626,334 $1,718,130 Sources: Esri Updated Demographics; Esri, 2025. All rights reserved. Esri and U.S. Census Bureau. Note: ZIP codes with fewer than 100 households and a population of less than 200 were omitted from the list. Entries that are tied have the same Esri 2025 wealth index (not shown). (1) Median household income caps at $200,001; cities listed with this figure have a median household income of $200,001 or greater. -Compiled by Heide Martin, hmartin@nebusinessmedia.com WEALTHIEST ZIP CODES IN CONNECTICUT Ranked by ESRI wealth indicators, 2025 estimates NOMINATION DEADLINE JANUARY 9, 2026 NOMINATION DEADLINE JANUARY 9, 2026 VISIT HARTFORDBUSINESS.COM/HBJ-EVENTS OR SCAN HERE FOR DETAILS & NOMINATIONS Our Women in Business Awards celebrate and recognize the outstanding contributions of women leaders in the business world who are making a difference throughout Connecticut. NOMINATE TODAY! NOMINATE TODAY!