Connecticut ZIP Codes & Demographics
Connecticut capital is Hartford (CT); borders Massachusetts, New York, Rhode Island. Connecticut ZIP codes, demographics, and median household income — 288 ZIP codes — population 3,598,348 — avg. income $109,962 — avg. home value $408,186. Compare counties, cities, and ZIP-level data on US5.
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Quick facts about Connecticut
Capital, postal abbreviation, region, and land neighbors — then ZIP demographics below.
- Capital
- Hartford
- Abbreviation
- CT
- Region
- Northeast
- State bird
- American robin
- State flower
- Mountain laurel
- Motto
- He who transplanted still sustains
- Neighboring states (land borders)
Connecticut demographics
Connecticut has 288 ZIP codes across 8 counties on US5, with a combined ZIP-area population of about 3,598,348.
Across ZIP codes with age data, the average median age is about 43.8 years.
Among cities represented in this ZIP set, Stamford is among the largest population centers.
Median household income in Connecticut
The average median household income across ZIP codes in Connecticut is about $109,962 — about 46% above the U.S. median ($75,149).
Among ZIPs with income data, 06820 (Tokeneke) is near the top at about $250,001, while 06702 (Waterbury) is near the bottom at about $16,198.
Housing in Connecticut
For housing in Connecticut, the average median home value is about $408,186 and the average median rent is about $1,347.
The most populous ZIP is 06902 (Stamford) with about 72,915 residents. Use the table below to compare ZIP codes across the state.
ZIP codes in Connecticut
Sort by population, income, or home value. Click a column header to toggle ascending / descending.
Frequently asked questions
What is the capital of Connecticut?
The capital of Connecticut is Hartford. See Quick Facts above for abbreviation, region, and neighbors, then browse ZIP demographics below.
What is the abbreviation for Connecticut?
Connecticut’s USPS postal abbreviation is CT.
What states border Connecticut?
Connecticut shares land borders with Massachusetts, New York, Rhode Island. Practice adjacency in the neighboring-states quiz; confirm the list in Quick Facts on this page.
How many ZIP codes are in Connecticut?
Connecticut has 288 ZIP codes on US5 across 8 counties. Each row links to demographics, median income, and housing for that code.
What are the demographics of Connecticut?
Connecticut has a combined ZIP-area population of about 3,598,348 across 288 ZIP codes. Browse the table on this page for population, income, and housing by ZIP.
What is the median household income in Connecticut?
The average median household income across ZIP codes in Connecticut is about $109,962, about 46% above the U.S. median ($75,149). Average median home value is about $408,186. Among ZIPs with data, 06820 (Tokeneke) is near the top ($250,001) and 06702 (Waterbury) is near the bottom ($16,198).
Where can I find ZIP code lists for Connecticut?
This page lists ZIP codes in Connecticut with population, median household income, and home value. Sort the table or open a ZIP for a full demographics profile.
ZIP rankings in Connecticut
Explore curated boards for highest income, largest population, and most affordable home values.
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