Middlesex County, CT Demographics & ZIP Codes
Middlesex County, Connecticut demographics and median household income by ZIP code — 23 ZIP codes — population 164,337 — avg. income $110,007 — avg. home value $386,023. Compare income, housing, and ZIP-level data on US5.
Middlesex County demographics
Middlesex County, Connecticut covers 23 ZIP codes, with a combined ZIP-area population of about 164,337.
Median household income in Middlesex County
The average median household income across ZIP codes in Middlesex County, Connecticut is about $110,007 — about even with the CT ZIP average ($109,962), and about 46% above the U.S. median ($75,149).
Among ZIPs with income data, 06422 (Durham) is near the top at about $151,875, while 06457 (Middletown) is near the bottom at about $74,003.
Housing in Middlesex County
For housing in Middlesex County, Connecticut, the average median home value is about $386,023 and the average median rent is about $1,353.
The most populous ZIP is 06457 (Middletown) with about 46,690 residents. Use the table below to compare ZIP codes across the county.
ZIP codes in Middlesex County
Sort by population, income, or home value. Click a column header to toggle ascending / descending.
| ZIP | City | County | State | Population ↓ | Income | Home value |
|---|---|---|---|---|---|---|
| 06457 | Middletown | Middlesex County | CT | 46,690 | $74,003 | $279,500 |
| 06416 | — | Middlesex County | CT | 14,301 | $104,458 | $311,300 |
| 06413 | Clinton | Middlesex County | CT | 13,317 | $116,023 | $357,000 |
| 06424 | Lake Pocotopaug | Middlesex County | CT | 12,401 | $116,645 | $322,700 |
| 06475 | Old Saybrook Center | Middlesex County | CT | 10,515 | $119,500 | $479,100 |
| 06480 | Portland | Middlesex County | CT | 9,421 | $118,955 | $305,800 |
| 06422 | Durham | Middlesex County | CT | 7,182 | $151,875 | $405,100 |
| 06498 | Westbrook Center | Middlesex County | CT | 6,832 | $76,172 | $423,500 |
| 06419 | — | Middlesex County | CT | 6,219 | $132,739 | $388,500 |
| 06441 | Higganum | Middlesex County | CT | 5,323 | $110,574 | $379,700 |
| 06423 | Moodus | Middlesex County | CT | 5,163 | $106,217 | $374,300 |
| 06417 | Deep River Center | Middlesex County | CT | 4,432 | $86,995 | $349,300 |
| 06412 | Chester Center | Middlesex County | CT | 3,786 | $94,570 | $404,000 |
| 06426 | Essex Village | Middlesex County | CT | 3,285 | $104,028 | $719,500 |
| 06469 | Moodus | Middlesex County | CT | 3,125 | $101,855 | $307,400 |
| 06438 | Higganum | Middlesex County | CT | 3,012 | $127,905 | $376,500 |
| 06442 | — | Middlesex County | CT | 2,623 | $99,578 | $450,600 |
| 06455 | — | Middlesex County | CT | 2,592 | $114,500 | $392,500 |
| 06481 | — | Middlesex County | CT | 1,644 | $109,228 | $341,200 |
| 06459 | Middletown | Middlesex County | CT | 956 | — | — |
| 06409 | Essex Village | Middlesex County | CT | 858 | $102,623 | $366,800 |
| 06414 | — | Middlesex County | CT | 407 | $126,360 | $329,400 |
| 06456 | — | Middlesex County | CT | 253 | $125,350 | $428,800 |
Frequently asked questions
What are the demographics of Middlesex County?
Middlesex County, Connecticut has a combined ZIP-area population of about 164,337 across 23 ZIP codes. Browse the ZIP table for population, income, and housing by code.
What is the median household income in Middlesex County?
The average median household income across ZIP codes in Middlesex County, Connecticut is about $110,007, roughly in line with the state ZIP average ($109,962), and about 46% above the U.S. median ($75,149). Average median home value is about $386,023. Among ZIPs with data, 06422 (Durham) is near the top ($151,875) and 06457 (Middletown) is near the bottom ($74,003).
How many ZIP codes are in Middlesex County?
Middlesex County, Connecticut includes 23 ZIP codes on US5. Each row links to demographics, median income, and housing for that code.
Where can I find ZIP code demographics for Middlesex County?
This page lists ZIP codes in Middlesex County, Connecticut with population, median household income, and home value. Select a ZIP for a full demographics profile.