Residential delivery area · Connecticut
ZIP Code 06443: Madison, CT
ZIP code 06443 uses the postal name Madison, Connecticut and lies entirely in New Haven County (Census 2020 ZIP-county file). About 18,000 people live there (Census Bureau, ACS 2020-2024). Median household income is $168,462 (Census Bureau, ACS 2020-2024). By Census place, 6% of its land lies in Madison Center (a census-designated place); 94% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Madison · its only residential ZIP
- County
- New Haven County
- Census places
- Madison Center census-designated place
- House district
- CT-2 119th Congress
- State
- Connecticut
- Time zone
- Eastern
- Land area
- 36.2 sq mi · 488 people per sq mi
Where is ZIP code 06443?
06443 centers on 41.344°, -72.625° and covers 36.2 square miles of land plus 1.7 of water. It borders 4 ZIP codes: 06419, 06437, 06413, 06422.
The map draws ZIP code areas only. For the streets inside 06443, open its center on OpenStreetMap.
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries and the 2023 Gazetteer (2020 ZCTAs); ZIP-to-county shares, Census places and House districts (119th Congress) from the Census 2020 relationship files (shares of land); metro area from the OMB delineation (July 2023); town name and time zone from simplemaps US ZIP Codes (CC BY 4.0).
How does 06443 compare with the rest of New Haven County?
| Measure | 06443 | In New Haven County | In CT |
|---|---|---|---|
| People (ACS 2020-2024) | 17,657 | 22nd of 41 | 79th of 288 |
| Median household income | $169k | 2nd of 37 | 22nd of 228 |
| Median home value | $585k | 2nd of 40 | 30th of 245 |
Its median household income is higher than in 98% of U.S. residential ZIP codes, and it is denser than 72% of all U.S. residential ZIP codes. ZIP codes at the ACS caps ($250,000 or more for household income, $2,000,000 or more for home value) share the top rank.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B19013, B25077); ranks by PlainZIP over residential ZIP codes (ZCTAs).
How many people live in 06443?
The 2020 Census counted 17,713 people in 06443; the ACS, which samples households over 2020-2024, estimates 17,657. Between the 2010 and 2020 censuses its population fell 3.0% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 17,657
- 2020 Census count
- 17,713−3.0% since 2010 (18,269)
- Households
- 7,020
- Median age
- 51.8
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B01002, B11001); 2020 Census (DHC P1); 2010 Census (SF1 P1).
Who lives in 06443?
Of the 17,657 people the ACS estimates in 06443, 18.1% are under 18 and 25.1% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (84.5%).
- Under 1818.1%
- 18 to 6456.7%
- 65 and older25.1%
- White, not Hispanic84.5%
- Other or two or more5.3%
- Asian, not Hispanic5.1%
- Hispanic or Latino4.3%
- Black, not Hispanic0.8%
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01001 age by sex, B03002 Hispanic or Latino origin by race); shares of the estimated population, small ZIP codes carry wide margins.
What do households in 06443 earn?
Median household income is $168,462 (ACS 2020-2024), the 2nd highest of the 37 ranked ZIP codes in New Haven County. It rose from $139,629 in 2015-2019 (in 2024 dollars), a change larger than the surveys' margins of error.
- Median household income
- $168,462
- Income per person
- $86,173
- Below the poverty line
- 3.6%
- Unemployed (of the labor force)
- 5.3%
- Adults 25+ with a bachelor's degree
- 72.5%
- Adjusted gross income per tax return, 2022
- $237,7929,150 returns; wages 56% of AGI (IRS)
Source: U.S. Census Bureau, ACS 2020-2024 and 2015-2019 5-year estimates (B19013, B19301, B17001, B23025, B15003; 2015-2019 dollars converted with the BLS CPI-U, 1.22699); IRS Statistics of Income, ZIP code data, tax year 2022 (adjusted gross income per return, filed under the address on the return).
What are homes worth in 06443?
FHFA's house price index for 06443, built from repeat sales and appraisals of the same homes, rose 74% from 2015 to 2025 and rose 64% from 2020 to 2025, and moved +7.0% in 2025.
- Median home value (owners' estimate)
- $584,900
- Median gross rent
- $2,025
- Homes owned by their occupants
- 90.4%
- Housing units
- 7,963
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001); FHFA House Price Index, annual five-digit ZIP, updated 2026-03-31.
What businesses are in 06443?
517 business establishments had a location in this ZIP code in 2023, 11 more than in 2018; the most are in professional, scientific, and technical services (ZIP Code Business Patterns).
- Professional, scientific, and technical services78
- Health care and social assistance64
- Retail trade62
- Accommodation and food services49
- Other services (except public administration)48
- Construction46
Source: U.S. Census Bureau, ZIP Code Business Patterns 2023 and 2018 (establishments with paid employees, by the business's ZIP code).
Which ZIP codes are next to 06443?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 06419 | Killingworth | 6,240 | $141k | 3.2 mi |
| 06437 | Guilford | 22,067 | $138k | 3.9 mi |
| 06413 | Clinton | 13,377 | $125k | 6.0 mi |
| 06422 | Durham | 7,208 | $159k | 9.1 mi |
| 06471 | North Branford | 7,140 | $109k | 7.7 mi (near) |
| 06417 | Deep River | 4,458 | $90k | 7.8 mi (near) |
| 06498 | Westbrook | 6,856 | $91k | 8.1 mi (near) |
| 06472 | Northford | 6,363 | $106k | 8.4 mi (near) |
| 06412 | Chester | 3,825 | $109k | 8.5 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.