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City ZIP codes · Connecticut

Danbury, CT ZIP Codes

6 ZIP codes use the postal name Danbury, Connecticut (Census 2020 ZCTAs and GeoNames postal codes, October 2026): 2 residential and 4 for PO boxes or a single organization. Median household income runs from $76,933 in 06810 to $104,640 in 06811, 1.4 times as much (Census Bureau, ACS 2020-2024). Danbury's most populous ZIP code is 06810, with 55,833 people (ACS 2020-2024); 100% of its land is in the city of Danbury.

  • ACS2020-24
  • Census2020
  • GeoNames2026

Where are Danbury's ZIP codes?

06810: $77k median household income06811: $105k median household income068100681106810: $77k median household income06811: $105k median household income068100681106810: $77k median household income06811: $105k median household income0681006811
The 2 residential ZIP codes named Danbury, shaded by median household income in national fifths (ACS 2020-2024). Select a ZIP to open it. <$54.1k$98.1k+no figure

Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).

How different are Danbury's ZIP codes?

The highest median household income is in 06811 ($104,640), the lowest in 06810 ($76,933). Home values run from $402,100 in 06810 to $421,200 in 06811.

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013, B25077, B01003).

All 2 residential ZIP codes of Danbury

Residential ZIP codes with the postal name Danbury, CT, largest first (ACS 2020-2024); sort by any column
County
06810 Fairfield County 55,833 2,670 $77k $402k
06811 Fairfield County 31,228 1,487 $105k $421k

Download the 6 ZIP codes as CSV

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; 2023 Gazetteer land areas (2020 ZCTAs); town names from simplemaps US ZIP Codes (CC BY 4.0) and GeoNames (CC BY 4.0).

PO Box and single-organization ZIP codes in Danbury

4 ZIP codes named Danbury have no residential delivery area: post office boxes, or one organization (a large employer, an agency, a university) with its own code. The Census Bureau publishes no figures for them.

Danbury, CT: ZIP codes without a residential area, for PO boxes or one organization (GeoNames postal codes; USPS does not publish openly which is which)
ZIPCounty
06813Fairfield County
06814Fairfield County
06816Fairfield County
06817Fairfield County

Source: GeoNames postal codes (CC BY 4.0); a ZIP code with no Census ZCTA has no residential delivery area.

Which counties do Danbury's ZIP codes reach?

Danbury's residential ZIP codes lie in Fairfield County.

Which first three digits do Danbury's ZIP codes use?

The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Every ZIP code of Danbury starts with 068.

Three-digit prefixes of Danbury's ZIP codes, the sectional center for each (USPS labeling list L005, effective October 1, 2026) and how many of the prefix's codes are Danbury's
PrefixSectional centerHereAll codes
068 Westchester, NY (SCF 105) 6 44

Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.