City ZIP codes · Connecticut
Hartford, CT ZIP Codes
36 ZIP codes use the postal name Hartford, Connecticut (Census 2020 ZCTAs and GeoNames postal codes, October 2026): 6 residential and 30 for PO boxes or a single organization. Median household income runs from $34,830 in 06120 to $71,677 in 06103, 2.1 times as much (Census Bureau, ACS 2020-2024). Hartford's most populous ZIP code is 06106, with 36,322 people (ACS 2020-2024); 100% of its land is in the city of Hartford.
- ACS2020-24
- Census2020
- GeoNames2026
Where are Hartford's ZIP codes?
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).
How different are Hartford's ZIP codes?
The highest median household income is in 06103 ($71,677), the lowest in 06120 ($34,830). Home values run from $184,400 in 06120 to $402,300 in 06105.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013, B25077, B01003).
All 6 residential ZIP codes of Hartford
| County | |||||
|---|---|---|---|---|---|
| 06106 | Hartford County | 36,322 | 8,719 | $46k | $214k |
| 06114 | Hartford County | 26,458 | 6,541 | $52k | $233k |
| 06112 | Hartford County | 22,333 | 7,522 | $45k | $208k |
| 06105 | Hartford County | 19,174 | 8,462 | $42k | $402k |
| 06120 | Hartford County | 13,926 | 3,944 | $35k | $184k |
| 06103 | Hartford County | 2,949 | 5,084 | $72k | $275k |
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 Hartford
30 ZIP codes named Hartford 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.
| ZIP | County |
|---|---|
| 06101 | Hartford County |
| 06102 | Hartford County |
| 06104 | Hartford County |
| 06115 | Hartford County |
| 06123 | Hartford County |
| 06126 | Hartford County |
| 06132 | Hartford County |
| 06134 | Hartford County |
| 06140 | Hartford County |
| 06141 | Hartford County |
| 06142 | Hartford County |
| 06143 | Hartford County |
| 06144 | Hartford County |
| 06145 | Hartford County |
| 06146 | Hartford County |
| 06147 | Hartford County |
| 06150 | Hartford County |
| 06151 | Hartford County |
| 06152 | Hartford County |
| 06153 | Hartford County |
| 06154 | Hartford County |
| 06155 | Hartford County |
| 06156 | Hartford County |
| 06160 | Hartford County |
| 06161 | Hartford County |
| 06167 | Hartford County |
| 06176 | Hartford County |
| 06180 | Hartford County |
| 06183 | Hartford County |
| 06199 | Hartford County |
Source: GeoNames postal codes (CC BY 4.0); a ZIP code with no Census ZCTA has no residential delivery area.
Which counties do Hartford's ZIP codes reach?
Hartford's residential ZIP codes lie in Hartford County.
Which places do Hartford's ZIP codes cover?
A postal name is not a city limit. By the Census Bureau's places, Hartford's residential ZIP codes cover Hartford itself and 1 other place, each listed with the ZIP codes that have at least 5% of their land in it or hold most of the place:
- West Hartford census-designated 06105
Source: U.S. Census Bureau, 2020 ZCTA-to-place relationship file (shares of land).
Which first three digits do Hartford'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 Hartford starts with 061.
| Prefix | Sectional center | Here | All codes |
|---|---|---|---|
| 061 | Hartford, CT (SCF 060) | 36 | 51 |
Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.