Marlborough, CT ZIP code
The ZIP code for Marlborough, Connecticut is 06447. It is in Hartford County.
- Population in these ZIPs
- 6,130
- Avg. median income
- $142,100population-weighted
- Typical home value
- $473,800population-weighted
- Metro area
- Hartford-West Hartford-East Hartford, CT
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Marlborough, CT ZIP code list
| ZIP code | Population | Median income | Typical home value |
|---|---|---|---|
| 06447 | 6,130 | $142,105 | $473,800 |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Cities near Marlborough
- Hebron 4 mi
- Amston 4 mi
- East Hampton 6 mi
- South Glastonbury 6 mi
- Cobalt 7 mi
- Glastonbury 7 mi
- Portland 7 mi
- Andover 8 mi
- Colchester 8 mi
- Middle Haddam 8 mi
- Columbia 9 mi
- Bolton 9 mi
Frequently asked questions
What is the ZIP code for Marlborough, CT?
The ZIP code for Marlborough, CT is 06447.
What county is Marlborough, Connecticut in?
Marlborough ZIP codes are in Hartford County.