ZIP code · Ansonia · Connecticut · United States
ZIP code 06401 — Ansonia
ZIP code 06401 serves Ansonia, Connecticut.
- Postal code
- 06401Single source Value from one source, not cross-checked.
- City
- Ansonia
- County
- Naugatuck Valley FIPS 09009
- State
- Connecticut
- Country
- United States
- Coordinates
- 41.3427, -73.0742 — precision precise (locality)
View on OpenStreetMap - Population
- 19,160 (ZCTA, ACS 5-year)
- Population density
- 3,179 / sq mi
- Land area
- 6 sq mi (15.6 km²) (ZCTA, ACS 5-year)
- Median household income
- $80,953
- Per-capita income
- $44,968
- Median age
- 39.8
- Households
- 7,496
- Housing units
- 8,430
- Median home value
- $268,400
- Median gross rent
- $1,405 / month
- Congressional district
- CT-3 (119th Congress)
- USDA hardiness zone
- 6b (-5 to 0 °F)Planting / growing zone from the 2023 USDA Plant Hardiness Zone Map: average annual extreme minimum temperature, 1991–2020.
- Time zone
- America/New_York (UTC−5 / UTC−4 DST)
Tools: compare 06401 with another ZIP · ZIPs within 25 miles · distance from 06401
Map of ZIP code 06401
Climate — monthly normals
Warmest month Jul (avg high 82°F), coldest Jan (avg low 18°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 36 | 38 | 47 | 58 | 69 | 77 | 82 | 82 | 75 | 63 | 52 | 41 |
| Avg low °F | 18 | 19 | 27 | 38 | 47 | 58 | 63 | 62 | 54 | 41 | 32 | 23 |
| Precip in | 4.0 | 3.6 | 4.7 | 4.7 | 4.0 | 3.9 | 4.3 | 4.6 | 4.4 | 5.0 | 4.2 | 4.6 |
NOAA 1991–2020 climate normals from the nearest station: ANSONIA 1 NE (1.0 mi) · NOAA NCEI
Places in ZIP 06401
- 9 schools
- 2 hospitals & clinics
- 1 doctors & dentists
- 1 pharmacies
- 1 supermarkets
- 9 restaurants & cafés
- 9 parks
- 6 playgrounds
- 1 gyms & sports centres
- 1 libraries
- 25 places of worship
- 1 banks
- 6 gas stations
- 6 police & fire stations
Places mapped inside this ZIP’s ZCTA area in OpenStreetMap. OSM is community-maintained: counts reflect what has been mapped, and completeness varies by area — treat them as at-least figures. © OpenStreetMap contributors (ODbL) · Methodology
About this page
US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.
GeoNames · U.S. Census Bureau (ACS) · U.S. Census Bureau · NOAA NCEI · usda-phzm. Data generated on 2026-08-21. Methodology · Report an error on this page