ZIP code · Waterbury · Connecticut · United States

ZIP code 06705 — Waterbury

ZIP code 06705 serves Waterbury, Connecticut.

Postal code
06705
Single source Value from one source, not cross-checked.
City
Waterbury
County
Naugatuck Valley FIPS 09009
State
Connecticut
Country
United States
Coordinates
41.5503, -72.9963 — precision precise (locality)
View on OpenStreetMap
Population
26,352 (ZCTA, ACS 5-year)
Population density
4,665 / sq mi
Land area
5.6 sq mi (14.6 km²) (ZCTA, ACS 5-year)
Median household income
$53,169
Per-capita income
$32,204
Median age
41.5
Households
11,206
Housing units
12,222
Median home value
$177,700
Median gross rent
$1,165 / month
Congressional district
CT-5 (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)
Area codes
203, 475
Telephone area codes serving this ZIP (NANPA central-office assignments). A ZIP and an area code are different boundaries; at a border both codes may apply.

Climate — monthly normals

Warmest month Jul (avg high 84°F), coldest Jan (avg low 19°F).

JanFebMarAprMayJunJulAugSepOctNovDec
Avg high °F373948607079848275645242
Avg low °F192028384857636154423225
Precip in3.02.94.04.13.54.03.43.54.34.53.44.1

NOAA 1991–2020 climate normals from the nearest station: MERIDEN MARKHAM MUNI AP (9.1 mi) · NOAA NCEI

Places in ZIP 06705

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