| ZIP Codes: | 40 ZIP Codes (27 Standard, 11 PO Box, 2 Unique) [See All] |
| Area Codes: | 203 / 475 / 860 / 959 |
| Timezone: | Eastern (GMT -05:00) |
| Local Time: | 11:12:49 PM |
| Population: | 2,018 [See All] |
| FIPS: | 09110 |
| CBSA: | Hartford-West Hartford-East Hartford, CT |
| Land Area: | 421 sq mi |
| Water Area: | 23 sq mi |
| Coordinates: | 41.7925, -72.1275 |
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455,072 residents live across 40 ZIPs covering 421 sq mi, served by 23 distinct USPS-recognized cities.
Population moved from 448,698 to 455,072 from 2014 to 2024 — a +1.4% change. 12 ZIPs gained residents, 14 lost.
The planning region's wealthiest ZIP 06410 (Cheshire, $145,179 median) and poorest ZIP 06702 (Waterbury, $14,474) are 9.3 miles apart — a 10.0× income gap across local geography.
Median home values vary 2.5× across this planning region — from $192,000 in 06704 (Waterbury) to $476,400 in 06762 (Middlebury).
Density varies 58× across the planning region — from 178 people/sq mi in 06751 (Bethlehem) to 10,231 in 06710 (Waterbury).
Most of the decade's growth concentrated around Waterbury — top growth ZIPs averaged +11.0% over the past ten years ( 06704 , 06706 and 06484 ).
Educational attainment ranges from 9.6% bachelor's+ in 06702 (Waterbury) to 60.8% in 06410 (Cheshire) — the breadth of educational profiles across the area.
Within Connecticut, this is the #22 most populous of 22 planning regions and ranks #16 for median household income .
Weighted by population, the typical household earns about $91,507 across the planning region — reflecting what a typical resident sees, not a simple ZIP average.
33.8% of adults age 25+ hold a bachelor's degree or higher (110,362 of 326,362 reporting).
27 Standard delivery, 11 PO Box only, 2 single-entity Unique ZIPs serve this planning region.
1 ZIP in this planning region where more than 60% of adults 25+ hold a bachelor's degree — typically college campuses, research enclaves, or tech corridors.
Median household income spans 10.0× between the wealthiest and poorest ZIPs — a sign of significant intra-county inequality.
Naugatuck Vly Planning Region lost 9.3% of residents between 2014 and 2024.
| ZIP | City | Type | Population | Median Income | Area (sq mi) | 10-yr Growth |
|---|---|---|---|---|---|---|
| 06010 | Bristol | Standard | 61,684 | $79,314 | 26.8 | 1.9% |
| 06484 | Shelton | Standard | 41,889 | $108,185 | 32.3 | 3.5% |
| 06770 | Naugatuck | Standard | 31,823 | $96,208 | 16.6 | -0.3% |
| 06704 | Waterbury | Standard | 31,713 | $48,718 | 8.3 | 21.9% |
| 06708 | Waterbury | Standard | 29,594 | $67,364 | 9.7 | 2.7% |
| 06410 | Cheshire | Standard | 28,904 | $145,179 | 32.7 | -1.1% |
| 06705 | Waterbury | Standard | 25,266 | $53,954 | 6.0 | -8.2% |
| 06488 | Southbury | Standard | 20,071 | $112,887 | 40.0 | 1.0% |
| 06401 | Ansonia | Standard | 19,315 | $86,178 | 6.2 | 1.0% |
| 06483 | Seymour | Standard | 16,889 | $107,708 | 15.0 | 2.0% |
| 06716 | Wolcott | Standard | 16,113 | $111,225 | 20.8 | -3.7% |
| 06706 | Waterbury | Standard | 15,551 | $52,242 | 3.8 | 7.6% |
| 06795 | Watertown | Standard | 13,889 | $104,850 | 26.3 | 0.4% |
| 06478 | Oxford | Standard | 12,991 | $128,953 | 33.3 | 1.2% |
| 06418 | Derby | Standard | 12,205 | $78,542 | 5.4 | -4.9% |
| 06710 | Waterbury | Standard | 9,942 | $37,191 | 1.0 | -1.4% |
| 06798 | Woodbury | Standard | 9,833 | $131,480 | 36.8 | -0.2% |
| 06786 | Terryville | Standard | 9,768 | $87,306 | 14.7 | -1.5% |
| 06712 | Prospect | Standard | 9,458 | $126,394 | 14.6 | -1.6% |
| 06779 | Oakville | Standard | 8,364 | $95,798 | 3.2 | -0.7% |
| 06762 | Middlebury | Standard | 7,807 | $133,487 | 18.4 | 3.1% |
| 06787 | Thomaston | Standard | 7,509 | $103,102 | 12.1 | -3.6% |
| 06403 | Beacon Falls | Standard | 6,147 | $101,516 | 9.8 | 2.6% |
| 06751 | Bethlehem | Standard | 3,423 | $108,929 | 19.3 | -2.4% |
| 06702 | Waterbury | Standard | 2,946 | $14,474 | 0.6 | -3.1% |
| 06782 | Plymouth | Standard | 1,978 | $124,708 | 7.6 | -8.9% |
| 06703 | Waterbury | PO Box | — | — | 0.0 | — |
| 06408 | Cheshire | Unique | — | — | 0.0 | — |
| 06411 | Cheshire | Unique | — | — | 0.0 | — |
| 06487 | South Britain | PO Box | — | — | 0.0 | — |
| 06724 | Waterbury | PO Box | — | — | 0.0 | — |
| 06722 | Waterbury | PO Box | — | — | 0.0 | — |
| 06720 | Waterbury | PO Box | — | — | 0.0 | — |
| 06721 | Waterbury | PO Box | — | — | 0.0 | — |
| 06723 | Waterbury | PO Box | — | — | 0.0 | — |
| 06726 | Waterbury | PO Box | — | — | 0.0 | — |
| 06725 | Waterbury | PO Box | — | — | 0.0 | — |
| 06701 | Waterbury | Standard | — | — | 0.0 | — |
| 06781 | Pequabuck | PO Box | — | — | 0.0 | — |
| 06011 | Bristol | PO Box | — | — | 0.0 | — |