| ZIP Codes: | 48 ZIP Codes (24 Standard, 18 PO Box, 6 Unique) [See All] |
| Area Codes: | 203 / 475 / 860 / 959 |
| Timezone: | Eastern (GMT -05:00) |
| Local Time: | 2:11:35 PM |
| Population: | 35,694 [See All] |
| FIPS: | 09130 |
| CBSA: | Hartford-West Hartford-East Hartford, CT |
| Land Area: | 378 sq mi |
| Water Area: | 30 sq mi |
| Coordinates: | 41.5378, -72.7754 |
| Quick Link: |
570,734 residents live across 48 ZIPs covering 378 sq mi, served by 16 distinct USPS-recognized cities.
Population moved from 571,147 to 570,734 from 2014 to 2024 — a -0.1% change. 12 ZIPs gained residents, 12 lost.
The planning region's wealthiest ZIP 06525 (Woodbridge, $188,750 median) and poorest ZIP 06513 (New Haven, $48,500) are 7.2 miles apart — a 3.9× income gap across local geography.
Median home values vary 2.8× across this planning region — from $235,500 in 06513 (New Haven) to $651,800 in 06510 (New Haven).
Density varies 72× across the planning region — from 248 people/sq mi in 06524 (Bethany) to 17,906 in 06510 (New Haven).
Educational attainment ranges from 19.3% bachelor's+ in 06513 (New Haven) to 80.2% in 06510 (New Haven) — the breadth of educational profiles across the area.
Within Connecticut, this is the #14 most populous of 22 planning regions and ranks #22 for median household income .
Hosts 4 single-entity Unique ZIPs: 06537Advertising Distr Co ; 06538Advertising Distr Co ; 06540Conn Bank & Trust Co ; and 06495International Masters Pub .
Weighted by population, the typical household earns about $94,247 across the planning region — reflecting what a typical resident sees, not a simple ZIP average.
42.0% of adults age 25+ hold a bachelor's degree or higher (168,064 of 399,796 reporting).
24 Standard delivery, 18 PO Box only, 6 single-entity Unique ZIPs serve this planning region.
4 ZIPs in this planning region where more than 60% of adults 25+ hold a bachelor's degree — typically college campuses, research enclaves, or tech corridors.
6 ZIP codes in this planning region serve a single facility — typically theme parks, universities, large corporations, airports, or government complexes.
Median household income spans 3.9× between the wealthiest and poorest ZIPs — a sign of significant intra-county inequality.
| ZIP | City | Type | Population | Median Income | Area (sq mi) | 10-yr Growth |
|---|---|---|---|---|---|---|
| 06516 | West Haven | Standard | 55,351 | $74,382 | 10.9 | 0.1% |
| 06511 | New Haven | Standard | 54,730 | $59,969 | 5.9 | 3.9% |
| 06492 | Wallingford | Standard | 44,498 | $105,061 | 40.6 | -1.5% |
| 06513 | New Haven | Standard | 38,888 | $48,500 | 7.6 | -4.4% |
| 06460 | Milford | Standard | 37,649 | $104,360 | 13.4 | -1.3% |
| 06450 | Meriden | Standard | 35,694 | $71,250 | 14.1 | -3.5% |
| 06512 | East Haven | Standard | 28,830 | $96,146 | 11.3 | 0.7% |
| 06405 | Branford | Standard | 28,217 | $105,225 | 22.6 | 1.2% |
| 06514 | Hamden | Standard | 26,803 | $88,900 | 11.7 | -0.9% |
| 06451 | Meriden | Standard | 24,851 | $71,255 | 10.0 | 4.6% |
| 06473 | North Haven | Standard | 24,743 | $132,829 | 21.9 | 2.1% |
| 06437 | Guilford | Standard | 22,067 | $137,615 | 47.7 | -1.5% |
| 06518 | Hamden | Standard | 20,126 | $106,692 | 16.1 | 4.3% |
| 06515 | New Haven | Standard | 19,006 | $73,709 | 4.6 | 2.9% |
| 06443 | Madison | Standard | 17,657 | $168,462 | 37.0 | -3.4% |
| 06519 | New Haven | Standard | 15,605 | $49,619 | 1.8 | -5.6% |
| 06461 | Milford | Standard | 15,035 | $133,221 | 10.2 | 0.9% |
| 06477 | Orange | Standard | 14,315 | $142,325 | 17.1 | 2.6% |
| 06517 | Hamden | Standard | 14,221 | $104,550 | 5.4 | -6.7% |
| 06525 | Woodbridge | Standard | 9,073 | $188,750 | 19.3 | 1.2% |
| 06471 | North Branford | Standard | 7,140 | $109,388 | 10.8 | -10.5% |
| 06472 | Northford | Standard | 6,363 | $105,729 | 16.1 | -3.6% |
| 06524 | Bethany | Standard | 5,288 | $166,236 | 21.3 | -4.7% |
| 06510 | New Haven | Standard | 4,584 | $58,913 | 0.3 | 78.3% |
| 06520 | New Haven | PO Box | — | — | 0.0 | — |
| 06537 | New Haven | Unique | — | — | 0.0 | — |
| 06538 | New Haven | Unique | — | — | 0.0 | — |
| 06540 | New Haven | Unique | — | — | 0.0 | — |
| 06532 | New Haven | PO Box | — | — | 0.0 | — |
| 06535 | New Haven | PO Box | — | — | 0.0 | — |
| 06534 | New Haven | PO Box | — | — | 0.0 | — |
| 06533 | New Haven | PO Box | — | — | 0.0 | — |
| 06536 | New Haven | PO Box | — | — | 0.0 | — |
| 06531 | New Haven | PO Box | — | — | 0.0 | — |
| 06530 | New Haven | PO Box | — | — | 0.0 | — |
| 06504 | New Haven | PO Box | — | — | 0.0 | — |
| 06503 | New Haven | PO Box | — | — | 0.0 | — |
| 06502 | New Haven | PO Box | — | — | 0.0 | — |
| 06501 | New Haven | PO Box | — | — | 0.0 | — |
| 06521 | New Haven | PO Box | — | — | 0.0 | — |
| 06508 | New Haven | PO Box | — | — | 0.0 | — |
| 06509 | New Haven | PO Box | — | — | 0.0 | — |
| 06507 | New Haven | PO Box | — | — | 0.0 | — |
| 06505 | New Haven | PO Box | — | — | 0.0 | — |
| 06506 | New Haven | PO Box | — | — | 0.0 | — |
| 06495 | Wallingford | Unique | — | — | 0.0 | — |
| 06494 | Wallingford | Unique | — | — | 0.0 | — |
| 06493 | Wallingford | Unique | — | — | 0.0 | — |