New London
Source:
Connecticut
New London is a major-metro county in Connecticut with 31 ZIP codes, 275,315 people, and top-decile household income among US counties. All data is sourced from the U.S. Census Bureau American Community Survey (ACS) 2023 5-Year Estimates.
National county placement
According to ACS 5-Year Estimates, New London, CT sits among US counties with a top-decile household income, on a major-metro county population base, across a multi-ZIP patchwork.
- Top 5%
- household income vs 3,210 US counties
- 275,315
- combined ZIP population
- 31
- USPS ZIP codes covered
- $105,281
- avg ZIP median income
Income percentile ranks this county's average ZIP median household income against 3,210 US counties with ACS income on at least one ZIP.
New London lands in the national county income distribution as top-decile household income on major-metro county footing (FIPS 09011, 31 ZIPs, combined population 275,315). Sort the ZIP table by population before treating the county mean as uniform.
High-income counties with wide ZIP mosaics hide sharp internal gradients. The densest ZIP here is 06360 (Norwich) with 37,541 residents - open it beside a thin rural code from the table before treating the county mean as uniform. HUD Fair Market Rents and FBI county tables attach to FIPS 09011, so scorecards stay county-keyed while household income stays ZIP-keyed.
Save two ZIPs from the table into your shortlist, then open a compare link - that is the return path a static county summary cannot replace. All figures here come from Census ACS 2023 5-Year Estimates and USPS ZCTA files.
31
Total ZIPs
275,315
Total Population
ZIP Codes in New London
Side-by-side: Compare 06360 vs 06340 →
| ZIP Code | City | Population | Density |
|---|---|---|---|
| 06360 | Norwich | 37,541 | 538 |
| 06340 | Groton | 31,242 | 527 |
| 06320 | New London | 27,617 | 1,926 |
| 06415 | Colchester | 16,857 | 120 |
| 06351 | Jewett City | 16,301 | 121 |
| 06385 | Waterford | 15,893 | 246 |
| 06355 | Mystic | 12,985 | 357 |
| 06357 | Niantic | 12,552 | 460 |
| 06382 | Uncasville | 11,947 | 255 |
| 06371 | Old Lyme | 9,952 | 70 |
| 06379 | Pawcatuck | 9,038 | 291 |
| 06339 | Ledyard | 8,302 | 119 |
| 06370 | Oakdale | 7,429 | 122 |
| 06249 | Lebanon | 7,308 | 52 |
| 06335 | Gales Ferry | 6,729 | 240 |
| 06333 | East Lyme | 6,607 | 109 |
| 06378 | Stonington | 5,399 | 98 |
| 06359 | North Stonington | 5,313 | 38 |
| 06365 | Preston | 4,720 | 59 |
| 06420 | Salem | 4,182 | 55 |
| 06375 | Quaker Hill | 3,660 | 178 |
| 06330 | Baltic | 3,282 | 69 |
| 06380 | Taftville | 2,862 | 1,158 |
| 06384 | Voluntown | 2,672 | 27 |
| 06334 | Bozrah | 2,592 | 52 |
| 06254 | North Franklin | 1,922 | 38 |
| 06353 | Montville | 162 | 279 |
| 06336 | Gilman | 84 | 53 |
| 06350 | Hanover | 67 | 111 |
| 06376 | South Lyme | 57 | 220 |
| 06389 | Yantic | 41 | 125 |
Frequently Asked Questions
What is the population of New London?
New London has a total population of 275,315 across 31 ZIP codes, based on U.S. Census Bureau ACS 2023 data.
What ZIP codes are in New London?
New London includes 31 ZIP codes: 06360, 06340, 06320, 06415, 06351, 06385, 06355, 06357, 06382, 06371, and more.