New London, CT · standard
ZIP Code 06320
New London County, Connecticut - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 27,617
- 1,926/sq mi High-density area
- $59,170
- Median income Below-median income area
- $253,300
- Median home value Near-median home value
- 28.7%
- Bachelor's or higher Near-average bachelor's attainment
National ZIP placement
New London pairs a below-median household income with above-median home values, in a low-density, renter-heavy area.
- 28th pct
- household income, US ZIPs
- Top 42%
- home value, US ZIPs
- 1,926
- people per sq mi
- 36%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 06320 against every reporting US ZIP.
FHFA HPI release change
What changed in the latest House Price Index year
- FHFA House Price Index values in ZIP 06320 (New London, CT) rose +3.7% from 2023 to 2024. The all-transactions index moved from 250.0 in 2023 to 259.3 in 2024 (2000 = 100).
ZIP code 06320 is a densely settled ZIP (a standard USPS delivery area) in New London, New London County, Connecticut, with 27,617 residents across 14.3 square miles, a density of 1,926 people per square mile, in the New York time zone.
ZIP 06320 reports a modest median household income of $59,170 (48% below the average Connecticut ZIP), while per-capita income is $33,704. The poverty rate is 21.5%, so the area-level income figures should not be treated as typical household experience. Home values sit below the statewide ZIP benchmark: the median is $253,300 (42% below the average Connecticut ZIP), and median rent is $1,341; owner occupancy is 36.1%.
Educational attainment sits below the national norm: 28.7% of adults hold a bachelor's degree or higher, the median age is 34.7, and the average commute is 19 minutes. The page also surfaces 10 ZIP codes within roughly 10 miles and 6 more in New London County, so 06320 can be compared with both its immediate and county-level context.
Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →
Top industries in ZIP 06320
Top 5 sectors by establishment count in New London, CT
Which industries have the most business establishments in ZIP 06320.
- Health care and social assistance
Health care and social assistance
108 establishments
- Retail trade
Retail trade
97 establishments
- Accommodation and food services
Accommodation and food services
91 establishments
- Other services (except public administration)
Other services (except public administration)
83 establishments
- Professional, scientific, and technical services
Professional, scientific, and technical services
70 establishments
What this shows Establishment counts come from the Census ZIP Code Business Patterns program, which counts physical business locations rather than employees or revenue.
Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 06320, New London, CT · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; FHFA HPI updated quarterly/annually.
Quick Facts
27,617
Population
14.3
Area (sq mi)
1,926
People / sq mi
New York
Time Zone
standard
ZIP Type
Who lives in ZIP 06320?
34.7
Median Age
49.1%
Male
50.9%
Female
18.0%
Foreign-Born
Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
How much do residents earn?
$59,170
Median Household Income
-48% vs state ZIP avg
$33,704
Per Capita Income
21.5%
Poverty Rate
6.0%
Unemployment Rate
19.2 min
Mean Commute Time
How ZIP 06320 ranks among Connecticut ZIPs
New London, CT household income vs. every Connecticut ZIP code
Median household income among 270 reporting Connecticut ZIPs (this ZIP's population is too small for a reliable national-corpus placement)
$59,170 9th percentile higher than 9% of 270 Connecticut ZIPs
Each bar is a $20K-wide band; taller bars hold more Connecticut ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.
Source U.S. Census Bureau, ACS 5-Year Estimates · 2019–2023
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What is the education profile here?
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What does housing look like?
Housing stock: occupied vs vacant
12,751housing units
12,751
Total Housing Units
11,808
Occupied Units
943
Vacant Units
2.04
Avg Household Size
Occupancy Type
$253,300
Median Home Value
-42% vs state ZIP avg
$1,341
Median Rent
1945
Median Year Built
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
How have home values changed over time?
FHFA House Price Index, annual appreciation data based on repeat sales and appraisals
+3.7%
YoY Change (2024)
259
HPI Index (2000 = 100)
+159%
Total Change Since 2000
Home values in ZIP 06320 have increased 3.7% over the past year (2024). Since 2000, this ZIP has seen +159% cumulative appreciation.
| Year | Annual Change | HPI Index |
|---|---|---|
| 2020 | +7.1% | 157 |
| 2021 | +16.8% | 184 |
| 2022 | +13.2% | 208 |
| 2023 | +20.2% | 250 |
| 2024 | +3.7% | 259 |
Source: Federal Housing Finance Agency (FHFA) House Price Index, All-Transactions, Five-Digit ZIP Codes (Developmental Index). Index base = 100 in year 2000. Data through 2024. ZIP codes with few transactions may show missing values.
What businesses operate in this ZIP?
Census Bureau data shows 637 business establishments in ZIP 06320, employing approximately 8,970 people with a combined annual payroll of $503,158,000.
637
Businesses
8,970
Employees
$503.2M
Annual Payroll
15
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Health care and social assistance | 108 | 16.9% |
| Retail trade | 97 | 15.2% |
| Accommodation and food services | 91 | 14.3% |
| Other services (except public administration) | 83 | 13.0% |
| Professional, scientific, and technical services | 70 | 11.0% |
| Administrative and support and waste management and remediation services | 28 | 4.4% |
| Finance and insurance | 27 | 4.2% |
| Construction | 25 | 3.9% |
| Real estate and rental and leasing | 22 | 3.5% |
| Arts, entertainment, and recreation | 19 | 3.0% |
| Transportation and warehousing | 15 | 2.4% |
| Manufacturing | 13 | 2.0% |
| Information | 13 | 2.0% |
| Wholesale trade | 12 | 1.9% |
| Educational services | 10 | 1.6% |
Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.
Nearby ZIP Codes
Want a side-by-side? Compare 06320 vs 06385 →
ZIP 06320 vs its nearest neighbors, by population
Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 06340
Groton (06340)
31,242 residents
- 06320
New London (06320)
27,617 residents
- 06385
Waterford (06385)
15,893 residents
- 06355
Mystic (06355)
12,985 residents
- 06357
Niantic (06357)
12,552 residents
- 06382 11,947
Uncasville (06382)
11,947 residents
- 06335 6,729
Gales Ferry (06335)
6,729 residents
- 06333 6,607
East Lyme (06333)
6,607 residents
- 06375 3,660
Quaker Hill (06375)
3,660 residents
What this shows Among its immediate neighbors, ZIP 06320 ranks #2 by population - useful context the national average alone can't give.
ZIP 06320 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 06355
Mystic (06355)
$137,425 median income
- 06333
East Lyme (06333)
$129,083 median income
- 06335
Gales Ferry (06335)
$118,116 median income
- 06375
Quaker Hill (06375)
$111,833 median income
- 06385
Waterford (06385)
$100,484 median income
- 06390
Fishers Island (06390)
$98,125 median income
- 06357
Niantic (06357)
$93,026 median income
- 06382
Uncasville (06382)
$89,635 median income
- 06340
Groton (06340)
$81,792 median income
What this shows By household income, ZIP 06320 ranks #null of 9 neighboring ZIPs, local affluence varies block to block, not just metro to metro.
| ZIP Code | City | Population | Distance |
|---|---|---|---|
| 06385 | Waterford, CT | 15,893 | 2.8 mi |
| 06340 | Groton, CT | 31,242 | 3.0 mi |
| 06375 | Quaker Hill, CT | 3,660 | 4.0 mi |
| 06335 | Gales Ferry, CT | 6,729 | 6.0 mi |
| 06382 | Uncasville, CT | 11,947 | 7.8 mi |
| 06357 | Niantic, CT | 12,552 | 6.1 mi |
| 06355 | Mystic, CT | 12,985 | 6.8 mi |
| 06353 | Montville, CT | 162 | 7.8 mi |
| 06333 | East Lyme, CT | 6,607 | 7.8 mi |
| 06390 | Fishers Island, NY | 236 | 8.1 mi |
Nationwide ZIPs with similar ACS profiles
Two Census-derived peer sets for ZIP 06320, both outside CT so the neighborhoods are not geographic containment (Nearby and same-county blocks stay local).
Similar population
Nearest cross-state ZIPs by resident population (27,617 here; floor ≥1,000).
Similar median household income
Nearest cross-state ZIPs by ACS median household income.
More ZIP Codes in New London County
Related Areas
Frequently Asked Questions
What county is ZIP code 06320 in?
ZIP code 06320 (New London) is located in New London County, Connecticut. New London County contains multiple ZIP codes, see the full list at /counties/new-london-ct.
What is the population of ZIP code 06320?
ZIP code 06320 in New London, CT has a population of 27,617 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 06320?
The median household income in ZIP 06320 is $59,170, which is 22% below the national average of $76,288.
What is the average home value in ZIP 06320?
The median home value in ZIP 06320 is $253,300, which is 9% below the national average of $278,155.
What is the demographic makeup of ZIP 06320?
The largest racial group in ZIP 06320 is White at 48.1%. Hispanic or Latino residents make up 35.4% of the population.
How many businesses are in ZIP code 06320?
ZIP code 06320 has 637 business establishments employing approximately 8,970 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 06320?
The top industries by establishment count in ZIP 06320 are: Health care and social assistance (108), Retail trade (97), Accommodation and food services (91). There are 15 industry sectors represented in total.
How have home values changed in ZIP code 06320?
According to the FHFA House Price Index, home values in ZIP 06320 increased by 3.7% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 159%. This is a developmental index based on repeat sales and appraisal data from Fannie Mae and Freddie Mac.
What is the education level in ZIP code 06320?
In ZIP code 06320, 58.8% of residents aged 25+ have a high school diploma or higher, and 28.7% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What is the average commute time in ZIP 06320?
The mean commute time for workers in ZIP code 06320 is 19.2 minutes according to Census ACS data. The national average is roughly 26 minutes, so commuters here spend less time traveling to work than typical.
What percentage of residents own vs. rent in ZIP 06320?
In ZIP code 06320, approximately 36.1% of occupied housing units are owner-occupied and 63.9% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 06320?
The poverty rate in ZIP code 06320 is 21.5% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.
Related
Take this with you
What to do with ZIP 06320's numbers, next.
- See how ZIP 06320 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where New London, CT ranks among every U.S. ZIP code on income, education, or homeownership View national rankings
- Save this ZIP to your shortlist to track alongside others you're considering View your shortlist
ZIP Code Tabulation Areas (ZCTAs) are Census Bureau approximations of USPS ZIP codes; figures describe the ZCTA area, not any single address within it.