PlainZIP

Niantic, CT · standard

ZIP Code 06357

New London County, Connecticut - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.

12,552
460/sq mi
$93,026
Median income
$397,300
Median home value
46.2%
Bachelor's or higher

The verdict

Niantic pairs an upper-quartile household income with upper-quartile home values, in a low-density, homeowner-dominated area.

Top 24%
household income, US ZIPs
Top 21%
home value, US ZIPs
460
people per sq mi
76%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 06357 against every reporting US ZIP.

ZIP code 06357 is a mid-sized community (a standard USPS delivery area) in Niantic, New London County, Connecticut, home to 12,552 residents across 27.3 square miles, a density of 460 people per square mile, in the New York time zone.

ZIP 06357 lands in the middle-income range, with a median household income of $93,026 (18% below the Connecticut average), while per-capita income is $57,039. Poverty here runs at 5.5%, with unemployment measured at 2.4%. On housing, the median home value is $397,300 (9% below the state average) with median rent at $1,429 per month, and 76.1% of occupied units are owner-occupied.

A solid share of residents have a four-year degree: 46.2% of adults hold a bachelor's degree or higher, the median age is 55.5, and the average commute is 26 minutes. A geography-based comparison follows: 9 ZIP codes within about 10 miles of 06357, plus 6 more within New London County, give a clearer read than the national average alone.

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 06357

Top 5 sectors by establishment count in Niantic, CT

Which industries have the most business establishments in ZIP 06357.

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 · ZIP Code Business Patterns (ZBP) As of 2023

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 06357, Niantic, 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

12,552

Population

27.3

Area (sq mi)

460

People / sq mi

New York

Time Zone

standard

ZIP Type

Neighborhood Scorecard
Get an A-F grade across income, safety, housing, rent, education, commute, and childcare for this ZIP code.
View Scorecard →

Who lives in ZIP 06357?

55.5

Median Age

43.7%

Male

56.3%

Female

10.2%

Foreign-Born

White 81.4%
African American 4.5%
Asian 6.9%
American Indian or Alaska Native 0.2%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 6.3%
Hispanic or Latino 3.6%

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?

$93,026

Median Household Income

-18% vs state

$57,039

Per Capita Income

5.5%

Poverty Rate

2.4%

Unemployment Rate

25.7 min

Mean Commute Time

How ZIP 06357 ranks nationally

Niantic, CT household income vs. every US ZIP code

Median household income, the full national distribution, with this ZIP marked

$93,026 Top 24% higher than 76% of 30,318 US ZIPs

$0–$20,000: 118 US ZIPs (0%). Below this entry. $20,000–$40,000: 1,573 US ZIPs (5%). Below this entry. $40,000–$60,000: 7,092 US ZIPs (23%). Below this entry. $60,000–$80,000: 9,980 US ZIPs (33%). Below this entry. $80,000–$100,000: 5,778 US ZIPs (19%). This entry sits in this band. $100,000–$120,000: 2,855 US ZIPs (9%). Above this entry. $120,000–$140,000: 1,362 US ZIPs (4%). Above this entry. $140,000–$160,000: 686 US ZIPs (2%). Above this entry. $160,000–$180,000: 364 US ZIPs (1%). Above this entry. $180,000–$200,000: 186 US ZIPs (1%). Above this entry. $200,000–$220,000: 324 US ZIPs (1%). Above this entry. This ZIP $0 $200K+ every reporting US ZIP, bucketed by value

Each bar is a $20K-wide band; taller bars hold more US 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?

High School Graduate or Higher 71.7%
Bachelor's Degree or Higher 46.2%

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What does housing look like?

6,201

Total Housing Units

5,000

Occupied Units

1,201

Vacant Units

2.09

Avg Household Size

Occupancy Type

Owner 76.1%
Renter 23.9%

$397,300

Median Home Value

-9% vs state

$1,429

Median Rent

1969

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

+8.4%

YoY Change (2024)

274

HPI Index (2000 = 100)

+174%

Total Change Since 2000

Home values in ZIP 06357 have increased 8.4% over the past year (2024). Since 2000, this ZIP has seen +174% cumulative appreciation.

Year Annual Change HPI Index
2020 +1.9% 173
2021 +13.6% 196
2022 +12.8% 221
2023 +14.3% 253
2024 +8.4% 274

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 275 business establishments in ZIP 06357, employing approximately 2,087 people with a combined annual payroll of $102,939,000.

275

Businesses

2,087

Employees

$102.9M

Annual Payroll

15

Industry Sectors

Industry Establishments % of Total
Accommodation and food services 45 16.4%
Retail trade 36 13.1%
Other services (except public administration) 34 12.4%
Professional, scientific, and technical services 27 9.8%
Construction 23 8.4%
Health care and social assistance 22 8.0%
Finance and insurance 15 5.5%
Real estate and rental and leasing 15 5.5%
Administrative and support and waste management and remediation services 11 4.0%
Manufacturing 10 3.6%
Arts, entertainment, and recreation 10 3.6%
Wholesale trade 9 3.3%
Educational services 9 3.3%
Transportation and warehousing 5 1.8%
Information 4 1.4%

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 06357 vs 06376 →

ZIP 06357 vs its nearest neighbors, by population

Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.

residents

What this shows Among its immediate neighbors, ZIP 06357 ranks #3 by population - useful context the national average alone can't give.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023

ZIP 06357 vs its nearest neighbors, by median income

Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.

median income

What this shows By household income, ZIP 06357 ranks #7 of 9 neighboring ZIPs, local affluence varies block to block, not just metro to metro.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023
ZIP Code City Population Distance
06376 South Lyme, CT 57 3.0 mi
06333 East Lyme, CT 6,607 4.4 mi
06385 Waterford, CT 15,893 3.8 mi
06320 New London, CT 27,617 6.1 mi
06371 Old Lyme, CT 9,952 6.4 mi
06370 Oakdale, CT 7,429 9.7 mi
06375 Quaker Hill, CT 3,660 7.2 mi
06353 Montville, CT 162 9.9 mi
06382 Uncasville, CT 11,947 10.7 mi

More ZIP Codes in New London County

06360 standard
Norwich, CT
Pop: 37,541
06340 standard
Groton, CT
Pop: 31,242
06320 standard
New London, CT
Pop: 27,617
06415 standard
Colchester, CT
Pop: 16,857
06351 standard
Jewett City, CT
Pop: 16,301
06385 standard
Waterford, CT
Pop: 15,893

Related Areas

New London County Niantic, CT Connecticut

Frequently Asked Questions

What county is ZIP code 06357 in? ▼
ZIP code 06357 (Niantic) 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 06357? ▼
ZIP code 06357 in Niantic, CT has a population of 12,552 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 06357? ▼
The median household income in ZIP 06357 is $93,026, which is 22% above the national average of $76,288.
What is the average home value in ZIP 06357? ▼
The median home value in ZIP 06357 is $397,300, which is 43% above the national average of $278,155.
What is the demographic makeup of ZIP 06357? ▼
The largest racial group in ZIP 06357 is White at 81.4%. Hispanic or Latino residents make up 3.6% of the population.
How many businesses are in ZIP code 06357? ▼
ZIP code 06357 has 275 business establishments employing approximately 2,087 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 06357? ▼
The top industries by establishment count in ZIP 06357 are: Accommodation and food services (45), Retail trade (36), Other services (except public administration) (34). There are 15 industry sectors represented in total.
How have home values changed in ZIP code 06357? ▼
According to the FHFA House Price Index, home values in ZIP 06357 increased by 8.4% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 174%. 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 06357? ▼
In ZIP code 06357, 71.7% of residents aged 25+ have a high school diploma or higher, and 46.2% 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 06357? ▼
The mean commute time for workers in ZIP code 06357 is 25.7 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 06357? ▼
In ZIP code 06357, approximately 76.1% of occupied housing units are owner-occupied and 23.9% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 06357? ▼
The poverty rate in ZIP code 06357 is 5.5% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.

Read our methodology to see how this data is sourced, computed, and verified.