ZIP 06376 vs ZIP 06357

Source:

South Lyme, CT — Niantic, CT

This side-by-side compares ZIP 06376 (South Lyme, CT) and ZIP 06357 (Niantic, CT) using the same Census ACS 5-Year table fields for both — no averages swapped in, no national proxies. ZIP 06376 has a population of 57 at 220 people per square mile, while ZIP 06357 has 12,552 at 460 per square mile. That difference in population size and density alone reshapes how every other metric should be interpreted — a higher-income ZIP with 1,200 residents behaves very differently from one with 45,000.

On income and education, ZIP 06376 reports a median household income of $156,000 against $93,026 in ZIP 06357, with per-capita income of $153,121 vs $57,039. The share of adults holding a bachelor's degree or higher is 29.0% in 06376 and 46.2% in 06357. Poverty rate reads 0.0% vs 5.5%, and unemployment 0.0% vs 2.4% — these four fields alone drive most of the difference in the scorecard grades you will see for each ZIP.

Housing separates these two ZIPs further: median home value sits at $444,400 in 06376 versus $397,300 in 06357, with median rent of and $1,429 per month respectively. Homeownership rate is 100.0% vs 76.1%. When reading the comparison table below, focus on paired metrics rather than single winners — a ZIP with lower home values and lower income is not strictly "worse" if rent-to-income ratios and commute times land in the same zone. Every value is pulled from the exact same ACS table so the two columns are genuinely comparable.

Compare different ZIP codes:

vs
Metric
06376
South Lyme, CT
06357
Niantic, CT
Population 57 12,552
Median Household Income $156,000 $93,026
Per Capita Income $153,121 $57,039
Median Age 64.6 55.5
Bachelor's Degree or Higher 29.0% 46.2%
Poverty Rate 0.0% 5.5%
Unemployment Rate 0.0% 2.4%
Median Home Value $444,400 $397,300
Median Rent (monthly) $1,429
Homeownership Rate 100.0% 76.1%
Population Density (per sq mi) 220 460

Values highlighted in green indicate the better metric where applicable. Source: U.S. Census Bureau ACS 2023.

Full Profile
06376
South Lyme, CT
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06357
Niantic, CT
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What are common questions about this comparison?

How do ZIP codes 06376 and 06357 compare?
ZIP 06376 (South Lyme, CT) has a population of 57 and a median household income of $156,000. ZIP 06357 (Niantic, CT) has a population of 12,552 and a median household income of $93,026.
Which ZIP code has higher income, 06376 or 06357?
ZIP 06376 (South Lyme, CT) has a higher median household income of $156,000 compared to $93,026 for ZIP 06357.
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All data sourced from the U.S. Census Bureau, American Community Survey (ACS) 5-Year Estimates (2023).

PlainZIP is not affiliated with the U.S. Census Bureau or any government agency.

Data sourced from official U.S. Census ACS and HUD-USPS ZIP crosswalk data. See our methodology for details. Retrieved and formatted by PlainZIP Editorial.