ZIP 06390 vs ZIP 06355

Source:

Fishers Island, NY — Mystic, CT

This side-by-side compares ZIP 06390 (Fishers Island, NY) and ZIP 06355 (Mystic, CT) using the same Census ACS 5-Year table fields for both — no averages swapped in, no national proxies. ZIP 06390 has a population of 236 at 23 people per square mile, while ZIP 06355 has 12,985 at 357 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 06390 reports a median household income of $98,125 against $137,425 in ZIP 06355, with per-capita income of $38,711 vs $73,122. The share of adults holding a bachelor's degree or higher is 40.0% in 06390 and 56.7% in 06355. Poverty rate reads 0.0% vs 3.2%, and unemployment 7.5% vs 3.3% — 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 in 06390 versus $453,400 in 06355, with median rent of and $1,915 per month respectively. Homeownership rate is 66.7% vs 81.0%. 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
06390
Fishers Island, NY
06355
Mystic, CT
Population 236 12,985
Median Household Income $98,125 $137,425
Per Capita Income $38,711 $73,122
Median Age 46.6 53.2
Bachelor's Degree or Higher 40.0% 56.7%
Poverty Rate 0.0% 3.2%
Unemployment Rate 7.5% 3.3%
Median Home Value $453,400
Median Rent (monthly) $1,915
Homeownership Rate 66.7% 81.0%
Population Density (per sq mi) 23 357

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

Full Profile
06390
Fishers Island, NY
View full ZIP profile →
Full Profile
06355
Mystic, CT
View full ZIP profile →

What are common questions about this comparison?

How do ZIP codes 06390 and 06355 compare?
ZIP 06390 (Fishers Island, NY) has a population of 236 and a median household income of $98,125. ZIP 06355 (Mystic, CT) has a population of 12,985 and a median household income of $137,425.
Which ZIP code has higher income, 06390 or 06355?
ZIP 06355 (Mystic, CT) has a higher median household income of $137,425 compared to $98,125 for ZIP 06390.
How do I compare two ZIP codes on PlainZIP?
Visit plainzip.com/compare, enter two 5-digit U.S. ZIP codes, and click Compare. You can also navigate directly to /compare/XXXXX-vs-YYYYY to share a specific comparison.

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.