ZIP 04570 vs ZIP 04538

Source:

Squirrel Island, ME — Boothbay Harbor, ME

This side-by-side compares ZIP 04570 (Squirrel Island, ME) and ZIP 04538 (Boothbay Harbor, ME) using the same Census ACS 5-Year table fields for both — no averages swapped in, no national proxies. ZIP 04570 has a population of 2 at 3 people per square mile, while ZIP 04538 has 2,080 at 165 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 04570 reports a median household income of against $56,500 in ZIP 04538, with per-capita income of vs $40,517. The share of adults holding a bachelor's degree or higher is 100.0% in 04570 and 42.4% in 04538. Poverty rate reads 0.0% vs 18.2%, and unemployment 0.0% vs 2.0% — 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 04570 versus $388,100 in 04538, with median rent of and $1,058 per month respectively. Homeownership rate is 100.0% vs 73.0%. 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
04570
Squirrel Island, ME
04538
Boothbay Harbor, ME
Population 2 2,080
Median Household Income $56,500
Per Capita Income $40,517
Median Age 64.4
Bachelor's Degree or Higher 100.0% 42.4%
Poverty Rate 0.0% 18.2%
Unemployment Rate 0.0% 2.0%
Median Home Value $388,100
Median Rent (monthly) $1,058
Homeownership Rate 100.0% 73.0%
Population Density (per sq mi) 3 165

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

Full Profile
04570
Squirrel Island, ME
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Full Profile
04538
Boothbay Harbor, ME
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What are common questions about this comparison?

How do ZIP codes 04570 and 04538 compare?
ZIP 04570 (Squirrel Island, ME) has a population of 2 and a median household income of —. ZIP 04538 (Boothbay Harbor, ME) has a population of 2,080 and a median household income of $56,500.
Which ZIP code has higher income, 04570 or 04538?
Income data is not available for one or both of these ZIP codes.
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.