Residential delivery area · Maine

ZIP Code 04553: Newcastle, ME

ZIP code 04553 uses the postal name Newcastle, Maine and lies entirely in Lincoln County (Census 2020 ZIP-county file). About 1,900 people live there (Census Bureau, ACS 2020-2024). Median household income is $89,868 (Census Bureau, ACS 2020-2024). By Census place, 8% of its land lies in Newcastle (a census-designated place); 93% is outside any Census place.

  • ACS2020-24
  • Census2020
  • FHFA2025
  • ZBP2023
  • IRS2022
0national area: Maine, Connecticut, Massachusetts, New Hampshire, New Jersey and 5 more
045sectional center: Southern, ME (SCF 040)
53delivery area within it
Town
Newcastle · its only residential ZIP
Census places
Newcastle census-designated place
House district
ME-1 119th Congress
State
Maine
Time zone
Eastern
Land area
29.1 sq mi · 66 people per sq mi

Where is ZIP code 04553?

04553 centers on 44.052°, -69.568° and covers 29.1 square miles of land plus 3.5 of water. It borders 8 ZIP codes: 04543, 04535, 04555, 04556, 04539, 04578, 04348, 04568.

04348 · Jefferson04535 · Alna04539 · Bristol04543 · Damariscotta04555 · Nobleboro04556 · Edgecomb04568 · South Bristol04578 · Wiscasset04553 · Newcastle (this ZIP)045530457804535045550455604539045680454304348 · Jefferson04535 · Alna04539 · Bristol04543 · Damariscotta04555 · Nobleboro04556 · Edgecomb04568 · South Bristol04578 · Wiscasset04553 · Newcastle (this ZIP)045530457804535045550455604539045680454304348 · Jefferson04535 · Alna04539 · Bristol04543 · Damariscotta04555 · Nobleboro04556 · Edgecomb04568 · South Bristol04578 · Wiscasset04553 · Newcastle (this ZIP)0455304578045350455504556045390456804543
Shaded by median household income, in national fifths (ACS 2020-2024); 04553 outlined. Census 2020 ZCTA boundaries. <$54.1k$98.1k+no figure

The map draws ZIP code areas only. For the streets inside 04553, open its center on OpenStreetMap.

Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries and the 2023 Gazetteer (2020 ZCTAs); ZIP-to-county shares, Census places and House districts (119th Congress) from the Census 2020 relationship files (shares of land); metro area from the OMB delineation (July 2023); town name and time zone from simplemaps US ZIP Codes (CC BY 4.0).

How does 04553 compare with the rest of Lincoln County?

Rank of 04553 among the residential ZIP codes of its town, county and state (1 = the most; income and home value among ZIP codes of 1,000+ people living in households)
Measure04553In Lincoln CountyIn ME
People (ACS 2020-2024)1,9136th of 27169th of 426
Median household income$90knot rankednot ranked
Median home value$398k1st of 1240th of 242

04553's median household income is not ranked: its 90% margin of error (±$33,322) is more than a quarter of the figure ($89,868). Rankings use ZIP codes of 1,000 or more people living in households, with margins at most 25% of the figure.

It is denser than 47% of U.S. residential ZIP codes. ZIP codes at the ACS caps ($250,000 or more for household income, $2,000,000 or more for home value) share the top rank.

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B19013, B25077); ranks by PlainZIP over residential ZIP codes (ZCTAs).

How many people live in 04553?

The 2020 Census counted 1,848 people in 04553; the ACS, which samples households over 2020-2024, estimates 1,913. Between the 2010 and 2020 censuses its population grew 5.5% (its boundary stayed at least 90% the same).

People, ACS 2020-2024
1,913±321 (90% margin)
2020 Census count
1,848+5.5% since 2010 (1,752)
Households
806
Median age
49.4

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B01002, B11001); 2020 Census (DHC P1); 2010 Census (SF1 P1).

Who lives in 04553?

Of the 1,913 people the ACS estimates in 04553, 17.8% are under 18 and 24.4% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (93.7%).

  • Under 1817.8%
  • 18 to 6457.9%
  • 65 and older24.4%
Age of the people of 04553 (ACS 2020-2024, B01001)
  • White, not Hispanic93.7%
  • Hispanic or Latino3.5%
  • Other or two or more1.5%
  • Asian, not Hispanic1.3%
  • Black, not Hispanic0.0%
Race and Hispanic origin in 04553 (ACS 2020-2024, B03002); each person counted once

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01001 age by sex, B03002 Hispanic or Latino origin by race); shares of the estimated population, small ZIP codes carry wide margins.

What do households in 04553 earn?

Median household income is $89,868 (ACS 2020-2024). It is not measurably different from 2015-2019 ($82,570 in 2024 dollars): the change is within the surveys' margins of error.

Median household income
$89,868±$33,322
Income per person
$49,095
Below the poverty line
3.5%
Unemployed (of the labor force)
0.0%
Adults 25+ with a bachelor's degree
45.1%
Adjusted gross income per tax return, 2022
$83,7701,160 returns; wages 53% of AGI (IRS)

Source: U.S. Census Bureau, ACS 2020-2024 and 2015-2019 5-year estimates (B19013, B19301, B17001, B23025, B15003; 2015-2019 dollars converted with the BLS CPI-U, 1.22699); IRS Statistics of Income, ZIP code data, tax year 2022 (adjusted gross income per return, filed under the address on the return).

What are homes worth in 04553?

FHFA's house price index for 04553, built from repeat sales and appraisals of the same homes, rose 83% from 2015 to 2025 and rose 62% from 2020 to 2025.

Median home value (owners' estimate)
$398,000
Median gross rent
$1,363
Homes owned by their occupants
80.6%
Housing units
1,000
0 50 100 150 200 250 2001201020202025 0 50 100 150 200 250 2001201020202025 0 50 100 150 200 250 2001201020202025
Index = 100 in 2001, the first year FHFA reports for 04553; 2025: 227.8. Annual, not seasonally adjusted; FHFA calls its ZIP-level indexes developmental.

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001); FHFA House Price Index, annual five-digit ZIP, updated 2026-03-31.

What businesses are in 04553?

85 business establishments had a location in this ZIP code in 2023, 7 fewer than in 2018; the most are in construction (ZIP Code Business Patterns).

  • Construction16
  • Retail trade13
  • Health care and social assistance11
  • Other services (except public administration)11
  • Professional, scientific, and technical services6
  • Administrative and support and waste management and remediation services6

Source: U.S. Census Bureau, ZIP Code Business Patterns 2023 and 2018 (establishments with paid employees, by the business's ZIP code).

Which ZIP codes are next to 04553?

ZIP codes that share a boundary with 04553, then the nearest by center
ZIPTownPeopleHousehold incomeDistance
04543Damariscotta2,192$59k4.3 mi
04535Alna818$93k4.4 mi
04555Nobleboro1,906$100k5.4 mi
04556Edgecomb1,251$109k5.7 mi
04539Bristol1,456$96k6.3 mi
04578Wiscasset4,709$81k7.9 mi
04348Jefferson3,484$79k11.5 mi
04568South Bristol512$55k11.5 mi
04573Walpole557$86k7.0 mi (near)
04551Bremen917$100k8.1 mi (near)

Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.