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ZIP Code 04921, Maine

ZIP Code 04921 profile, demographic data, and geographic information.

ZCTA5 04921 is a 5-digit ZIP Code area located in Waldo County, Maine. As of official census estimates, it has a reported population of 1,775. The land area covers 49.94 sq mi. [1]

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population 1,775 ±260 2020-2024 / Census ACS 5-Year 2024
Median Age 43.3 yrs ±7 2020-2024 / Census ACS 5-Year 2024
Total Households 768 ±121 2020-2024 / Census ACS 5-Year 2024
Source: U.S. Census Bureau (PEP, ACS 5-Year).

Housing & Real Estate Profile

Housing Metric Estimate / Value Margin of Error
Total Housing Units 911 ±119
Occupied Housing Units 768 ±121
Vacant Housing Units 143 ±41
Median Home Value $210,300 ±$14,739
Median Gross Rent $1,039 ±$439
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Economy & Workforce

Economic Metric Estimate / Value Margin of Error
Median Household Income $63,646 ±$11,750
Per Capita Income $36,710 ±$5,613
Poverty Rate 17.4% ±8%
Population Below Poverty Level 308 ±149
Unemployment Rate 3.4% ±2.7%
Civilian Labor Force, Employed 899 ±173
Broadband Internet Rate 85.3% ±4.1%
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Local Government & Public Administration

Authoritative general-purpose local government units serving this area U.S. Census Bureau GUS (2026) / GMAF
Government Unit Unit Type Jurisdiction Role Contact / Address
GUS Population: 40,617 (2024)
ID: 166156
County Official County Government
Contact: COUNTY CLERK
39B SPRING ST, BELFAST ME 04915-6439

Education

Listing 10 local institutions (NCES 2024-2025) External reference via K12Guides
Institution Type Grades Location
Regular School Nearby PK-06 Albion, ME
Regular School Nearby 02-05 Searsmont, ME
Regular School Nearby 09-12 Belfast, ME
Regular School Nearby PK-05 Belfast, ME
Regular School Nearby PK-04 Carmel, ME
Regular School Nearby PK-01 Hampden, ME
Regular School Nearby PK-02 Belfast, ME
Regular School Nearby 09-12 Unity, ME
Regular School Nearby KG-08 Northport, ME
Regular School Nearby PK-04 Etna, ME
Source: k12guides.com.

Community Facilities & Infrastructure

Displaying 10 civic institutions across 2 datasets queried CMS • IPEDS • IMLS
Facility Name Category Relationship Address / Location Contact
Maine Maritime Academy
College 21.3 mi away 1 Pleasant Street, Castine, ME, 04420-0001
8004646565
MONROE COMMUNITY LIBRARY
Library 6.6 mi away 8 SWAN LAKE AVENUE, MONROE, ME, 04951
(207) 525-3515
Beal University
College 22.6 mi away 99 Farm Road, Bangor, ME, 04401
2079474591
UNITY PUBLIC LIBRARY
Library 9.7 mi away 38 SCHOOL STREET, UNITY, ME, 04988
(207) 948-2665
Kennebec Valley Community College
College 23.1 mi away 92 Western Ave, Fairfield, ME, 04937-1367
2074535000
BELFAST FREE LIBRARY
Library 12.7 mi away 106 HIGH STREET, BELFAST, ME, 04915
(207) 338-3884
Husson University
College 24.3 mi away 1 College Circle, Bangor, ME, 04401-2929
2079417000
GARY W. WOOLSON COMMUNITY LIBRARY
Library 13.1 mi away 2220 WESTERN AVENUE, NEWBURGH, ME, 04444
(207) 234-2799
Empire Beauty School-Maine
College Vocational 24.6 mi away 639 Broadway, Bangor, ME, 04401
8009204593
WALDO PEIRCE READING ROOM
Library 13.4 mi away 11A MAIN ROAD SOUTH, FRANKFORT, ME, 04438
(207) 223-4438
Distances calculated from authoritative source coordinates. Source: CMS, IMLS, NCES IPEDS.

Climate & Weather Observations

NOAA Monthly Climate Normals

Observation Station: Climate data reflects NOAA 1991–2020 standard normals recorded at BELFAST, ME US, located 14.9 miles from ZCTA5 04921. Local microclimates, topography, and elevation may cause municipal conditions to differ.
Month High (°F) Low (°F) Mean (°F) Precip (in) Snow (in)
January 29.5° 10.2° 19.8° 3.94" 19.2"
February 32.2° 11.7° 21.9° 3.16" 22.4"
March 39.7° 20.4° 30.1° 4.12" 11.7"
April 51.5° 31.1° 41.3° 4.38" 2.2"
May 62.9° 41.3° 52.1° 3.86" 0.0"
June 71.5° 50.5° 61.0° 4.28" 0.0"
July 77.0° 56.6° 66.8° 3.17" 0.0"
August 76.4° 55.5° 66.0° 3.06" 0.0"
September 69.5° 48.1° 58.8° 4.09" 0.0"
October 57.4° 37.9° 47.7° 5.38" 0.3"
November 45.6° 28.8° 37.2° 4.69" 2.5"
December 34.9° 18.4° 26.6° 4.65" 13.2"
Source: NOAA U.S. Climate Normals (1991–2020).

Local Weather Forecast

Weather forecast data is currently unavailable in the local cache.

Nearby Cities & Communities

Listing adjacent communities by spatial proximity (miles) Proximity discovery
Community Name Classification Distance Population
Unity CDP CDP 10.2 mi —
Belfast city City 12.2 mi —
Searsport CDP CDP 13.4 mi —
Winterport CDP CDP 14.7 mi —
Pittsfield CDP CDP 16.9 mi —
Bucksport CDP CDP 17.0 mi —

Sources & Data Provenance

  1. Geographic Classification & Identifiers: U.S. Census Bureau Gazetteer (2026) and TIGER/Line Shapefiles. GEOID: 04921. • Official Source Dataset →
  2. Socioeconomic & Housing Metrics: U.S. Census Bureau American Community Survey (ACS) 5-year estimates and Population Estimates Program (PEP). Margin of Error (MOE) intervals are reported where published; suppressed values are never estimated or replaced with false zeros.
  3. Civic Directory Datasets: Centers for Medicare & Medicaid Services (CMS Hospital Directory), National Center for Education Statistics (NCES IPEDS Postsecondary Directory), and Institute of Museum and Library Services (IMLS Public Libraries Survey). Airport landing facilities are provided by airport-data.com.
  4. Weather & Climate Observations: National Oceanic and Atmospheric Administration (NOAA) U.S. Climate Normals 1991–2020 and National Weather Service (NWS) point forecasts.