Woolwich, ME 04579 ZIP Code Profile

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Woolwich, ME

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ZIP Code 04579: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Woolwich, ME 04579

  • ZIP Code Type: STANDARD
  • County: Sagadahoc County
  • Centroid: Latitude 43.965, Longitude -69.79
  • Time Zone: Eastern Time Zone (UTC -5 hours)
  • Observes DST: Yes
  • Businesses Addresses: 56
  • PO Box Addresses: 246
  • Residential Addresses: 1,193
    • Multi-Family Addresses: 1
    • Single Family Addresses: 1,192

The ZIP Code maps and database are updated 4 times per year.
Database updated: February 1, 2018, Maps updated: February 1, 2018.

EXTREMELY LOCAL Demographic Data

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04579 ZIP Code Map

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Woolwich, ME 04579 Data & Demographics (As of July 1, 2017)


Total Population 3,166
Daytime Population: Workers 916
Daytime Population: Residents 1,580
Total Daytime Population (TDP) 2,496
Ratio TDP/Total Population1 0.79
Population in Households 3,166
Population in Familes 2,618
Population in Group Qrtrs 0
Population Density2 90
Diversity Index3 11


Median Household Income $65,208
Average Household Income $76,599
Per Capita Income $31,259


Total Housing Units 1,472 (100%)
Owner Occupied HU 1,115 (75.7%)
Renter Occupied HU 177 (12.0%)
Vacant Housing Units 180 (12.2%)
Median Home Value $232,055
Average Home Value $299,552


Total Households 1,292
Average Household Size 2.45
Family Households 934
Average Family Size 3
  1. If the ratio of the TDP to Total Population is greater than 1, the location gains population during the day when commuting workers are present. If the ratio is less than 1, the location is more of a bedroom community where people commute to another place for work.
  2. Population Density = Total Population per square mile.
  3. The Diversity Index is a scale of 0 to 100 that represents the likelihood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.


2010-2017 2017-2022
Population 0.42% 0.5%
Households 0.56% 0.6%
Families 0.39% 0.51%
Median Household Income   3.09%
Per Capita Income   3.35%

Woolwich, ME 04579 - Peer Comparisons by Rank and Percentile

The table below compares 04579 to the other 399 ZIP Codes in Maine by rank and percentile using July 1, 2017 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 118 71st
Population Density # 136 66th
Diversity Index # 129 68th
Median Household Income # 37 91st
Per Capita Income # 93 77th

Additional comparisons and rankings can be made with a VERY EASY TO USE Maine Census Data Comparison Tool.

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