Winthrop, ME 04364 ZIP Code Profile

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Winthrop, ME

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ZIP Code 04364: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Winthrop, ME 04364

  • ZIP Code Type: STANDARD
  • County: Kennebec County
  • Centroid: Latitude 44.307, Longitude -69.973
  • Time Zone: Eastern Time Zone (UTC -5 hours)
  • Observes DST: Yes
  • Businesses Addresses: 229
  • PO Box Addresses: 187
  • Residential Addresses: 2,604
    • Multi-Family Addresses: 29
    • Single Family Addresses: 2,575

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

Address Based Hyperlocal Data Input an address and get data & demographics for the pertinent census block group (CBG), a searchable map and a customized directory. The CBG is the smallest geographical unit used by the Census Bureau for reporting demographic data.


04364 ZIP Code Map

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Winthrop, ME 04364 Data & Demographics (As of July 1, 2017)


Total Population 5,941
Daytime Population: Workers 1,854
Daytime Population: Residents 2,461
Total Daytime Population (TDP) 4,315
Ratio TDP/Total Population1 0.73
Population in Households 5,854
Population in Familes 4,638
Population in Group Qrtrs 87
Population Density2 184
Diversity Index3 8


Median Household Income $58,396
Average Household Income $70,335
Per Capita Income $30,502


Total Housing Units 3,299 (100%)
Owner Occupied HU 1,900 (57.6%)
Renter Occupied HU 659 (20.0%)
Vacant Housing Units 740 (22.4%)
Median Home Value $180,882
Average Home Value $207,487


Total Households 2,559
Average Household Size 2.29
Family Households 1,688
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 -0.34% -0.44%
Households -0.2% -0.37%
Families -0.41% -0.49%
Median Household Income   0.72%
Per Capita Income   2.27%

Winthrop, ME 04364 - Peer Comparisons by Rank and Percentile

The table below compares 04364 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 # 56 86th
Population Density # 66 84th
Diversity Index # 268 32nd
Median Household Income # 75 81st
Per Capita Income # 111 72nd

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

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