Harwich, MA 02645 ZIP Code Profile

Related Place Profiles:
East Harwich, MA | Harwich, MA

ZIP Code 02645: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Harwich, MA 02645

Acceptable Alternative
E Harwich, MA 02645
East Harwich, MA 02645

Not Acceptable, USPS
Hardwich, MA 02645

  • ZIP Code Type: STANDARD
  • County: Barnstable County
  • Centroid: Latitude 41.703, Longitude -70.062
  • Time Zone: Eastern Time Zone (UTC -5 hours)
  • Observes DST: Yes
  • Businesses Addresses: 307
  • PO Box Addresses: 660
  • Residential Addresses: 4,885
    • Multi-Family Addresses: 172
    • Single Family Addresses: 4,713

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


02645 ZIP Code Map

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Harwich, MA 02645 Data & Demographics (As of July 1, 2018)


Total Population 10,153
Population in Households 9,986
Population in Familes 7,937
Population in Group Qrtrs 167
Population Density2 572
Diversity Index3 21


Median Household Income $68,202
Average Household Income $89,735
Per Capita Income $39,361


Total Housing Units 6,472 (100%)
Owner Occupied HU 3,677 (56.8%)
Renter Occupied HU 738 (11.4%)
Vacant Housing Units 2,057 (31.8%)
Median Home Value $470,042
Average Home Value $533,363


Total Households 4,415
Average Household Size 2.26
Family Households 2,833
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 0.72% 0.47%
Households 0.6% 0.38%
Families 0.54% 0.36%
Median Household Income   3.15%
Per Capita Income   3.51%

Harwich, MA 02645 - Peer Comparisons by Rank and Percentile

The table below compares 02645 to the other 521 ZIP Codes in Massachusetts by rank and percentile using July 1, 2018 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 # 252 52nd
Population Density # 311 40th
Diversity Index # 287 45th
Median Household Income # 356 32nd
Per Capita Income # 295 44th

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

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