Erwin, TN 37650 ZIP Code Profile

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Erwin, TN

ZIP Code 37650: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Erwin, TN 37650

  • ZIP Code Type: STANDARD
  • County: Unicoi County
  • Centroid: Latitude 36.141, Longitude -82.409
  • Time Zone: Eastern Time Zone (UTC -5 hours)
  • Observes DST: Yes

ZIP Code 37650 has segments in 2 Counties (Unicoi, Washington).

  • Businesses Addresses: 438
  • PO Box Addresses: 372
  • Residential Addresses: 5,667
    • Multi-Family Addresses: 44
    • Single Family Addresses: 5,623

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.


37650 ZIP Code Map

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Erwin, TN 37650 Data & Demographics (As of July 1, 2018)


Total Population 12,426
Population in Households 12,062
Population in Familes 9,768
Population in Group Qrtrs 364
Population Density2 132
Diversity Index3 20


Median Household Income $38,465
Average Household Income $50,539
Per Capita Income $22,126


Total Housing Units 6,009 (100%)
Owner Occupied HU 3,787 (63.0%)
Renter Occupied HU 1,433 (23.8%)
Vacant Housing Units 789 (13.1%)
Median Home Value $135,971
Average Home Value $193,894


Total Households 5,220
Average Household Size 2.31
Family Households 3,391
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 -0.24% -0.47%
Households -0.26% -0.49%
Families -0.47% -0.63%
Median Household Income   3.62%
Per Capita Income   3.48%

Erwin, TN 37650 - Peer Comparisons by Rank and Percentile

The table below compares 37650 to the other 612 ZIP Codes in Tennessee 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 # 185 70th
Population Density # 227 63rd
Diversity Index # 275 55th
Median Household Income # 415 32nd
Per Capita Income # 351 43rd

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

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