Dayton, TN 37321 ZIP Code Profile

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Dayton, TN

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ZIP Code 37321: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Dayton, TN 37321

  • ZIP Code Type: STANDARD
  • County: Rhea County
  • Centroid: Latitude 35.492, Longitude -85.015
  • Time Zone: Eastern Time Zone (UTC -5 hours)
  • Observes DST: Yes

ZIP Code 37321 has segments in 2 Counties (Bledsoe, Rhea).

  • Businesses Addresses: 708
  • PO Box Addresses: 515
  • Residential Addresses: 7,974
    • Multi-Family Addresses: 48
    • Single Family Addresses: 7,926

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.


37321 ZIP Code Map

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Dayton, TN 37321 Data & Demographics (As of July 1, 2017)


Total Population 20,771
Daytime Population: Workers 12,457
Daytime Population: Residents 12,579
Total Daytime Population (TDP) 25,036
Ratio TDP/Total Population1 1.21
Population in Households 19,969
Population in Familes 16,538
Population in Group Qrtrs 802
Population Density2 181
Diversity Index3 30


Median Household Income $37,355
Average Household Income $49,543
Per Capita Income $19,416


Total Housing Units 8,816 (100%)
Owner Occupied HU 4,983 (56.5%)
Renter Occupied HU 2,810 (31.9%)
Vacant Housing Units 1,023 (11.6%)
Median Home Value $109,273
Average Home Value $147,100


Total Households 7,793
Average Household Size 2.56
Family Households 5,442
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 0.85% 0.71%
Households 0.86% 0.72%
Families 0.7% 0.62%
Median Household Income   1.04%
Per Capita Income   2.7%

Dayton, TN 37321 - Peer Comparisons by Rank and Percentile

The table below compares 37321 to the other 616 ZIP Codes in Tennessee 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 # 115 81st
Population Density # 193 69th
Diversity Index # 170 73rd
Median Household Income # 418 32nd
Per Capita Income # 467 24th

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

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