PlainZIP

Dayton, TN · standard

ZIP Code 37321

Rhea County, Tennessee - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.

19,113
65/sq mi
$54,684
Median income
$192,700
Median home value
19.3%
Bachelor's or higher

The verdict

Dayton pairs one of the lowest household incomes in the country with below-median home values, in a rural, homeowner-dominated area.

21th pct
household income, US ZIPs
41th pct
home value, US ZIPs
65
people per sq mi
67%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 37321 against every reporting US ZIP.

ZIP code 37321 is a mid-sized community (a standard USPS delivery area) in Dayton, Rhea County, Tennessee, home to 19,113 residents across 292.7 square miles, a density of 65 people per square mile, in the New York time zone.

ZIP 37321 reports a modest median household income of $54,684 (18% below the Tennessee average), while per-capita income is $30,389. Poverty here runs at 14.9%, with unemployment measured at 6.1%. Housing costs here run $192,700 for a typical home value (22% below the state average), with rent averaging $857 a month; 66.6% of homes are owner-occupied.

Educational attainment sits below the national norm: 19.3% of adults hold a bachelor's degree or higher, the median age is 40.2, and the average commute is 27 minutes. Beyond these figures, 2 nearby ZIP codes within about 10 miles are surfaced below, along with 4 more sharing Rhea County, letting you compare 37321 to its immediate surroundings rather than a national baseline alone.

Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →

Top industries in ZIP 37321

Top 5 sectors by establishment count in Dayton, TN

Which industries have the most business establishments in ZIP 37321.

establishments

What this shows Establishment counts come from the Census ZIP Code Business Patterns program, which counts physical business locations rather than employees or revenue.

Source U.S. Census Bureau · ZIP Code Business Patterns (ZBP) As of 2023

Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 37321, Dayton, TN · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; FHFA HPI updated quarterly/annually.

Quick Facts

19,113

Population

292.7

Area (sq mi)

65

People / sq mi

New York

Time Zone

standard

ZIP Type

Neighborhood Scorecard
Get an A-F grade across income, safety, housing, rent, education, commute, and childcare for this ZIP code.
View Scorecard →

Who lives in ZIP 37321?

40.2

Median Age

51.2%

Male

48.8%

Female

3.2%

Foreign-Born

White 85.5%
African American 1.3%
Asian 1.1%
American Indian or Alaska Native 0.1%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 8.9%
Hispanic or Latino 8.0%

Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How much do residents earn?

$54,684

Median Household Income

-18% vs state

$30,389

Per Capita Income

14.9%

Poverty Rate

6.1%

Unemployment Rate

27.4 min

Mean Commute Time

How ZIP 37321 ranks nationally

Dayton, TN household income vs. every US ZIP code

Median household income, the full national distribution, with this ZIP marked

$54,684 21st percentile higher than 21% of 30,318 US ZIPs

$0–$20,000: 118 US ZIPs (0%). Below this entry. $20,000–$40,000: 1,573 US ZIPs (5%). Below this entry. $40,000–$60,000: 7,092 US ZIPs (23%). This entry sits in this band. $60,000–$80,000: 9,980 US ZIPs (33%). Above this entry. $80,000–$100,000: 5,778 US ZIPs (19%). Above this entry. $100,000–$120,000: 2,855 US ZIPs (9%). Above this entry. $120,000–$140,000: 1,362 US ZIPs (4%). Above this entry. $140,000–$160,000: 686 US ZIPs (2%). Above this entry. $160,000–$180,000: 364 US ZIPs (1%). Above this entry. $180,000–$200,000: 186 US ZIPs (1%). Above this entry. $200,000–$220,000: 324 US ZIPs (1%). Above this entry. This ZIP $0 $200K+ every reporting US ZIP, bucketed by value

Each bar is a $20K-wide band; taller bars hold more US ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source U.S. Census Bureau, ACS 5-Year Estimates · 2019–2023

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What is the education profile here?

High School Graduate or Higher 59.2%
Bachelor's Degree or Higher 19.3%

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What does housing look like?

9,274

Total Housing Units

8,321

Occupied Units

953

Vacant Units

2.46

Avg Household Size

Occupancy Type

Owner 66.6%
Renter 33.4%

$192,700

Median Home Value

-22% vs state

$857

Median Rent

1988

Median Year Built

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How have home values changed over time?

FHFA House Price Index, annual appreciation data based on repeat sales and appraisals

+6.2%

YoY Change (2024)

288

HPI Index (2000 = 100)

+188%

Total Change Since 2000

Home values in ZIP 37321 have increased 6.2% over the past year (2024). Since 2000, this ZIP has seen +188% cumulative appreciation.

Year Annual Change HPI Index
2020 +5.1% 177
2021 +12.7% 199
2022 +23.4% 246
2023 +10.4% 271
2024 +6.2% 288

Source: Federal Housing Finance Agency (FHFA) House Price Index, All-Transactions, Five-Digit ZIP Codes (Developmental Index). Index base = 100 in year 2000. Data through 2024. ZIP codes with few transactions may show missing values.

What businesses operate in this ZIP?

Census Bureau data shows 396 business establishments in ZIP 37321, employing approximately 8,089 people with a combined annual payroll of $323,457,000.

396

Businesses

8,089

Employees

$323.5M

Annual Payroll

16

Industry Sectors

Industry Establishments % of Total
Retail trade 78 19.7%
Health care and social assistance 53 13.4%
Accommodation and food services 53 13.4%
Other services (except public administration) 38 9.6%
Finance and insurance 35 8.8%
Construction 22 5.6%
Professional, scientific, and technical services 22 5.6%
Transportation and warehousing 19 4.8%
Real estate and rental and leasing 17 4.3%
Manufacturing 16 4.0%
Administrative and support and waste management and remediation services 15 3.8%
Wholesale trade 7 1.8%
Information 7 1.8%
Mining, quarrying, and oil and gas extraction 4 1.0%
Educational services 4 1.0%
Arts, entertainment, and recreation 4 1.0%

Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.

Nearby ZIP Codes

Want a side-by-side? Compare 37321 vs 37332 →

ZIP 37321 vs its nearest neighbors, by population

Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.

residents

What this shows Among its immediate neighbors, ZIP 37321 ranks the most populous - useful context the national average alone can't give.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023

ZIP 37321 vs its nearest neighbors, by median income

Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.

median income

What this shows By household income, ZIP 37321 ranks #3 of 3 neighboring ZIPs, local affluence varies block to block, not just metro to metro.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023
ZIP Code City Population Distance
37332 Evensville, TN 2,609 6.7 mi
37373 Sale Creek, TN 3,074 9.0 mi

More ZIP Codes in Rhea County

37381 standard
Spring City, TN
Pop: 8,855
37338 standard
Graysville, TN
Pop: 3,093
37332 standard
Evensville, TN
Pop: 2,609
37337 standard
Grandview, TN
Pop: 1,470

Related Areas

Rhea County Dayton, TN Tennessee

Frequently Asked Questions

What county is ZIP code 37321 in? ▼
ZIP code 37321 (Dayton) is located in Rhea County, Tennessee. Rhea County contains multiple ZIP codes, see the full list at /counties/rhea-tn.
What is the population of ZIP code 37321? ▼
ZIP code 37321 in Dayton, TN has a population of 19,113 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 37321? ▼
The median household income in ZIP 37321 is $54,684, which is 28% below the national average of $76,288.
What is the average home value in ZIP 37321? ▼
The median home value in ZIP 37321 is $192,700, which is 31% below the national average of $278,155.
What is the demographic makeup of ZIP 37321? ▼
The largest racial group in ZIP 37321 is White at 85.5%. Hispanic or Latino residents make up 8.0% of the population.
How many businesses are in ZIP code 37321? ▼
ZIP code 37321 has 396 business establishments employing approximately 8,089 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 37321? ▼
The top industries by establishment count in ZIP 37321 are: Retail trade (78), Health care and social assistance (53), Accommodation and food services (53). There are 16 industry sectors represented in total.
How have home values changed in ZIP code 37321? ▼
According to the FHFA House Price Index, home values in ZIP 37321 increased by 6.2% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 188%. This is a developmental index based on repeat sales and appraisal data from Fannie Mae and Freddie Mac.
What is the education level in ZIP code 37321? ▼
In ZIP code 37321, 59.2% of residents aged 25+ have a high school diploma or higher, and 19.3% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What is the average commute time in ZIP 37321? ▼
The mean commute time for workers in ZIP code 37321 is 27.4 minutes according to Census ACS data. The national average is roughly 26 minutes, so commuters here spend more time traveling to work than typical.
What percentage of residents own vs. rent in ZIP 37321? ▼
In ZIP code 37321, approximately 66.6% of occupied housing units are owner-occupied and 33.4% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 37321? ▼
The poverty rate in ZIP code 37321 is 14.9% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.

Read our methodology to see how this data is sourced, computed, and verified.