ZIP Code 37321
standardSource:
Dayton · Rhea County · Tennessee
- Population
- 19,113
- Median income
- $54,684
- Median home value
- $192,700
- Bachelor's or higher
- 19.3%
- Land area
- 292.7 sq mi
65/sq mi
▼ 28% vs US
higher than 21% of US ZIPs
▼ 31% vs US
higher than 41% of US ZIPs
Median age 40.2
New York
ZIP code 37321 in Dayton, Tennessee has a population of 19,113. The median household income is $54,684, which is 28% below the national average. Median home value is $192,700, 31% below the US average. 19.3% of residents hold a bachelor's degree or higher.
ZIP code 37321 is classified by USPS as a standard delivery area and covers roughly 292.7 square miles in Dayton, Rhea County, Tennessee. The area is home to 19,113 residents, producing a population density of 65 people per square mile, and falls within the New York time zone. These USPS and Census boundary values drive every downstream statistic on this page, including the benchmarks that compare 37321 against Tennessee and the nation.
On the economic side, the median household income for ZIP 37321 sits at $54,684 (18% below the Tennessee average), while per-capita income is $30,389. The poverty rate stands at 14.9% and the unemployment rate at 6.1%. On housing, the median home value is $192,700 (22% below the state average) with median rent at $857 per month, and 66.6% of occupied units are owner-occupied, a direct signal of whether 37321 behaves more like a homeowner neighborhood or a renter-heavy ZIP.
Education and household profile round out the picture: 19.3% of adults hold a bachelor's degree or higher, the median age is 40.2, and the average commute is 27 minutes. We also surface 2 nearby ZIP codes within roughly 10 miles and 4 additional ZIPs sharing Rhea County, so you can benchmark 37321 against its immediate geography rather than a national average alone. Every figure is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates, HUD Fair Market Rents, and FHFA Home Price Index data, no estimates, no proprietary scoring. Verify with HUD →
Top industries in ZIP 37321
Top 5 sectors by establishment count
Which industries have the most business establishments in ZIP 37321.
- Retail trade
Retail trade
78 establishments
- Health care and social assistance
Health care and social assistance
53 establishments
- Accommodation and food services
Accommodation and food services
53 establishments
- Other services (except public administration)
Other services (except public administration)
38 establishments
- Finance and insurance
Finance and insurance
35 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, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + HUD FMR + FHFA HPI ACS demographics, ZBP business establishments, HUD Fair Market Rents, 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; HUD FMR + 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
Who lives in ZIP 37321?
40.2
Median Age
51.2%
Male
48.8%
Female
3.2%
Foreign-Born
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
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What is the education profile here?
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
$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 →
More ZIP Codes in Rhea County
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Frequently Asked Questions
What county is ZIP code 37321 in? ▼
What is the population of ZIP code 37321? ▼
What is the median household income in ZIP 37321? ▼
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What is the demographic makeup of ZIP 37321? ▼
How many businesses are in ZIP code 37321? ▼
What are the main industries in ZIP code 37321? ▼
How have home values changed in ZIP code 37321? ▼
What is the education level in ZIP code 37321? ▼
What is the average commute time in ZIP 37321? ▼
What percentage of residents own vs. rent in ZIP 37321? ▼
What is the poverty rate in ZIP code 37321? ▼
ZIP Code Research Guides
Official Data Resources for Dayton, TN
Verify and explore additional data for this area using these official government sources.
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023). Business data: Source: Census ZIP Code Business Patterns (ZBP) 2023. Home value trends: Source: FHFA House Price Index (HPI), Five-Digit ZIP Codes.
PlainZIP is not affiliated with the U.S. Census Bureau or any government agency.
Read our methodology , how this data is sourced, computed, and verified.