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 Moderate-density area
- $54,684
- Median income Below-median income area
- $192,700
- Median home value Near-median home value
- 19.3%
- Bachelor's or higher Near-average bachelor's attainment
National ZIP placement
Dayton pairs one of the lowest household incomes in the country with below-median home values, in a rural, homeowner-dominated area.
- 21st pct
- household income, US ZIPs
- 41st 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.
FHFA HPI release change
What changed in the latest House Price Index year
- FHFA House Price Index values in ZIP 37321 (Dayton, TN) rose +6.2% from 2023 to 2024. The all-transactions index moved from 271.3 in 2023 to 288.1 in 2024 (2000 = 100).
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 average Tennessee ZIP), while per-capita income is $30,389. The poverty rate is 14.9%, with unemployment at 6.1%; those measures add context to the income figure. Home values sit below the statewide ZIP benchmark: the median is $192,700 (22% below the average Tennessee ZIP), and median rent is $857; owner occupancy is 66.6%.
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. The page also surfaces 2 ZIP codes within roughly 10 miles and 4 more in Rhea County, so 37321 can be compared with both its immediate and county-level context.
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.
- 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 + 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
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 ZIP avg
$30,389
Per Capita Income
14.9%
Poverty Rate
6.1%
Unemployment Rate
27.4 min
Mean Commute Time
How ZIP 37321 ranks among Tennessee ZIPs
Dayton, TN household income vs. every Tennessee ZIP code
Median household income among 593 reporting Tennessee ZIPs (this ZIP's population is too small for a reliable national-corpus placement)
$54,684 33rd percentile higher than 33% of 593 Tennessee ZIPs
Each bar is a $20K-wide band; taller bars hold more Tennessee 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?
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What does housing look like?
Housing stock: occupied vs vacant
9,274housing units
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 ZIP avg
$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.
- 37321
Dayton (37321)
19,113 residents
- 37373 3,074
Sale Creek (37373)
3,074 residents
- 37332 2,609
Evensville (37332)
2,609 residents
What this shows Among its immediate neighbors, ZIP 37321 ranks the most populous - useful context the national average alone can't give.
ZIP 37321 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 37332
Evensville (37332)
$59,479 median income
- 37373
Sale Creek (37373)
$54,974 median income
- 37321
Dayton (37321)
$54,684 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.
Nationwide ZIPs with similar ACS profiles
Two Census-derived peer sets for ZIP 37321, both outside TN so the neighborhoods are not geographic containment (Nearby and same-county blocks stay local).
Similar population
Nearest cross-state ZIPs by resident population (19,113 here; floor ≥1,000).
Similar median household income
Nearest cross-state ZIPs by ACS median household income.
More ZIP Codes in Rhea County
Related Areas
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.
Related
Take this with you
What to do with ZIP 37321's numbers, next.
- See how ZIP 37321 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Dayton, TN ranks among every U.S. ZIP code on income, education, or homeownership View national rankings
- Save this ZIP to your shortlist to track alongside others you're considering View your shortlist
ZIP Code Tabulation Areas (ZCTAs) are Census Bureau approximations of USPS ZIP codes; figures describe the ZCTA area, not any single address within it.