ZIP Code 37840
standardSource:
Oliver Springs · Roane County · Tennessee
- Population
- 10,021
- Median income
- $75,881
- Median home value
- $203,600
- Bachelor's or higher
- 15.5%
- Land area
- 220.7 sq mi
45/sq mi
▼ 1% vs US
higher than 56% of US ZIPs
▼ 27% vs US
higher than 44% of US ZIPs
Median age 43
New York
ZIP code 37840 in Oliver Springs, Tennessee has a population of 10,021. The median household income is $75,881, which is 1% below the national average. Median home value is $203,600, 27% below the US average. 15.5% of residents hold a bachelor's degree or higher.
ZIP code 37840 is classified by USPS as a standard delivery area and covers roughly 220.7 square miles in Oliver Springs, Roane County, Tennessee. The area is home to 10,021 residents, producing a population density of 45 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 37840 against Tennessee and the nation.
On the economic side, the median household income for ZIP 37840 sits at $75,881 (14% above the Tennessee average), while per-capita income is $39,417. The poverty rate stands at 12.7% and the unemployment rate at 6.4%. On housing, the median home value is $203,600 (18% below the state average) with median rent at $682 per month, and 79.5% of occupied units are owner-occupied, a direct signal of whether 37840 behaves more like a homeowner neighborhood or a renter-heavy ZIP.
Education and household profile round out the picture: 15.5% of adults hold a bachelor's degree or higher, the median age is 43, and the average commute is 30 minutes. We also surface 5 nearby ZIP codes within roughly 10 miles and 3 additional ZIPs sharing Roane County, so you can benchmark 37840 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 37840
Top 5 sectors by establishment count
Which industries have the most business establishments in ZIP 37840.
- Retail trade
Retail trade
26 establishments
- Other services (except public administration)
Other services (except public administration)
19 establishments
- Construction
Construction
16 establishments
- Health care and social assistance 9
Health care and social assistance
9 establishments
- Accommodation and food services 7
Accommodation and food services
7 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 37840, Oliver Springs, 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
10,021
Population
220.7
Area (sq mi)
45
People / sq mi
New York
Time Zone
standard
ZIP Type
Who lives in ZIP 37840?
43.0
Median Age
52.4%
Male
47.6%
Female
0.2%
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?
$75,881
Median Household Income
+14% vs state
$39,417
Per Capita Income
12.7%
Poverty Rate
6.4%
Unemployment Rate
29.5 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?
4,006
Total Housing Units
3,789
Occupied Units
217
Vacant Units
2.64
Avg Household Size
Occupancy Type
$203,600
Median Home Value
-18% vs state
$682
Median Rent
1979
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
+2.2%
YoY Change (2024)
304
HPI Index (2000 = 100)
+204%
Total Change Since 2000
Home values in ZIP 37840 have increased 2.2% over the past year (2024). Since 2000, this ZIP has seen +204% cumulative appreciation.
| Year | Annual Change | HPI Index |
|---|---|---|
| 2020 | +3.6% | 170 |
| 2021 | +11.1% | 189 |
| 2022 | +23.7% | 233 |
| 2023 | +27.5% | 298 |
| 2024 | +2.2% | 304 |
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 108 business establishments in ZIP 37840, employing approximately 695 people with a combined annual payroll of $25,109,000.
108
Businesses
695
Employees
$25.1M
Annual Payroll
11
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Retail trade | 26 | 24.1% |
| Other services (except public administration) | 19 | 17.6% |
| Construction | 16 | 14.8% |
| Health care and social assistance | 9 | 8.3% |
| Accommodation and food services | 7 | 6.5% |
| Wholesale trade | 6 | 5.6% |
| Administrative and support and waste management and remediation services | 6 | 5.6% |
| Professional, scientific, and technical services | 5 | 4.6% |
| Finance and insurance | 4 | 3.7% |
| Manufacturing | 3 | 2.8% |
| Transportation and warehousing | 3 | 2.8% |
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 37840 vs 37719 →
More ZIP Codes in Roane County
Related Areas
Frequently Asked Questions
What county is ZIP code 37840 in? ▼
What is the population of ZIP code 37840? ▼
What is the median household income in ZIP 37840? ▼
What is the average home value in ZIP 37840? ▼
What is the demographic makeup of ZIP 37840? ▼
How many businesses are in ZIP code 37840? ▼
What are the main industries in ZIP code 37840? ▼
How have home values changed in ZIP code 37840? ▼
What is the education level in ZIP code 37840? ▼
What is the average commute time in ZIP 37840? ▼
What percentage of residents own vs. rent in ZIP 37840? ▼
What is the poverty rate in ZIP code 37840? ▼
ZIP Code Research Guides
Official Data Resources for Oliver Springs, 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.