Rhea County, TN ZIP Codes
4 ZIP codes cover all or part of Rhea County, Tennessee: 37321, 37381, 37332 and 37337. The Census Bureau counts 33,992 residents in the county, with a median household income of $55,033 and a median home value of $206,000. Median household income ranges from $48,359 in 37337 to $59,479 in 37332. Its largest communities include Dayton, Spring City and Graysville.
Rhea County (Census county figures)
| Measure | Census figure |
|---|---|
| Residents | 33,992 |
| Households | 13,475 |
| Median household income | $55,033 |
| Median home value | $206,000 |
| Median age | 42 |
| Median rent | $839 |
All 4 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 34,760 |
| Households (sum of ZIP codes) | 13,694 |
| Median household income, range across ZIP codes | $48,359 (37337) to $59,479 (37332) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $55,399 |
| Homeowners | 72.6% |
| Households with kids under 18 | 29.1% |
| Moved in the past year | 11.0% |
| Carrier routes in EDDM2GO's route library | 27 routes, 15,858 homes (4 of 4 ZIP codes) |
Top facts
- Highest median household income in Rhea County: 37332 ($59,479)
- Most residents: 37321 (21,084 people)
- Highest homeownership: 37332 (90.8% own their home)
- Most households with kids: 37321 (29.6% of households)
- Most new movers: 37381 (13.9% moved in last year)
- Youngest median age: 37321 (40.2 years)
- Highest median home value: 37381 ($230,100)
Every ZIP code in Rhea County
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 37321 | Dayton | 21,084 | 8,321 | $54,684 | $192,700 | 66.6% | 29.6% | 9.5% | 15 | 9,604 | 95% of its land |
| 37381 | Spring City | 10,711 | 4,124 | $56,869 | $230,100 | 80.3% | 29.2% | 13.9% | 8 | 4,903 | 80% of its land |
| 37332 | Evensville | 1,724 | 780 | $59,479 | $188,000 | 90.8% | 23.5% | 11.7% | 2 | 1,352 | 94% of its land |
| 37337 | Grandview | 1,241 | 469 | $48,359 | $184,900 | 80.0% | 27.3% | 10.9% | 2 | 782 | 50% of its land |
A ZIP code is listed for Rhea County when at least 10% of its land is in the county, when it holds at least 10% of the county's land, or when the county is its main county. Totals add up whole ZIP codes, including parts that cross the county line; the Census county figures above do not.
Cities and communities
- Dayton — 7,625 residents · 1 ZIP code
- Spring City — 2,358 residents · 1 ZIP code
- Graysville — 1,304 residents · 2 ZIP codes
Price a mailing to Rhea County ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Rhea County, TN?
- 37321, 37381, 37332 and 37337. Some cross the county line; the table shows each ZIP's share of land in the county.
- What is the population of Rhea County?
- 33,992 residents in 13,475 households (ACS 5-year estimates, 2020–2024).
- What is the median household income in Rhea County?
- $55,033 for the county as a whole. Its ZIP codes range from $48,359 (37337) to $59,479 (37332).
- Which Rhea County ZIP code has the highest median household income?
- 37332, at $59,479, among ZIP codes with at least 1,000 residents.
- How many carrier routes and mailboxes are in Rhea County?
- For the 4 of 4 ZIP codes in EDDM2GO's stored route library: 27 carrier routes reaching 15,858 residential and 771 business mailboxes.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.