Union County, TN ZIP Codes
6 ZIP codes cover all or part of Union County, Tennessee: 37807, 37705, 37870, 37779, 37866 and 37848. The Census Bureau counts 20,431 residents in the county, with a median household income of $62,727 and a median home value of $204,000. Median household income ranges from $51,357 in 37779 to $79,262 in 37705. Its largest communities include Maynardville, Plainview and Luttrell.
Union County (Census county figures)
| Measure | Census figure |
|---|---|
| Residents | 20,431 |
| Households | 7,931 |
| Median household income | $62,727 |
| Median home value | $204,000 |
| Median age | 42.7 |
| Median rent | $847 |
All 6 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 26,955 |
| Households (sum of ZIP codes) | 10,229 |
| Median household income, range across ZIP codes | $51,357 (37779) to $79,262 (37705) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $64,399 |
| Homeowners | 82.1% |
| Households with kids under 18 | 29.4% |
| Moved in the past year | 8.1% |
| Carrier routes in EDDM2GO's route library | 21 routes, 12,200 homes (6 of 6 ZIP codes) |
Top facts
- Highest median household income in Union County: 37705 ($79,262)
- Most residents: 37807 (11,069 people)
- Highest homeownership: 37866 (93.9% own their home)
- Most households with kids: 37866 (36.3% of households)
- Most new movers: 37705 (13.3% moved in last year)
- Youngest median age: 37779 (42.2 years)
- Highest median home value: 37705 ($286,400)
Every ZIP code in Union County
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 37807 | Maynardville | 11,069 | 4,226 | $62,673 | $215,100 | 74.3% | 28.5% | 5.8% | 8 | 5,049 | 99% of its land |
| 37705 | Andersonville | 5,239 | 1,844 | $79,262 | $286,400 | 88.3% | 27.2% | 13.3% | 4 | 2,347 | 31% of its land |
| 37870 | Speedwell | 4,385 | 1,653 | $55,516 | $126,400 | 82.9% | 27.8% | 9.8% | 4 | 2,048 | 10% of its land |
| 37779 | Luttrell | 3,649 | 1,416 | $51,357 | $162,900 | 86.7% | 32.5% | 4.1% | 2 | 1,726 | 96% of its land |
| 37866 | Sharps Chapel | 2,468 | 1,027 | $77,091 | $279,000 | 93.9% | 36.3% | 10.5% | 2 | 1,258 | 100% of its land |
| 37848 | Powder Springs | 145 | 63 | — | $167,900 | 100.0% | 15.9% | 0.0% | 1 | 180 | 25% of its land |
A ZIP code is listed for Union 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
- Maynardville — 2,528 residents · 1 ZIP code
- Plainview — 2,458 residents · 2 ZIP codes
- Luttrell — 1,158 residents · 1 ZIP code
Rankings
- Richest ZIP codes in Union County — 5 ZIP codes ranked
- ZIP codes with the highest home values in Union County — 5 ZIP codes ranked
- ZIP codes with the highest homeownership in Union County — 5 ZIP codes ranked
- ZIP codes with the most families with kids in Union County — 5 ZIP codes ranked
- ZIP codes with the most new movers in Union County — 5 ZIP codes ranked
- Youngest ZIP codes in Union County — 5 ZIP codes ranked
- Oldest ZIP codes in Union County — 5 ZIP codes ranked
- Fastest-growing ZIP codes in Union County — 5 ZIP codes ranked
Price a mailing to Union County ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Union County, TN?
- 37807, 37705, 37870, 37779, 37866 and 37848. Some cross the county line; the table shows each ZIP's share of land in the county.
- What is the population of Union County?
- 20,431 residents in 7,931 households (ACS 5-year estimates, 2020–2024).
- What is the median household income in Union County?
- $62,727 for the county as a whole. Its ZIP codes range from $51,357 (37779) to $79,262 (37705).
- Which Union County ZIP code has the highest median household income?
- 37705, at $79,262, among ZIP codes with at least 1,000 residents. See the full ranking of Union County ZIP codes by income.
- How many carrier routes and mailboxes are in Union County?
- For the 6 of 6 ZIP codes in EDDM2GO's stored route library: 21 carrier routes reaching 12,200 residential and 407 business mailboxes.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.