Polk County, NC ZIP Codes
6 ZIP codes cover all or part of Polk County, North Carolina: 28139, 28731, 28782, 28722, 28756 and 28773. The Census Bureau counts 19,891 residents in the county, with a median household income of $67,758 and a median home value of $315,000. Median household income ranges from $56,558 in 28139 to $72,946 in 28782. Its largest communities include Tryon, Columbus and Saluda.
Polk County (Census county figures)
| Measure | Census figure |
|---|---|
| Residents | 19,891 |
| Households | 8,976 |
| Median household income | $67,758 |
| Median home value | $315,000 |
| Median age | 54.9 |
| Median rent | $1,178 |
All 6 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 49,432 |
| Households (sum of ZIP codes) | 21,131 |
| Median household income, range across ZIP codes | $56,558 (28139) to $72,946 (28782) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $63,827 |
| Homeowners | 78.8% |
| Households with kids under 18 | 21.7% |
| Moved in the past year | 12.4% |
| Carrier routes in EDDM2GO's route library | 44 routes, 24,179 homes (6 of 6 ZIP codes) |
Top facts
- Highest median household income in Polk County: 28782 ($72,946)
- Most residents: 28139 (20,008 people)
- Highest homeownership: 28731 (85.6% own their home)
- Most households with kids: 28756 (42.1% of households)
- Most new movers: 28782 (18.3% moved in last year)
- Youngest median age: 28756 (38.4 years)
- Highest median home value: 28773 ($413,700)
Every ZIP code in Polk County
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 28139 | Rutherfordton | 20,008 | 8,124 | $56,558 | $240,200 | 78.6% | 22.9% | 11.8% | 16 | 9,344 | 13% of its land |
| 28731 | Flat Rock | 8,672 | 3,783 | $66,309 | $402,300 | 85.6% | 17.4% | 16.9% | 7 | 5,217 | 19% of its land |
| 28782 | Tryon | 6,519 | 3,240 | $72,946 | $345,200 | 79.5% | 13.5% | 18.3% | 7 | 3,455 | 100% of its land |
| 28722 | Columbus | 6,086 | 2,759 | $67,760 | $307,300 | 69.4% | 17.8% | 8.2% | 6 | 3,515 | 100% of its land |
| 28756 | Mill Spring | 4,706 | 1,834 | $63,663 | $277,600 | 75.1% | 42.1% | 6.8% | 4 | 2,073 | 99% of its land |
| 28773 | Saluda | 3,441 | 1,391 | $70,703 | $413,700 | 84.0% | 25.7% | 8.6% | 4 | 1,778 | 74% of its land |
A ZIP code is listed for Polk 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
- Tryon — 1,810 residents · 1 ZIP code
- Columbus — 1,071 residents · 2 ZIP codes
- Saluda — 683 residents · 1 ZIP code
Rankings
- Richest ZIP codes in Polk County — 6 ZIP codes ranked
- ZIP codes with the highest home values in Polk County — 6 ZIP codes ranked
- ZIP codes with the highest homeownership in Polk County — 6 ZIP codes ranked
- ZIP codes with the most families with kids in Polk County — 6 ZIP codes ranked
- ZIP codes with the most new movers in Polk County — 6 ZIP codes ranked
- Youngest ZIP codes in Polk County — 6 ZIP codes ranked
- Oldest ZIP codes in Polk County — 6 ZIP codes ranked
- Fastest-growing ZIP codes in Polk County — 6 ZIP codes ranked
Price a mailing to Polk County ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Polk County, NC?
- 28139, 28731, 28782, 28722, 28756 and 28773. Some cross the county line; the table shows each ZIP's share of land in the county.
- What is the population of Polk County?
- 19,891 residents in 8,976 households (ACS 5-year estimates, 2020–2024).
- What is the median household income in Polk County?
- $67,758 for the county as a whole. Its ZIP codes range from $56,558 (28139) to $72,946 (28782).
- Which Polk County ZIP code has the highest median household income?
- 28782, at $72,946, among ZIP codes with at least 1,000 residents. See the full ranking of Polk County ZIP codes by income.
- How many carrier routes and mailboxes are in Polk County?
- For the 6 of 6 ZIP codes in EDDM2GO's stored route library: 44 carrier routes reaching 24,179 residential and 1,201 business mailboxes.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.