Mount Holly, NC ZIP Codes
2 ZIP codes serve Mount Holly, North Carolina: 28012 and 28120. Together they are home to 52,361 residents in 21,382 households. That is more than the 18,208 people counted inside Mount Holly city limits, because these ZIP codes reach past its boundary. Median household income ranges from $78,231 in 28120 to $83,391 in 28012.
Mount Holly city limits (Census)
| Measure | Census figure |
|---|---|
| Residents | 18,208 |
| Households | 7,307 |
| Median household income | $79,385 |
| Median home value | $337,800 |
| Median age | 39 |
| Median rent | $1,256 |
All 2 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 52,361 |
| Households (sum of ZIP codes) | 21,382 |
| Median household income, range across ZIP codes | $78,231 (28120) to $83,391 (28012) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $80,920 |
| Homeowners | 72.0% |
| Households with kids under 18 | 29.9% |
| Moved in the past year | 10.0% |
| Carrier routes in EDDM2GO's route library | 35 routes, 24,896 homes (2 of 2 ZIP codes) |
Top facts
- Highest median household income in Mount Holly: 28012 ($83,391)
- Most residents: 28012 (26,556 people)
- Highest homeownership: 28120 (74.7% own their home)
- Most households with kids: 28120 (32.8% of households)
- Most new movers: 28012 (11.4% moved in last year)
- Youngest median age: 28012 (40.2 years)
- Highest median home value: 28012 ($374,100)
Every ZIP code in Mount Holly
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 28012 | Belmont | 26,556 | 11,141 | $83,391 | $374,100 | 69.6% | 27.3% | 11.4% | 18 | 14,524 | 5% of its land |
| 28120 | Mount Holly | 25,805 | 10,241 | $78,231 | $321,500 | 74.7% | 32.8% | 8.5% | 17 | 11,295 | 31% of its land; mailing city |
A ZIP code is listed for Mount Holly when at least 10% of its land lies inside Mount Holly city limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Mount Holly. The table shows which applies. Totals add up whole ZIP codes, so they include any parts outside Mount Holly.
Counties
- Gaston County — 16 ZIP codes
Nearby cities sharing these ZIP codes
Price a mailing to Mount Holly ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Mount Holly, NC?
- 28012 and 28120. A ZIP code is listed for Mount Holly when at least 10% of its land lies inside Mount Holly city limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Mount Holly.
- What is the population of Mount Holly, NC?
- The Census Bureau counts 18,208 residents inside Mount Holly city limits (ACS 2020–2024). The 2 ZIP codes that serve Mount Holly hold 52,361 residents in all.
- What is the median household income in Mount Holly, NC?
- $79,385 inside Mount Holly city limits, per the Census Bureau. Across its ZIP codes the medians run from $78,231 to $83,391.
- Which Mount Holly ZIP code has the highest median household income?
- 28012, at $83,391, among ZIP codes with at least 1,000 residents.
- How many carrier routes and mailboxes are in Mount Holly, NC?
- For the 2 of 2 ZIP codes in EDDM2GO's stored route library: 35 carrier routes reaching 24,896 residential and 921 business mailboxes.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.