Sealevel, NC · standard
ZIP Code 28577
Carteret County, North Carolina — Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 522
- 76/sq mi
- $96,563
- Median income
- $540,300
- Median home value
- 31.5%
- Bachelor's or higher
The verdict
Sealevel pairs an upper-quartile household income with upper-quartile home values, in a rural, mixed-tenure area.
- Top 21%
- household income, US ZIPs
- Top 11%
- home value, US ZIPs
- 76
- people per sq mi
- 52%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 28577 against every reporting US ZIP.
ZIP code 28577 is classified by USPS as a standard delivery area and covers roughly 6.9 square miles in Sealevel, Carteret County, North Carolina. The area is home to 522 residents, producing a population density of 76 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 28577 against North Carolina and the nation.
On the economic side, the median household income for ZIP 28577 sits at $96,563 (40% above the North Carolina average), while per-capita income is $37,696. The poverty rate stands at 11.0% and the unemployment rate at 0.0%. On housing, the median home value is $540,300 (108% above the state average) with median rent at $1,040 per month, and 51.5% of occupied units are owner-occupied, a direct signal of whether 28577 behaves more like a homeowner neighborhood or a renter-heavy ZIP.
Education and household profile round out the picture: 31.5% of adults hold a bachelor's degree or higher, the median age is 57.5, and the average commute is —. We also surface 7 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Carteret County, so you can benchmark 28577 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 →
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 28577, Sealevel, NC · 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
522
Population
6.9
Area (sq mi)
76
People / sq mi
New York
Time Zone
standard
ZIP Type
Who lives in ZIP 28577?
57.5
Median Age
43.4%
Male
56.6%
Female
1.9%
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?
$96,563
Median Household Income
+40% vs state
$37,696
Per Capita Income
11.0%
Poverty Rate
0.0%
Unemployment Rate
How ZIP 28577 ranks nationally
Household income vs. every US ZIP code
Median household income — the full national distribution, with this ZIP marked
$96,563 Top 21% higher than 79% of 30,318 US ZIPs
Each bar is a $20K-wide band; taller bars hold more US ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.
Source U.S. Census Bureau — ACS 5-Year Estimates · 2019–2023
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?
203
Total Housing Units
101
Occupied Units
102
Vacant Units
2.17
Avg Household Size
Occupancy Type
$540,300
Median Home Value
+108% vs state
$1,040
Median Rent
1996
Median Year Built
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What businesses operate in this ZIP?
Census Bureau data shows 9 business establishments in ZIP 28577, employing approximately 84 people with a combined annual payroll of $4,301,000.
9
Businesses
84
Employees
$4.3M
Annual Payroll
2
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Wholesale trade | 3 | 33.3% |
| Accommodation and food services | 3 | 33.3% |
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 28577 vs 28511 →
ZIP 28577 vs its nearest neighbors, by population
Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 28511
Atlantic (28511)
694 residents
- 28579
Smyrna (28579)
622 residents
- 28577
Sealevel (28577)
522 residents
- 28553
Marshallberg (28553)
454 residents
- 28524
Davis (28524)
426 residents
- 28520
Cedar Island (28520)
327 residents
- 28581 214
Stacy (28581)
214 residents
- 28589 180
Williston (28589)
180 residents
What this shows Among its immediate neighbors, ZIP 28577 ranks #3 by population — useful context the national average alone can't give.
ZIP 28577 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 28577
Sealevel (28577)
$96,563 median income
- 28553
Marshallberg (28553)
$88,984 median income
- 28520
Cedar Island (28520)
$80,859 median income
- 28524
Davis (28524)
$74,219 median income
- 28579
Smyrna (28579)
$64,519 median income
- 28511
Atlantic (28511)
$55,978 median income
What this shows By household income, ZIP 28577 ranks the highest of 6 neighboring ZIPs — local affluence varies block to block, not just metro to metro.
More ZIP Codes in Carteret County
Related Areas
Frequently Asked Questions
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How many businesses are in ZIP code 28577? ▼
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ZIP Code Research Guides
Official Data Resources for Sealevel, NC
Verify and explore additional data for this area using these official government sources.
Read our methodology to see how this data is sourced, computed, and verified.