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 Moderate-density area
- $96,563
- Median income Above-median income area
- $540,300
- Median home value Above-median home value
- 31.5%
- Bachelor's or higher Above-average bachelor's attainment
National ZIP placement
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 a sparsely populated ZIP (a standard USPS delivery area) in Sealevel, Carteret County, North Carolina, home to just 522 residents across 6.9 square miles, a density of 76 people per square mile, in the New York time zone.
ZIP 28577 lands in the middle-income range, with a median household income of $96,563 (40% above the average North Carolina ZIP), while per-capita income is $37,696. The poverty rate is 11.0%, with unemployment at 0.0%; those measures add context to the income figure. Median home value is $540,300 (108% above the average North Carolina ZIP) and median rent is $1,040; 51.5% of occupied homes are owner-occupied.
A solid share of residents have a four-year degree: 31.5% of adults hold a bachelor's degree or higher, the median age is 57.5, and the average commute is -. The page also surfaces 7 ZIP codes within roughly 10 miles and 6 more in Carteret County, so 28577 can be compared with both its immediate and county-level context.
Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →
Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, 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; 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 ZIP avg
$37,696
Per Capita Income
11.0%
Poverty Rate
0.0%
Unemployment Rate
How ZIP 28577 ranks among North Carolina ZIPs
Sealevel, NC household income vs. every North Carolina ZIP code
Median household income among 749 reporting North Carolina ZIPs (this ZIP's population is too small for a reliable national-corpus placement)
$96,563 Top 11% higher than 89% of 749 North Carolina ZIPs
Each bar is a $20K-wide band; taller bars hold more North Carolina 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?
Housing stock: occupied vs vacant
203housing units
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 ZIP avg
$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.
Nationwide ZIPs with similar ACS profiles
Two Census-derived peer sets for ZIP 28577, both outside NC so the neighborhoods are not geographic containment (Nearby and same-county blocks stay local).
Similar median household income
Nearest cross-state ZIPs by ACS median household income.
More ZIP Codes in Carteret County
Related Areas
Frequently Asked Questions
What county is ZIP code 28577 in?
ZIP code 28577 (Sealevel) is located in Carteret County, North Carolina. Carteret County contains multiple ZIP codes, see the full list at /counties/carteret-nc.
What is the population of ZIP code 28577?
ZIP code 28577 in Sealevel, NC has a population of 522 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 28577?
The median household income in ZIP 28577 is $96,563, which is 27% above the national average of $76,288.
What is the average home value in ZIP 28577?
The median home value in ZIP 28577 is $540,300, which is 94% above the national average of $278,155.
What is the demographic makeup of ZIP 28577?
The largest racial group in ZIP 28577 is White at 86.8%. Hispanic or Latino residents make up 1.6% of the population.
How many businesses are in ZIP code 28577?
ZIP code 28577 has 9 business establishments employing approximately 84 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What is the education level in ZIP code 28577?
In ZIP code 28577, 59.3% of residents aged 25+ have a high school diploma or higher, and 31.5% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What percentage of residents own vs. rent in ZIP 28577?
In ZIP code 28577, approximately 51.5% of occupied housing units are owner-occupied and 48.5% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 28577?
The poverty rate in ZIP code 28577 is 11.0% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.
Related
Take this with you
What to do with ZIP 28577's numbers, next.
- See how ZIP 28577 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Sealevel, NC ranks among every U.S. ZIP code on income, education, or homeownership View national rankings
- Save this ZIP to your shortlist to track alongside others you're considering View your shortlist
ZIP Code Tabulation Areas (ZCTAs) are Census Bureau approximations of USPS ZIP codes; figures describe the ZCTA area, not any single address within it.