Hamilton, NC · standard
ZIP Code 27840
Martin County, North Carolina — Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 514
- 16/sq mi
- $37,857
- Median income
- $61,800
- Median home value
- 12.7%
- Bachelor's or higher
The verdict
Hamilton pairs one of the lowest household incomes in the country with among the most affordable home values nationally, in a rural, homeowner-dominated area.
- 5th pct
- household income, US ZIPs
- 2th pct
- home value, US ZIPs
- 16
- people per sq mi
- 90%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 27840 against every reporting US ZIP.
ZIP code 27840 is classified by USPS as a standard delivery area and covers roughly 32.7 square miles in Hamilton, Martin County, North Carolina. The area is home to 514 residents, producing a population density of 16 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 27840 against North Carolina and the nation.
On the economic side, the median household income for ZIP 27840 sits at $37,857 (45% below the North Carolina average), while per-capita income is $23,652. The poverty rate stands at 24.8% and the unemployment rate at 10.0%. On housing, the median home value is $61,800 (76% below the state average) with median rent at — per month, and 90.3% of occupied units are owner-occupied, a direct signal of whether 27840 behaves more like a homeowner neighborhood or a renter-heavy ZIP.
Education and household profile round out the picture: 12.7% of adults hold a bachelor's degree or higher, the median age is 60.2, and the average commute is —. We also surface 7 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Martin County, so you can benchmark 27840 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 27840, Hamilton, 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
514
Population
32.7
Area (sq mi)
16
People / sq mi
New York
Time Zone
standard
ZIP Type
Who lives in ZIP 27840?
60.2
Median Age
48.4%
Male
51.6%
Female
2.0%
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?
$37,857
Median Household Income
-45% vs state
$23,652
Per Capita Income
24.8%
Poverty Rate
10.0%
Unemployment Rate
How ZIP 27840 ranks nationally
Household income vs. every US ZIP code
Median household income — the full national distribution, with this ZIP marked
$37,857 5th percentile higher than 5% 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?
191
Total Housing Units
134
Occupied Units
57
Vacant Units
2.28
Avg Household Size
Occupancy Type
$61,800
Median Home Value
-76% vs state
1966
Median Year Built
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What businesses operate in this ZIP?
Census Bureau data shows 7 business establishments in ZIP 27840, employing approximately 286 people with a combined annual payroll of $15,664,000.
7
Businesses
286
Employees
$15.7M
Annual Payroll
0
Industry Sectors
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 27840 vs 27857 →
ZIP 27840 vs its nearest neighbors, by population
Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 27871
Robersonville (27871)
4,619 residents
- 27812
Bethel (27812)
2,593 residents
- 27849 1,544
Lewiston Woodville (27849)
1,544 residents
- 27857 1,298
Oak City (27857)
1,298 residents
- 27840 514
Hamilton (27840)
514 residents
- 27825 103
Everetts (27825)
103 residents
- 27841 84
Hassell (27841)
84 residents
- 27861 71
Parmele (27861)
71 residents
What this shows Among its immediate neighbors, ZIP 27840 ranks #5 by population — useful context the national average alone can't give.
ZIP 27840 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 27857
Oak City (27857)
$61,389 median income
- 27812
Bethel (27812)
$53,268 median income
- 27849
Lewiston Woodville (27849)
$46,594 median income
- 27871
Robersonville (27871)
$46,172 median income
- 27825
Everetts (27825)
$43,750 median income
- 27840
Hamilton (27840)
$37,857 median income
- 27861
Parmele (27861)
$28,681 median income
- 27841 $21,667
Hassell (27841)
$21,667 median income
What this shows By household income, ZIP 27840 ranks #6 of 8 neighboring ZIPs — local affluence varies block to block, not just metro to metro.
More ZIP Codes in Martin County
Related Areas
Frequently Asked Questions
What county is ZIP code 27840 in? ▼
What is the population of ZIP code 27840? ▼
What is the median household income in ZIP 27840? ▼
What is the average home value in ZIP 27840? ▼
What is the demographic makeup of ZIP 27840? ▼
How many businesses are in ZIP code 27840? ▼
What is the education level in ZIP code 27840? ▼
What percentage of residents own vs. rent in ZIP 27840? ▼
What is the poverty rate in ZIP code 27840? ▼
ZIP Code Research Guides
Official Data Resources for Hamilton, 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.