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

Neighborhood Scorecard
Get an A-F grade across income, safety, housing, rent, education, commute, and childcare for this ZIP code.
View Scorecard →

Who lives in ZIP 27840?

60.2

Median Age

48.4%

Male

51.6%

Female

2.0%

Foreign-Born

White 22.2%
African American 64.4%
Asian 0.0%
American Indian or Alaska Native 0.0%
Native Hawaiian or Pacific Islander 1.3%
Two or More Ethnicities 6.5%
Hispanic or Latino 9.8%

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

$0–$20,000: 118 US ZIPs (0%). Below this entry. $20,000–$40,000: 1,573 US ZIPs (5%). This entry sits in this band. $40,000–$60,000: 7,092 US ZIPs (23%). Above this entry. $60,000–$80,000: 9,980 US ZIPs (33%). Above this entry. $80,000–$100,000: 5,778 US ZIPs (19%). Above this entry. $100,000–$120,000: 2,855 US ZIPs (9%). Above this entry. $120,000–$140,000: 1,362 US ZIPs (4%). Above this entry. $140,000–$160,000: 686 US ZIPs (2%). Above this entry. $160,000–$180,000: 364 US ZIPs (1%). Above this entry. $180,000–$200,000: 186 US ZIPs (1%). Above this entry. $200,000–$220,000: 324 US ZIPs (1%). Above this entry. This ZIP $0 $200K+ every reporting US ZIP, bucketed by value

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?

High School Graduate or Higher 58.0%
Bachelor's Degree or Higher 12.7%

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

Owner 90.3%
Renter 9.7%

$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.

residents

What this shows Among its immediate neighbors, ZIP 27840 ranks #5 by population — useful context the national average alone can't give.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023

ZIP 27840 vs its nearest neighbors, by median income

Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.

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.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023
ZIP Code City Population Distance
27857 Oak City, NC 1,298 3.7 mi
27841 Hassell, NC 84 4.6 mi
27849 Lewiston Woodville, NC 1,544 7.8 mi
27825 Everetts, NC 103 9.1 mi
27871 Robersonville, NC 4,619 10.5 mi
27861 Parmele, NC 71 11.4 mi
27812 Bethel, NC 2,593 12.9 mi

More ZIP Codes in Martin County

Frequently Asked Questions

What county is ZIP code 27840 in?
ZIP code 27840 (Hamilton) is located in Martin County, North Carolina. Martin County contains multiple ZIP codes, see the full list at /counties/martin-nc.
What is the population of ZIP code 27840?
ZIP code 27840 in Hamilton, NC has a population of 514 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 27840?
The median household income in ZIP 27840 is $37,857, which is 50% below the national average of $76,288.
What is the average home value in ZIP 27840?
The median home value in ZIP 27840 is $61,800, which is 78% below the national average of $278,155.
What is the demographic makeup of ZIP 27840?
The largest racial group in ZIP 27840 is African American at 64.4%. Hispanic or Latino residents make up 9.8% of the population.
How many businesses are in ZIP code 27840?
ZIP code 27840 has 7 business establishments employing approximately 286 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What is the education level in ZIP code 27840?
In ZIP code 27840, 58.0% of residents aged 25+ have a high school diploma or higher, and 12.7% 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 27840?
In ZIP code 27840, approximately 90.3% of occupied housing units are owner-occupied and 9.7% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 27840?
The poverty rate in ZIP code 27840 is 24.8% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.

ZIP Code Research Guides

Official Data Resources for Hamilton, NC

Verify and explore additional data for this area using these official government sources.