PlainZIP

Martinsburg, OH · standard

ZIP Code 43037

Knox County, Ohio - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.

535
45/sq mi
$69,625
Median income
$273,400
Median home value
10.2%
Bachelor's or higher

The verdict

Martinsburg pairs a below-median household income with above-median home values, in a rural, homeowner-dominated area.

46th pct
household income, US ZIPs
Top 38%
home value, US ZIPs
45
people per sq mi
81%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 43037 against every reporting US ZIP.

ZIP code 43037 is a sparsely populated ZIP (a standard USPS delivery area) in Martinsburg, Knox County, Ohio, home to just 535 residents across 12.0 square miles, a density of 45 people per square mile, in the New York time zone.

ZIP 43037 reports a modest median household income of $69,625 (5% below the Ohio average), while per-capita income is $32,616. 1.7% of residents live below the poverty line, and the unemployment rate reads 10.3%. The typical home here is valued at $273,400 (39% above the state average); renters pay a median of $846 monthly, and 80.5% of units are owner-occupied.

Formal educational attainment runs low here: just 10.2% of adults hold a bachelor's degree or higher, the median age is 61.2, and the average commute is -. A geography-based comparison follows: 5 ZIP codes within about 10 miles of 43037, plus 6 more within Knox County, give a clearer read than the national average alone.

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 43037, Martinsburg, OH · 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

535

Population

12.0

Area (sq mi)

45

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 43037?

61.2

Median Age

39.9%

Male

60.1%

Female

1.7%

Foreign-Born

White 94.9%
African American 4.4%
Asian 0.0%
American Indian or Alaska Native 0.0%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 0.7%
Hispanic or Latino 0.0%

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?

$69,625

Median Household Income

-5% vs state

$32,616

Per Capita Income

1.7%

Poverty Rate

10.3%

Unemployment Rate

How ZIP 43037 ranks nationally

Martinsburg, OH household income vs. every US ZIP code

Median household income, the full national distribution, with this ZIP marked

$69,625 46th percentile higher than 46% of 30,318 US ZIPs

$0–$20,000: 118 US ZIPs (0%). Below this entry. $20,000–$40,000: 1,573 US ZIPs (5%). Below this entry. $40,000–$60,000: 7,092 US ZIPs (23%). Below this entry. $60,000–$80,000: 9,980 US ZIPs (33%). This entry sits in this band. $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 71.6%
Bachelor's Degree or Higher 10.2%

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What does housing look like?

133

Total Housing Units

123

Occupied Units

10

Vacant Units

2.38

Avg Household Size

Occupancy Type

Owner 80.5%
Renter 19.5%

$273,400

Median Home Value

+39% vs state

$846

Median Rent

1951

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 43037, employing approximately 64 people with a combined annual payroll of $2,074,000.

9

Businesses

64

Employees

$2.1M

Annual Payroll

1

Industry Sectors

Industry Establishments % of Total
Retail trade 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 43037 vs 43005 →

ZIP 43037 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 43037 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 43037 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 43037 ranks #6 of 6 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
43005 Bladensburg, OH 174 2.6 mi
43022 Gambier, OH 4,161 4.2 mi
43071 Saint Louisville, OH 2,351 6.7 mi
43080 Utica, OH 5,498 6.0 mi
43028 Howard, OH 7,537 8.6 mi

More ZIP Codes in Knox County

43050 standard
Mount Vernon, OH
Pop: 29,050
43019 standard
Fredericktown, OH
Pop: 8,700
43028 standard
Howard, OH
Pop: 7,537
43822 standard
Frazeysburg, OH
Pop: 4,626
43022 standard
Gambier, OH
Pop: 4,161
43014 standard
Danville, OH
Pop: 3,632

Related Areas

Knox County Martinsburg, OH Ohio

Frequently Asked Questions

What county is ZIP code 43037 in? ▼
ZIP code 43037 (Martinsburg) is located in Knox County, Ohio. Knox County contains multiple ZIP codes, see the full list at /counties/knox-oh.
What is the population of ZIP code 43037? ▼
ZIP code 43037 in Martinsburg, OH has a population of 535 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 43037? ▼
The median household income in ZIP 43037 is $69,625, which is 9% below the national average of $76,288.
What is the average home value in ZIP 43037? ▼
The median home value in ZIP 43037 is $273,400, which is 2% below the national average of $278,155.
What is the demographic makeup of ZIP 43037? ▼
The largest racial group in ZIP 43037 is White at 94.9%.
How many businesses are in ZIP code 43037? ▼
ZIP code 43037 has 9 business establishments employing approximately 64 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What is the education level in ZIP code 43037? ▼
In ZIP code 43037, 71.6% of residents aged 25+ have a high school diploma or higher, and 10.2% 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 43037? ▼
In ZIP code 43037, approximately 80.5% of occupied housing units are owner-occupied and 19.5% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 43037? ▼
The poverty rate in ZIP code 43037 is 1.7% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.

Read our methodology to see how this data is sourced, computed, and verified.