PlainZIP

Goldsboro, MD · standard

ZIP Code 21636

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

1,186
21/sq mi
$73,426
Median income
$320,000
Median home value
8.0%
Bachelor's or higher

The verdict

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

Top 48%
household income, US ZIPs
Top 31%
home value, US ZIPs
21
people per sq mi
86%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 21636 against every reporting US ZIP.

ZIP code 21636 is a sparsely populated ZIP (a standard USPS delivery area) in Goldsboro, Caroline County, Maryland, home to just 1,186 residents across 57.3 square miles, a density of 21 people per square mile, in the New York time zone.

ZIP 21636 lands in the middle-income range, with a median household income of $73,426 (36% below the Maryland average), while per-capita income is $32,549. Poverty here runs at 19.0%, with unemployment measured at 2.5%. On housing, the median home value is $320,000 (28% below the state average) with median rent at $1,655 per month, and 86.3% of occupied units are owner-occupied.

Formal educational attainment runs low here: just 8.0% of adults hold a bachelor's degree or higher, the median age is 44, and the average commute is -. A geography-based comparison follows: 9 ZIP codes within about 10 miles of 21636, plus 6 more within Caroline 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 21636, Goldsboro, MD · 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

1,186

Population

57.3

Area (sq mi)

21

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 21636?

44.0

Median Age

59.9%

Male

40.1%

Female

10.2%

Foreign-Born

White 80.1%
African American 0.4%
Asian 0.0%
American Indian or Alaska Native 3.2%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 4.6%
Hispanic or Latino 17.7%

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?

$73,426

Median Household Income

-36% vs state

$32,549

Per Capita Income

19.0%

Poverty Rate

2.5%

Unemployment Rate

How ZIP 21636 ranks nationally

Goldsboro, MD household income vs. every US ZIP code

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

$73,426 Top 48% higher than 52% 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 68.6%
Bachelor's Degree or Higher 8.0%

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

What does housing look like?

433

Total Housing Units

422

Occupied Units

11

Vacant Units

2.60

Avg Household Size

Occupancy Type

Owner 86.3%
Renter 13.7%

$320,000

Median Home Value

-28% vs state

$1,655

Median Rent

1992

Median Year Built

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

What businesses operate in this ZIP?

Census Bureau data shows 10 business establishments in ZIP 21636, employing approximately 102 people with a combined annual payroll of $6,108,000.

10

Businesses

102

Employees

$6.1M

Annual Payroll

2

Industry Sectors

Industry Establishments % of Total
Construction 3 30.0%
Wholesale trade 3 30.0%

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 21636 vs 21640 →

ZIP 21636 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 21636 ranks #7 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 21636 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 21636 ranks #5 of 9 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
21640 Henderson, MD 1,632 3.2 mi
21639 Greensboro, MD 4,408 4.1 mi
21649 Marydel, MD 1,858 7.9 mi
19964 Marydel, DE 1,340 6.3 mi
21660 Ridgely, MD 4,063 6.6 mi
21644 Ingleside, MD 111 7.1 mi
21607 Barclay, MD 583 8.0 mi
19953 Hartly, DE 4,386 10.5 mi
21641 Hillsboro, MD 117 10.4 mi

More ZIP Codes in Caroline County

21629 standard
Denton, MD
Pop: 9,555
21632 standard
Federalsburg, MD
Pop: 6,353
21655 standard
Preston, MD
Pop: 5,009
21639 standard
Greensboro, MD
Pop: 4,408
21660 standard
Ridgely, MD
Pop: 4,063
21649 standard
Marydel, MD
Pop: 1,858

Related Areas

Caroline County Goldsboro, MD Maryland

Frequently Asked Questions

What county is ZIP code 21636 in? ▼
ZIP code 21636 (Goldsboro) is located in Caroline County, Maryland. Caroline County contains multiple ZIP codes, see the full list at /counties/caroline-md.
What is the population of ZIP code 21636? ▼
ZIP code 21636 in Goldsboro, MD has a population of 1,186 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 21636? ▼
The median household income in ZIP 21636 is $73,426, which is 4% below the national average of $76,288.
What is the average home value in ZIP 21636? ▼
The median home value in ZIP 21636 is $320,000, which is 15% above the national average of $278,155.
What is the demographic makeup of ZIP 21636? ▼
The largest racial group in ZIP 21636 is White at 80.1%. Hispanic or Latino residents make up 17.7% of the population.
How many businesses are in ZIP code 21636? ▼
ZIP code 21636 has 10 business establishments employing approximately 102 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What is the education level in ZIP code 21636? ▼
In ZIP code 21636, 68.6% of residents aged 25+ have a high school diploma or higher, and 8.0% 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 21636? ▼
In ZIP code 21636, approximately 86.3% of occupied housing units are owner-occupied and 13.7% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 21636? ▼
The poverty rate in ZIP code 21636 is 19.0% 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.