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 Moderate-density area
- $73,426
- Median income Near-median income area
- $320,000
- Median home value Above-median home value
- 8.0%
- Bachelor's or higher Below-average bachelor's attainment
National ZIP placement
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 average Maryland ZIP), while per-capita income is $32,549. The poverty rate is 19.0%, with unemployment at 2.5%; those measures add context to the income figure. Home values sit below the statewide ZIP benchmark: the median is $320,000 (28% below the average Maryland ZIP), and median rent is $1,655; owner occupancy is 86.3%.
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 -. The page also surfaces 9 ZIP codes within roughly 10 miles and 6 more in Caroline County, so 21636 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 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
Who lives in ZIP 21636?
44.0
Median Age
59.9%
Male
40.1%
Female
10.2%
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?
$73,426
Median Household Income
-36% vs state ZIP avg
$32,549
Per Capita Income
19.0%
Poverty Rate
2.5%
Unemployment Rate
How ZIP 21636 ranks among Maryland ZIPs
Goldsboro, MD household income vs. every Maryland ZIP code
Median household income among 419 reporting Maryland ZIPs (this ZIP's population is too small for a reliable national-corpus placement)
$73,426 17th percentile higher than 17% of 419 Maryland ZIPs
Each bar is a $20K-wide band; taller bars hold more Maryland 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
433housing units
433
Total Housing Units
422
Occupied Units
11
Vacant Units
2.60
Avg Household Size
Occupancy Type
$320,000
Median Home Value
-28% vs state ZIP avg
$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.
- 21639
Greensboro (21639)
4,408 residents
- 19953
Hartly (19953)
4,386 residents
- 21660
Ridgely (21660)
4,063 residents
- 21649
Marydel (21649)
1,858 residents
- 21640 1,632
Henderson (21640)
1,632 residents
- 19964 1,340
Marydel (19964)
1,340 residents
- 21636 1,186
Goldsboro (21636)
1,186 residents
- 21607 583
Barclay (21607)
583 residents
- 21641 117
Hillsboro (21641)
117 residents
What this shows Among its immediate neighbors, ZIP 21636 ranks #7 by population - useful context the national average alone can't give.
ZIP 21636 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 19964
Marydel (19964)
$99,402 median income
- 21607
Barclay (21607)
$91,250 median income
- 19953
Hartly (19953)
$81,792 median income
- 21660
Ridgely (21660)
$80,469 median income
- 21636
Goldsboro (21636)
$73,426 median income
- 21649
Marydel (21649)
$68,542 median income
- 21641
Hillsboro (21641)
$66,875 median income
- 21639
Greensboro (21639)
$62,772 median income
- 21640
Henderson (21640)
$53,558 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.
| 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 |
Nationwide ZIPs with similar ACS profiles
Two Census-derived peer sets for ZIP 21636, both outside MD so the neighborhoods are not geographic containment (Nearby and same-county blocks stay local).
Similar population
Nearest cross-state ZIPs by resident population (1,186 here; floor ≥1,000).
Similar median household income
Nearest cross-state ZIPs by ACS median household income.
More ZIP Codes in Caroline County
Related Areas
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.
Related
Take this with you
What to do with ZIP 21636's numbers, next.
- See how ZIP 21636 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Goldsboro, MD 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.