PlainZIP

Port Tobacco, MD · standard

ZIP Code 20677

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

2,322
58/sq mi
$165,764
Median income
$576,700
Median home value
39.1%
Bachelor's or higher

The verdict

Port Tobacco pairs a top-decile household income with top-decile home values, in a rural, homeowner-dominated area.

Top 2%
household income, US ZIPs
Top 10%
home value, US ZIPs
58
people per sq mi
97%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 20677 against every reporting US ZIP.

ZIP code 20677 is classified by USPS as a standard delivery area and covers roughly 39.8 square miles in Port Tobacco, Charles County, Maryland. The area is home to 2,322 residents, producing a population density of 58 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 20677 against Maryland and the nation.

On the economic side, the median household income for ZIP 20677 sits at $165,764 (45% above the Maryland average), while per-capita income is $61,925. The poverty rate stands at 6.0% and the unemployment rate at 5.6%. On housing, the median home value is $576,700 (29% above the state average) with median rent at — per month, and 97.0% of occupied units are owner-occupied, a direct signal of whether 20677 behaves more like a homeowner neighborhood or a renter-heavy ZIP.

Education and household profile round out the picture: 39.1% of adults hold a bachelor's degree or higher, the median age is 51.5, and the average commute is —. We also surface 10 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Charles County, so you can benchmark 20677 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 →

Top industries in ZIP 20677

Top 5 sectors by establishment count

Which industries have the most business establishments in ZIP 20677.

establishments

What this shows Establishment counts come from the Census ZIP Code Business Patterns program, which counts physical business locations rather than employees or revenue.

Source U.S. Census Bureau · ZIP Code Business Patterns (ZBP) As of 2023

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 20677, Port Tobacco, MD · 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

2,322

Population

39.8

Area (sq mi)

58

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 20677?

51.5

Median Age

49.5%

Male

50.5%

Female

7.1%

Foreign-Born

White 66.5%
African American 19.2%
Asian 5.4%
American Indian or Alaska Native 0.0%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 7.3%
Hispanic or Latino 4.8%

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?

$165,764

Median Household Income

+45% vs state

$61,925

Per Capita Income

6.0%

Poverty Rate

5.6%

Unemployment Rate

How ZIP 20677 ranks nationally

Household income vs. every US ZIP code

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

$165,764 Top 2% higher than 98% 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%). Below this entry. $80,000–$100,000: 5,778 US ZIPs (19%). Below this entry. $100,000–$120,000: 2,855 US ZIPs (9%). Below this entry. $120,000–$140,000: 1,362 US ZIPs (4%). Below this entry. $140,000–$160,000: 686 US ZIPs (2%). Below this entry. $160,000–$180,000: 364 US ZIPs (1%). This entry sits in this band. $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 74.0%
Bachelor's Degree or Higher 39.1%

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

What does housing look like?

792

Total Housing Units

769

Occupied Units

23

Vacant Units

2.69

Avg Household Size

Occupancy Type

Owner 97.0%
Renter 3.0%

$576,700

Median Home Value

+29% vs state

1987

Median Year Built

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

How have home values changed over time?

FHFA House Price Index, annual appreciation data based on repeat sales and appraisals

+15.0%

YoY Change (2024)

255

HPI Index (2000 = 100)

+155%

Total Change Since 2000

Home values in ZIP 20677 have increased 15.0% over the past year (2024). Since 2000, this ZIP has seen +155% cumulative appreciation.

Year Annual Change HPI Index
2020 +8.7% 171
2021 +6.6% 182
2022 +7.9% 196
2023 +13.1% 222
2024 +15.0% 255

Source: Federal Housing Finance Agency (FHFA) House Price Index, All-Transactions, Five-Digit ZIP Codes (Developmental Index). Index base = 100 in year 2000. Data through 2024. ZIP codes with few transactions may show missing values.

What businesses operate in this ZIP?

Census Bureau data shows 39 business establishments in ZIP 20677, employing approximately 208 people with a combined annual payroll of $9,262,000.

39

Businesses

208

Employees

$9.3M

Annual Payroll

7

Industry Sectors

Industry Establishments % of Total
Professional, scientific, and technical services 7 17.9%
Transportation and warehousing 6 15.4%
Construction 5 12.8%
Other services (except public administration) 5 12.8%
Retail trade 3 7.7%
Real estate and rental and leasing 3 7.7%
Administrative and support and waste management and remediation services 3 7.7%

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 20677 vs 20646 →

ZIP 20677 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 20677 ranks #6 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 20677 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 20677 ranks the highest 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
20646 La Plata, MD 18,890 2.7 mi
20693 Welcome, MD 1,088 3.8 mi
20611 Bel Alton, MD 1,078 4.1 mi
20675 Pomfret, MD 1,671 5.7 mi
20632 Faulkner, MD 347 6.7 mi
20695 White Plains, MD 6,794 7.3 mi
20640 Indian Head, MD 10,438 7.6 mi
20658 Marbury, MD 854 7.8 mi
20603 Waldorf, MD 28,967 9.6 mi
20602 Waldorf, MD 24,955 9.8 mi

More ZIP Codes in Charles County

20603 standard
Waldorf, MD
Pop: 28,967
20602 standard
Waldorf, MD
Pop: 24,955
20601 standard
Waldorf, MD
Pop: 24,156
20646 standard
La Plata, MD
Pop: 18,890
20640 standard
Indian Head, MD
Pop: 10,438
20695 standard
White Plains, MD
Pop: 6,794

Related Areas

Charles County Port Tobacco, MD Maryland

Frequently Asked Questions

What county is ZIP code 20677 in? ▼
ZIP code 20677 (Port Tobacco) is located in Charles County, Maryland. Charles County contains multiple ZIP codes, see the full list at /counties/charles-md.
What is the population of ZIP code 20677? ▼
ZIP code 20677 in Port Tobacco, MD has a population of 2,322 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 20677? ▼
The median household income in ZIP 20677 is $165,764, which is 117% above the national average of $76,288.
What is the average home value in ZIP 20677? ▼
The median home value in ZIP 20677 is $576,700, which is 107% above the national average of $278,155.
What is the demographic makeup of ZIP 20677? ▼
The largest racial group in ZIP 20677 is White at 66.5%. Hispanic or Latino residents make up 4.8% of the population.
How many businesses are in ZIP code 20677? ▼
ZIP code 20677 has 39 business establishments employing approximately 208 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 20677? ▼
The top industries by establishment count in ZIP 20677 are: Professional, scientific, and technical services (7), Transportation and warehousing (6), Construction (5). There are 7 industry sectors represented in total.
How have home values changed in ZIP code 20677? ▼
According to the FHFA House Price Index, home values in ZIP 20677 increased by 15.0% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 155%. This is a developmental index based on repeat sales and appraisal data from Fannie Mae and Freddie Mac.
What is the education level in ZIP code 20677? ▼
In ZIP code 20677, 74.0% of residents aged 25+ have a high school diploma or higher, and 39.1% 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 20677? ▼
In ZIP code 20677, approximately 97.0% of occupied housing units are owner-occupied and 3.0% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 20677? ▼
The poverty rate in ZIP code 20677 is 6.0% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.

ZIP Code Research Guides

Reading Census Demographics
How to interpret population, income, and education data from the Census Bureau.
Understanding ZIP Code Data
What ZIP codes are, how ZCTAs differ, and what the data reveals.
Best ZIP Codes for Families
Key factors to evaluate when choosing a family-friendly neighborhood.
ZIP Codes for Relocation
Data-driven tips for evaluating ZIP codes before a move.

Official Data Resources for Port Tobacco, MD

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

U.S. Census Bureau
Official demographic, economic, and housing data from the American Community Survey.
HUD Fair Market Rents
Department of Housing and Urban Development rental cost estimates by metropolitan area.
FBI Uniform Crime Reports
Official crime statistics compiled from law enforcement agencies nationwide.
FHFA House Price Index
Federal Housing Finance Agency home value trends based on repeat sales and appraisals.

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