PlainZIP

Dowell, MD · standard

ZIP Code 20629

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

535
479/sq mi
$87,389
Median income
$403,100
Median home value
41.0%
Bachelor's or higher

The verdict

Dowell pairs an above-median household income with upper-quartile home values, in a low-density, homeowner-dominated area.

Top 29%
household income, US ZIPs
Top 20%
home value, US ZIPs
479
people per sq mi
97%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 20629 against every reporting US ZIP.

ZIP code 20629 is a sparsely populated ZIP (a standard USPS delivery area) in Dowell, Calvert County, Maryland, home to just 535 residents across 1.1 square miles, a density of 479 people per square mile, in the New York time zone.

ZIP 20629 lands in the middle-income range, with a median household income of $87,389 (23% below the Maryland average), while per-capita income is $60,505. 1.0% of residents live below the poverty line, and the unemployment rate reads 0.0%. The typical home here is valued at $403,100 (10% below the state average); renters pay a median of - monthly, and 96.7% of units are owner-occupied.

A solid share of residents have a four-year degree: 41.0% of adults hold a bachelor's degree or higher, the median age is 58.1, and the average commute is -. To put 20629 in local context, 10 ZIP codes within roughly 10 miles appear further down this page alongside 6 additional ZIPs in Calvert County, for a geography-aware comparison.

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 20629, Dowell, 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

535

Population

1.1

Area (sq mi)

479

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 20629?

58.1

Median Age

51.6%

Male

48.4%

Female

10.9%

Foreign-Born

White 70.7%
African American 11.9%
Asian 14.3%
American Indian or Alaska Native 0.0%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 3.1%
Hispanic or Latino 3.9%

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?

$87,389

Median Household Income

-23% vs state

$60,505

Per Capita Income

1.0%

Poverty Rate

0.0%

Unemployment Rate

How ZIP 20629 ranks nationally

Dowell, MD household income vs. every US ZIP code

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

$87,389 Top 29% higher than 71% 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%). This entry sits in this band. $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 72.1%
Bachelor's Degree or Higher 41.0%

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

What does housing look like?

655

Total Housing Units

548

Occupied Units

107

Vacant Units

1.97

Avg Household Size

Occupancy Type

Owner 96.7%
Renter 3.3%

$403,100

Median Home Value

-10% vs state

2002

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 20629, employing approximately 116 people with a combined annual payroll of $4,946,000.

10

Businesses

116

Employees

$4.9M

Annual Payroll

1

Industry Sectors

Industry Establishments % of Total
Professional, scientific, and technical services 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 20629 vs 20688 →

ZIP 20629 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 20629 ranks #0 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 20629 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 20629 ranks #9 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
20688 Solomons, MD 1,828 0.9 mi
20657 Lusby, MD 20,483 3.3 mi
20670 Patuxent River, MD 1,014 4.1 mi
20619 California, MD 10,503 5.1 mi
20653 Lexington Park, MD 24,481 7.4 mi
20667 Park Hall, MD 494 8.2 mi
20636 Hollywood, MD 9,937 6.5 mi
20634 Great Mills, MD 5,927 6.8 mi
20685 Saint Leonard, MD 6,471 7.9 mi
20620 Callaway, MD 1,443 8.2 mi

More ZIP Codes in Calvert County

20657 standard
Lusby, MD
Pop: 20,483
20639 standard
Huntingtown, MD
Pop: 14,227
20678 standard
Prince Frederick, MD
Pop: 11,045
20732 standard
Chesapeake Beach, MD
Pop: 9,919
20736 standard
Owings, MD
Pop: 8,904
20754 standard
Dunkirk, MD
Pop: 6,951

Related Areas

Calvert County Dowell, MD Maryland

Frequently Asked Questions

What county is ZIP code 20629 in? ▼
ZIP code 20629 (Dowell) is located in Calvert County, Maryland. Calvert County contains multiple ZIP codes, see the full list at /counties/calvert-md.
What is the population of ZIP code 20629? ▼
ZIP code 20629 in Dowell, MD has a population of 535 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 20629? ▼
The median household income in ZIP 20629 is $87,389, which is 15% above the national average of $76,288.
What is the average home value in ZIP 20629? ▼
The median home value in ZIP 20629 is $403,100, which is 45% above the national average of $278,155.
What is the demographic makeup of ZIP 20629? ▼
The largest racial group in ZIP 20629 is White at 70.7%. Hispanic or Latino residents make up 3.9% of the population.
How many businesses are in ZIP code 20629? ▼
ZIP code 20629 has 10 business establishments employing approximately 116 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What is the education level in ZIP code 20629? ▼
In ZIP code 20629, 72.1% of residents aged 25+ have a high school diploma or higher, and 41.0% 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 20629? ▼
In ZIP code 20629, approximately 96.7% of occupied housing units are owner-occupied and 3.3% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 20629? ▼
The poverty rate in ZIP code 20629 is 1.0% 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.