PlainZIP

Annapolis, MD · standard

ZIP Code 21405

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

544
205/sq mi
$160,703
Median income
$986,100
Median home value
74.9%
Bachelor's or higher

The verdict

Annapolis pairs a top-decile household income with top-decile home values, in a low-density, homeowner-dominated area.

Top 3%
household income, US ZIPs
Top 3%
home value, US ZIPs
205
people per sq mi
95%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 21405 against every reporting US ZIP.

ZIP code 21405 is a sparsely populated ZIP (a standard USPS delivery area) in Annapolis, Anne Arundel County, Maryland, home to just 544 residents across 2.6 square miles, a density of 205 people per square mile, in the New York time zone.

ZIP 21405 skews affluent, with a median household income of $160,703 (41% above the Maryland average), while per-capita income is $79,136. Local economic indicators show a 12.1% poverty rate alongside 4.1% unemployment. Housing costs here run $986,100 for a typical home value (120% above the state average), with rent averaging - a month; 95.0% of homes are owner-occupied.

This is a highly-educated ZIP: 74.9% of adults hold a bachelor's degree or higher, the median age is 64.5, and the average commute is -. We also surface 10 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Anne Arundel County, so you can benchmark 21405 against its immediate geography rather than a 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 21405, Annapolis, 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

544

Population

2.6

Area (sq mi)

205

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 21405?

64.5

Median Age

46.5%

Male

53.5%

Female

0.0%

Foreign-Born

White 96.2%
African American 0.0%
Asian 0.0%
American Indian or Alaska Native 0.0%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 3.8%
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?

$160,703

Median Household Income

+41% vs state

$79,136

Per Capita Income

12.1%

Poverty Rate

4.1%

Unemployment Rate

How ZIP 21405 ranks nationally

Annapolis, MD household income vs. every US ZIP code

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

$160,703 Top 3% higher than 97% 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 76.7%
Bachelor's Degree or Higher 74.9%

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

What does housing look like?

338

Total Housing Units

221

Occupied Units

117

Vacant Units

2.24

Avg Household Size

Occupancy Type

Owner 95.0%
Renter 5.0%

$986,100

Median Home Value

+120% vs state

1947

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 21405, employing approximately 64 people with a combined annual payroll of $2,290,000.

9

Businesses

64

Employees

$2.3M

Annual Payroll

0

Industry Sectors

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 21405 vs 21401 →

ZIP 21405 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 21405 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 21405 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 21405 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
21401 Annapolis, MD 36,012 2.8 mi
21146 Severna Park, MD 26,705 3.3 mi
21032 Crownsville, MD 8,848 2.8 mi
21012 Arnold, MD 21,317 3.1 mi
21140 Riva, MD 3,457 5.8 mi
21409 Annapolis, MD 20,064 5.6 mi
21402 Annapolis, MD 5,217 5.2 mi
21037 Edgewater, MD 20,618 8.0 mi
21108 Millersville, MD 17,964 5.6 mi
21054 Gambrills, MD 10,127 6.6 mi

More ZIP Codes in Anne Arundel County

21122 standard
Pasadena, MD
Pop: 60,576
21061 standard
Glen Burnie, MD
Pop: 53,684
21401 standard
Annapolis, MD
Pop: 36,012
21144 standard
Severn, MD
Pop: 31,884
21113 standard
Odenton, MD
Pop: 30,469
21403 standard
Annapolis, MD
Pop: 30,269

Related Areas

Anne Arundel County Annapolis, MD Maryland

Frequently Asked Questions

What county is ZIP code 21405 in? ▼
ZIP code 21405 (Annapolis) is located in Anne Arundel County, Maryland. Anne Arundel County contains multiple ZIP codes, see the full list at /counties/anne-arundel-md.
What is the population of ZIP code 21405? ▼
ZIP code 21405 in Annapolis, MD has a population of 544 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 21405? ▼
The median household income in ZIP 21405 is $160,703, which is 111% above the national average of $76,288.
What is the average home value in ZIP 21405? ▼
The median home value in ZIP 21405 is $986,100, which is 255% above the national average of $278,155.
What is the demographic makeup of ZIP 21405? ▼
The largest racial group in ZIP 21405 is White at 96.2%.
How many businesses are in ZIP code 21405? ▼
ZIP code 21405 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 21405? ▼
In ZIP code 21405, 76.7% of residents aged 25+ have a high school diploma or higher, and 74.9% 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 21405? ▼
In ZIP code 21405, approximately 95.0% of occupied housing units are owner-occupied and 5.0% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 21405? ▼
The poverty rate in ZIP code 21405 is 12.1% 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.