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 High-density area
- $160,703
- Median income Above-median income area
- $986,100
- Median home value Above-median home value
- 74.9%
- Bachelor's or higher Above-average bachelor's attainment
National ZIP placement
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 average Maryland ZIP), while per-capita income is $79,136. The poverty rate is 12.1%, with unemployment at 4.1%; those measures add context to the income figure. Housing is both higher-cost and owner-heavy: median home value is $986,100 (120% above the average Maryland ZIP), while 95.0% of occupied 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 -. The page also surfaces 10 ZIP codes within roughly 10 miles and 6 more in Anne Arundel County, so 21405 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 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
Who lives in ZIP 21405?
64.5
Median Age
46.5%
Male
53.5%
Female
0.0%
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?
$160,703
Median Household Income
+41% vs state ZIP avg
$79,136
Per Capita Income
12.1%
Poverty Rate
4.1%
Unemployment Rate
How ZIP 21405 ranks among Maryland ZIPs
Annapolis, 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)
$160,703 Top 15% higher than 85% 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
338housing units
338
Total Housing Units
221
Occupied Units
117
Vacant Units
2.24
Avg Household Size
Occupancy Type
$986,100
Median Home Value
+120% vs state ZIP avg
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.
- 21401
Annapolis (21401)
36,012 residents
- 21146
Severna Park (21146)
26,705 residents
- 21012
Arnold (21012)
21,317 residents
- 21037
Edgewater (21037)
20,618 residents
- 21409
Annapolis (21409)
20,064 residents
- 21108
Millersville (21108)
17,964 residents
- 21054 10,127
Gambrills (21054)
10,127 residents
- 21032 8,848
Crownsville (21032)
8,848 residents
- 21402 5,217
Annapolis (21402)
5,217 residents
What this shows Among its immediate neighbors, ZIP 21405 ranks #0 by population - useful context the national average alone can't give.
ZIP 21405 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 21146
Severna Park (21146)
$172,122 median income
- 21140
Riva (21140)
$170,156 median income
- 21032
Crownsville (21032)
$168,653 median income
- 21054
Gambrills (21054)
$163,825 median income
- 21405
Annapolis (21405)
$160,703 median income
- 21108
Millersville (21108)
$151,324 median income
- 21409
Annapolis (21409)
$147,151 median income
- 21037
Edgewater (21037)
$145,787 median income
- 21012
Arnold (21012)
$139,432 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.
| 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 |
Nationwide ZIPs with similar ACS profiles
Two Census-derived peer sets for ZIP 21405, both outside MD so the neighborhoods are not geographic containment (Nearby and same-county blocks stay local).
Similar median household income
Nearest cross-state ZIPs by ACS median household income.
More ZIP Codes in Anne Arundel County
Related Areas
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.
Related
Take this with you
What to do with ZIP 21405's numbers, next.
- See how ZIP 21405 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Annapolis, 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.