Secretary, MD

Census ZIP code profile for Secretary, MD — 1 ZIPs, total population 539. Median income, home value, education, commute, and demographics from the U.S. Census Bureau American Community Survey 2023 5-Year Estimates.

2026 data Public-data reference. official source

Source:

Secretary, MD is covered by 1 USPS ZIP code serving a combined population of 539 according to Census ACS 5-Year Estimates. U.S. cities rarely map cleanly to a single ZIP — Secretary splits its residents across 1 delivery areas, each with its own demographic and housing profile. The table below lists every ZIP by population, so you can see which neighborhoods carry the weight of the city total and which are smaller pockets of the same municipal boundary.

Aggregated across every ZIP in Secretary, the median household income averages $82,721 and per-capita income averages $29,251. Poverty rate runs at 5.5% and unemployment at 6.7%. On housing, the average median home value is $172,000 with median rent of $1,175 per month, and 70.0% of occupied units are owner-occupied. These are arithmetic averages across the 1 ZIP — not population-weighted — so small ZIPs influence the headline numbers the same as large ones.

Use this city view to compare ZIPs inside Secretary against each other rather than hunting for a single "city average." The Affordability Dashboard linked below combines these Census inputs with HUD Fair Market Rents, FBI crime data, and Department of Labor childcare costs into a graded scorecard for Secretary as a whole, while individual ZIP pages show fine-grained household income, housing profile, education attainment, commute time, and nearby-ZIP benchmarks. Every field on this page is sourced directly from U.S. Census Bureau ACS 2023 5-Year Estimates — no estimates, no proprietary scoring, no editorial adjustment.

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Income, housing, safety, childcare — all in one view
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1

ZIP Codes

539

Population

$82,721

Median Income

$172,000

Median Home Value

34

Median Age

How much do residents of Secretary earn?

Median Household Income
$82,721
Per Capita Income
$29,251
Unemployment Rate
6.7%
Poverty Rate
5.5%

What does housing look like in Secretary?

Median Home Value
$172,000
Median Rent
$1,175/mo
Owner Occupied
70.0%
Housing Units
257

Who lives in Secretary?

Bachelor's Degree+
20.3%
High School+
67.6%
Foreign Born
11.0%

ZIP Codes in Secretary, MD

ZIP Code Population Density Timezone
21664 539 481 America/New_York

Frequently Asked Questions

How many ZIP codes are in Secretary, MD?
Secretary, MD has 1 ZIP code with a combined population of 539, based on Census ACS 2023 data.
What is the median household income in Secretary?
The average median household income across Secretary, MD ZIP codes is $82,721. The poverty rate is 5.5%.
What is the cost of living in Secretary?
The average median home value in Secretary, MD is $172,000. Median rent is $1,175/month. 70.0% of homes are owner-occupied.

Source: U.S. Census Bureau, American Community Survey (ACS) 5-Year Estimates (2023). Verify with Census Bureau →

Source: HUD USPS Crosswalk (ZIP-to-county mapping) and Source: simplemaps.com (ZIP coordinates & timezones). Verify with HUD →

PlainZIP is not affiliated with the U.S. Census Bureau or any government agency.

Disclaimer: This information is provided for informational purposes only and does not constitute professional advice. Data is sourced from the U.S. Census Bureau American Community Survey (ACS). Consult a qualified professional before making decisions based on this data.