U.S. ZIP Code tools
21664 · Population & demographics · Secretary MD
ZIP Code
21664
Secretary, MD
- City / locality
- Secretary
- State
- Maryland
- ZIP Code type
- Type not provided
- Latitude
- 38.6093
- Longitude
- -75.9474
- Coordinate source
- GeoNames Postal
- Source
- GeoNames Postal
- Source year
- Inherited source snapshot
Some U.S. place names and coordinates come from GeoNames as geographic references. They are not confirmation of the USPS preferred mailing city.
ZCTAs are Census statistical areas. Their boundaries do not represent every USPS ZIP Code or an exact postal delivery boundary.
Population & demographics
acs/acs5 · 2024
ACS figures are five-year statistical estimates for a ZCTA. They do not describe individual addresses; consider the margin of error when comparing values.
Estimated population
635People · Margin of error ±227Median age
34.0Years · Margin of error ±12.8Median household income
82,721USD · Margin of error ±17,352Median home value
172,000USD · Margin of error ±31,478Total households
217Households · Margin of error ±68Housing units
257Count · Margin of error ±76Owner-occupied housing units
152Count · Margin of error ±52Renter-occupied housing units
65Count · Margin of error ±37Median monthly gross rent
1,175USD · Margin of error ±548Household income distribution
USD · Households
$0–$9,9996±6
$10,000–$14,9990±14
$15,000–$19,9997±9
$20,000–$24,9995±6
$25,000–$29,9998±8
$30,000–$34,9995±5
$35,000–$39,9994±6
$40,000–$44,99910±14
$45,000–$49,99913±15
$50,000–$59,99920±15
$60,000–$74,99925±19
$75,000–$99,99944±30
$100,000–$124,99920±21
$125,000–$149,99920±14
$150,000–$199,99926±24
≥ $200,0004±5
ACS figures are five-year statistical estimates for a ZCTA. They do not describe individual addresses; consider the margin of error when comparing values.
Source
U.S. Census Bureau ZCTA cartographic boundaries
Source year: 2020 Census ZCTA cartographic
U.S. Census Bureau ZCTA cartographic boundaries