U.S. ZIP Code tools

21104 · Population & demographics · Marriottsville MD

ZIP Code
21104

Marriottsville, MD

City / locality
Marriottsville
State
Maryland
ZIP Code type
Type not provided
Latitude
39.3342
Longitude
-76.9132
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

6,052People · Margin of error ±883

Median age

43.1Years · Margin of error ±4.2

Median household income

191,804USD · Margin of error ±9,742

Median home value

680,200USD · Margin of error ±29,647

Total households

2,097Households · Margin of error ±229

Housing units

2,204Count · Margin of error ±220

Owner-occupied housing units

2,035Count · Margin of error ±233

Renter-occupied housing units

62Count · Margin of error ±60

Median monthly gross rent

1,384USD · Margin of error ±919

Household income distribution

USD · Households

$0–$9,9994±7
$10,000–$14,9990±19
$15,000–$19,99911±16
$20,000–$24,99916±24
$25,000–$29,99950±58
$30,000–$34,9999±16
$35,000–$39,99934±34
$40,000–$44,99959±82
$45,000–$49,99920±31
$50,000–$59,99938±34
$60,000–$74,99990±50
$75,000–$99,999166±71
$100,000–$124,999114±54
$125,000–$149,999180±89
$150,000–$199,999322±99
≥ $200,000984±166

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

GeoNames Postal

Source year: Source vintage not supplied

GeoNames Postal

U.S. Census Bureau Gazetteer

Source year: 2026 Gazetteer

U.S. Census Bureau Gazetteer

U.S. Census Bureau ZCTA cartographic boundaries

Source year: 2020 Census ZCTA cartographic

U.S. Census Bureau ZCTA cartographic boundaries

U.S. Census Bureau ACS 5-year

Source year: 2024 ACS 5-year

U.S. Census Bureau ACS 5-year