U.S. ZIP Code tools

21791 · Population & demographics · Union Bridge MD

ZIP Code
21791

Union Bridge, MD

City / locality
Union Bridge
State
Maryland
ZIP Code type
Type not provided
Latitude
39.5799
Longitude
-77.1319
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

5,340People · Margin of error ±843

Median age

37.7Years · Margin of error ±4.9

Median household income

93,015USD · Margin of error ±9,656

Median home value

379,800USD · Margin of error ±29,213

Total households

1,968Households · Margin of error ±274

Housing units

2,059Count · Margin of error ±266

Owner-occupied housing units

1,608Count · Margin of error ±265

Renter-occupied housing units

360Count · Margin of error ±109

Median monthly gross rent

1,457USD · Margin of error ±251

Household income distribution

USD · Households

$0–$9,99928±30
$10,000–$14,99929±24
$15,000–$19,99934±25
$20,000–$24,99954±39
$25,000–$29,99959±49
$30,000–$34,99925±24
$35,000–$39,99936±28
$40,000–$44,99949±27
$45,000–$49,99928±23
$50,000–$59,999184±104
$60,000–$74,999182±105
$75,000–$99,999376±106
$100,000–$124,999285±130
$125,000–$149,999128±54
$150,000–$199,999289±165
≥ $200,000182±75

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