U.S. ZIP Code tools

57787 · Population & demographics · Union Center SD

ZIP Code
57787

Union Center, SD

City / locality
Union Center
State
South Dakota
ZIP Code type
Type not provided
Latitude
44.6539
Longitude
-102.7252
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

487People · Margin of error ±394

Median age

36.7Years · Margin of error ±12.1

Median household income

53,750USD · Margin of error ±28,211

Median home value

61,800USD · Margin of error ±61,033

Total households

200Households · Margin of error ±119

Housing units

200Count · Margin of error ±119

Owner-occupied housing units

89Count · Margin of error ±75

Renter-occupied housing units

111Count · Margin of error ±82

Median monthly gross rent

952USD · Margin of error ±123

Household income distribution

USD · Households

$0–$9,99916±25
$10,000–$14,9990±10
$15,000–$19,99950±65
$20,000–$24,9990±10
$25,000–$29,9990±10
$30,000–$34,9990±10
$35,000–$39,9990±10
$40,000–$44,9990±10
$45,000–$49,99934±38
$50,000–$59,99945±66
$60,000–$74,9992±3
$75,000–$99,99944±63
$100,000–$124,9990±10
$125,000–$149,9990±10
$150,000–$199,9999±15
≥ $200,0000±10

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