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ZIP Code 57434, South Dakota

ZIP Code 57434 profile, demographic data, and geographic information.

ZCTA5 57434 is a 5-digit ZIP Code area located in Brown County / Clark County / Day County / Spink County, South Dakota. As of official census estimates, it has a reported population of 506. The land area covers 295.54 sq mi. [1]

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population 506 ±165 2020-2024 / Census ACS 5-Year 2024
Median Age 53.1 yrs ±17.8 2020-2024 / Census ACS 5-Year 2024
Total Households 215 ±56 2020-2024 / Census ACS 5-Year 2024
Source: U.S. Census Bureau (PEP, ACS 5-Year).

Housing & Real Estate Profile

Housing Metric Estimate / Value Margin of Error
Total Housing Units 266 ±61
Occupied Housing Units 215 ±56
Vacant Housing Units 51 ±32
Median Home Value Suppressed —
Median Gross Rent Suppressed —
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Economy & Workforce

Economic Metric Estimate / Value Margin of Error
Median Household Income $73,393 ±$26,608
Per Capita Income $57,290 ±$24,620
Poverty Rate 8.1% ±6%
Population Below Poverty Level 41 ±33
Unemployment Rate 0% ±4%
Civilian Labor Force, Employed 248 ±94
Broadband Internet Rate 91.6% ±3.9%
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Local Government & Public Administration

Authoritative general-purpose local government units serving this area U.S. Census Bureau GUS (2026) / GMAF
Government Unit Unit Type Jurisdiction Role Contact / Address
GUS Population: 37,495 (2024)
ID: 209455
County Official County Government
Contact: BROWN COUNTY AUDITOR
25 MARKET ST, STE 1, ABERDEEN SD 57401-4293

Education

Listing 2 local institutions (NCES 2024-2025) External reference via K12Guides
Institution Type Grades Location
Regular School Nearby KG-08 Stratford, SD
7 Nearby 2-13 STRATFORD, SD
Source: k12guides.com.

Community Facilities & Infrastructure

Displaying 2 civic institutions across 1 datasets queried CMS • IPEDS • IMLS
Facility Name Category Relationship Address / Location Contact
DOLAND COMMUNITY LIBRARY
Library 18.7 mi away 405 N HUMPHREY DRIVE, DOLAND, SD, 57436
(605) 635-6421
WAGE MEMORIAL LIBRARY
Library 19.4 mi away 120 N MAIN STREET, GROTON, SD, 57445
(605) 397-8422
Distances calculated from authoritative source coordinates. Source: CMS, IMLS, NCES IPEDS.

Climate & Weather Observations

NOAA Monthly Climate Normals

Observation Station: Climate data reflects NOAA 1991–2020 standard normals recorded at CONDE, SD US, located 1.7 miles from ZCTA5 57434. Local microclimates, topography, and elevation may cause municipal conditions to differ.
Month High (°F) Low (°F) Mean (°F) Precip (in) Snow (in)
January 22.5° 1.7° 12.1° 0.59" 5.4"
February 27.7° 5.5° 16.6° 0.62" 6.4"
March 40.2° 18.7° 29.4° 0.97" 3.9"
April 55.9° 31.0° 43.4° 2.42" 2.3"
May 68.3° 44.4° 56.3° 2.83" 0.0"
June 78.3° 55.2° 66.7° 4.06" 0.0"
July 83.9° 59.8° 71.8° 3.61" 0.0"
August 82.2° 57.3° 69.7° 2.69" 0.0"
September 74.1° 47.9° 61.0° 2.57" 0.0"
October 59.6° 33.6° 46.6° 2.27" 0.4"
November 42.4° 20.0° 31.2° 0.79" 5.1"
December 28.5° 7.8° 18.1° 0.72" 4.5"
Source: NOAA U.S. Climate Normals (1991–2020).

Local Weather Forecast

Weather forecast data is currently unavailable in the local cache.

Nearby Cities & Communities

Listing adjacent communities by spatial proximity (miles) Proximity discovery
Community Name Classification Distance Population
Conde city City 1.3 mi —
Verdon town Town 5.5 mi —
Turton town Town 8.3 mi —
Hutterville Colony CDP CDP 9.7 mi —
Ferney CDP CDP 11.6 mi —
Brentford town Town 12.2 mi —

Sources & Data Provenance

  1. Geographic Classification & Identifiers: U.S. Census Bureau Gazetteer (2026) and TIGER/Line Shapefiles. GEOID: 57434. • Official Source Dataset →
  2. Socioeconomic & Housing Metrics: U.S. Census Bureau American Community Survey (ACS) 5-year estimates and Population Estimates Program (PEP). Margin of Error (MOE) intervals are reported where published; suppressed values are never estimated or replaced with false zeros.
  3. Civic Directory Datasets: Centers for Medicare & Medicaid Services (CMS Hospital Directory), National Center for Education Statistics (NCES IPEDS Postsecondary Directory), and Institute of Museum and Library Services (IMLS Public Libraries Survey). Airport landing facilities are provided by airport-data.com.
  4. Weather & Climate Observations: National Oceanic and Atmospheric Administration (NOAA) U.S. Climate Normals 1991–2020 and National Weather Service (NWS) point forecasts.