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County ZIP codes · South Dakota · FIPS 46021

Campbell County, SD ZIP Codes

Campbell County, South Dakota has 6 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026), all residential. 2 of the residential ones lie mainly in Campbell County and 4 mainly in a neighboring county; 4 cross the county line.

  • ACS2020-24
  • Census2020

Where are the ZIP codes of Campbell County?

57437 · Eureka: $49k57452 · Java: $54k57631 · Glenham: $57k57632 · Herreid: $82k57646 · Mound City: $101k57648 · Pollock: $61k57437576485745257632576315764657437 · Eureka: $49k57452 · Java: $54k57631 · Glenham: $57k57632 · Herreid: $82k57646 · Mound City: $101k57648 · Pollock: $61k57437576485745257632576315764657437 · Eureka: $49k57452 · Java: $54k57631 · Glenham: $57k57632 · Herreid: $82k57646 · Mound City: $101k57648 · Pollock: $61k574375764857452576325763157646
The residential ZIP codes of Campbell County (whole outlines, including the parts in neighboring counties), shaded by median household income in national fifths (ACS 2020-2024).<$54.1k$98.1k+no figure

Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).

All 6 residential ZIP codes in Campbell County

2 ZIP codes lie mainly in Campbell County; 4 more reach into it from a neighboring county and follow the first table.

Residential ZIP codes mainly in Campbell County, largest first; "In this county" is the share of the ZIP's land in the county
In this county
57632 Herreid 757 4 $82k $109k 100%
57646 Mound City 272 2 $101k $113k 100%

Partly in Campbell County

Residential ZIP codes mainly in another county that reach at least 1% into Campbell County, by their share here
In this county
57648 Pollock 465 2 $61k $99k 49%
57631 Glenham 364 3 $57k $163k 48%
57437 Eureka 1,074 2 $49k $87k 31%
57452 Java 136 1 $54k $81k 29%

Download the 6 ZIP codes as CSV

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; county shares by land area (Census 2020 ZCTA-county relationship file).

Which ZIP codes cross the county line?

4 ZIP codes of Campbell County extend into another county. A ZIP code follows mail routes, not county borders.

Share of each ZIP code's land in Campbell County and in the neighboring counties
ZIPIn CampbellElsewhere
5743731%McPherson County69%
5764849%Emmons County51%
5763148%Walworth County52%
5745229%Walworth County71%

Source: U.S. Census Bureau, 2020 ZCTA-county relationship file (shares of land area).

Which first three digits do Campbell County's ZIP codes use?

The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Campbell County's ZIP codes use 2 prefixes: 574 and 576.

Three-digit prefixes of Campbell County's ZIP codes, the sectional center for each (USPS labeling list L005, effective October 1, 2026) and how many of the prefix's codes are Campbell County's
PrefixSectional centerHereAll codes
574Dakota Central, SD (SCF 572)250
576Bismarck, ND (SCF 585)432

Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.