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County ZIP codes · Minnesota · FIPS 27133

Rock County, MN ZIP Codes

Rock County, Minnesota has 13 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026), all residential. 9 of the residential ones lie mainly in Rock County and 4 mainly in a neighboring county; 7 cross the county line. Median household income ranges from $58,375 in 56144 (Jasper) to $112,847 in 57068 (Valley Springs) (Census Bureau, ACS 2020-2024).

  • ACS2020-24
  • Census2020

Where are the ZIP codes of Rock County?

56116 · Beaver Creek: $95k56128 · Edgerton: $72k56129 · Ellsworth: $63k56134 · Hardwick: $59k56138 · Hills: $79k56144 · Jasper: $58k56146 · Kanaranzi: $51k56147 · Kenneth: $66k56156 · Luverne: $71k56158 · Magnolia: $54k56173 · Steen: $59k57030 · Garretson: $79k57068 · Valley Springs: $113k56156561445703056128570685611656134561585612956147561385617356116 · Beaver Creek: $95k56128 · Edgerton: $72k56129 · Ellsworth: $63k56134 · Hardwick: $59k56138 · Hills: $79k56144 · Jasper: $58k56146 · Kanaranzi: $51k56147 · Kenneth: $66k56156 · Luverne: $71k56158 · Magnolia: $54k56173 · Steen: $59k57030 · Garretson: $79k57068 · Valley Springs: $113k56156561445703056128570685611656134561585612956147561385617356116 · Beaver Creek: $95k56128 · Edgerton: $72k56129 · Ellsworth: $63k56134 · Hardwick: $59k56138 · Hills: $79k56144 · Jasper: $58k56146 · Kanaranzi: $51k56147 · Kenneth: $66k56156 · Luverne: $71k56158 · Magnolia: $54k56173 · Steen: $59k57030 · Garretson: $79k57068 · Valley Springs: $113k561565614457030561285706856116561345615856129561475613856173
The residential ZIP codes of Rock 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).

How different are its ZIP codes?

The middle half of its ranked ZIP codes (1,000+ people living in households) report median household incomes between $71,066 and $79,375.

They carry 13 postal town names.

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

All 13 residential ZIP codes in Rock County

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

Residential ZIP codes mainly in Rock County, largest first; "In this county" is the share of the ZIP's land in the county
In this county
56156 Luverne 6,371 38 $71k $232k 100%
56144 Jasper 1,143 10 $58k $95k 48%
56138 Hills 927 28 $79k $207k 100%
56116 Beaver Creek 559 13 $95k $221k 100%
56134 Hardwick 441 9 $59k $182k 100%
56158 Magnolia 322 9 $54k $125k 76%
56173 Steen 307 13 $59k $216k 100%
56147 Kenneth 135 4 $66k $192k 54%
56146 Kanaranzi 55 55 $51k $206k 100%

Partly in Rock County

Residential ZIP codes mainly in another county that reach at least 1% into Rock County, by their share here
In this county
56129 Ellsworth 761 16 $63k $120k 47%
56128 Edgerton 1,768 15 $72k $181k 20%
57030 Garretson 2,510 19 $79k $327k 10%
57068 Valley Springs 1,603 35 $113k $260k 7%

Download the 13 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?

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

Share of each ZIP code's land in Rock County and in the neighboring counties
ZIPIn RockElsewhere
5703010%Minnehaha County 90%
5612820%Pipestone County 59%; Murray County 12%; Nobles County 9%
570687%Minnehaha County 93%
5614448%Pipestone County 39%; Moody County 13%
5612947%Nobles County 53%
5615876%Nobles County 24%
5614754%Nobles County 46%

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

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

The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Rock County's ZIP codes use 2 prefixes: 561 and 570.

Three-digit prefixes of Rock 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 Rock County's
PrefixSectional centerHereAll codes
561 Mankato, MN (SCF 560) 11 66
570 Sioux Falls, SD (SCF 570) 2 69

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