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County ZIP codes · Iowa · FIPS 19097

Jackson County, IA ZIP Codes

Jackson County, Iowa has 16 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026), all residential. 13 of the residential ones lie mainly in Jackson County and 3 mainly in a neighboring county; 12 cross the county line. Median household income ranges from $68,143 in 52060 (Maquoketa) to $90,813 in 52037 (Delmar) (Census Bureau, ACS 2020-2024).

  • ACS2020-24
  • Census2020

Where are the ZIP codes of Jackson County?

52030 · Andrew: $66k52031 · Bellevue: $87k52032 · Bernard: $89k52037 · Delmar: $91k52054 · La Motte: $104k52060 · Maquoketa: $68k52064 · Miles: $75k52069 · Preston: $75k52070 · Sabula: $79k52071 · Saint Donatus: $44k52074 · Spragueville: $86k52075 · Springbrook: $54k52079 · Zwingle: $101k52207 · Baldwin: $59k52309 · Monmouth: $56k52731 · Charlotte: $88k5203152060520325205452037520705206952731520795206452309522075207452030 · Andrew: $66k52031 · Bellevue: $87k52032 · Bernard: $89k52037 · Delmar: $91k52054 · La Motte: $104k52060 · Maquoketa: $68k52064 · Miles: $75k52069 · Preston: $75k52070 · Sabula: $79k52071 · Saint Donatus: $44k52074 · Spragueville: $86k52075 · Springbrook: $54k52079 · Zwingle: $101k52207 · Baldwin: $59k52309 · Monmouth: $56k52731 · Charlotte: $88k5203152060520325205452037520705206952731520795206452309522075207452030 · Andrew: $66k52031 · Bellevue: $87k52032 · Bernard: $89k52037 · Delmar: $91k52054 · La Motte: $104k52060 · Maquoketa: $68k52064 · Miles: $75k52069 · Preston: $75k52070 · Sabula: $79k52071 · Saint Donatus: $44k52074 · Spragueville: $86k52075 · Springbrook: $54k52079 · Zwingle: $101k52207 · Baldwin: $59k52309 · Monmouth: $56k52731 · Charlotte: $88k52031520605203252054520375207052069527315230952074
The residential ZIP codes of Jackson 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 $75,313 and $88,500.

They carry 16 postal town names.

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

All 16 residential ZIP codes in Jackson County

13 ZIP codes lie mainly in Jackson County; 3 more reach into it from a neighboring county and follow the first table.

Residential ZIP codes mainly in Jackson County, largest first; "In this county" is the share of the ZIP's land in the county
In this county
52060 Maquoketa 8,007 50 $68k $158k 88%
52031 Bellevue 5,403 32 $87k $245k 95%
52069 Preston 1,743 36 $75k $170k 78%
52079 Zwingle 995 17 $101k $238k 55%
52070 Sabula 990 21 $79k $173k 85%
52054 La Motte 794 14 $104k $225k 93%
52064 Miles 685 16 $75k $140k 86%
52309 Monmouth 443 13 $56k $155k 72%
52030 Andrew 423 1,706 $66k $121k 100%
52207 Baldwin 256 7 $59k $72k 87%
52071 Saint Donatus 135 313 $44k $203k 100%
52075 Springbrook 125 208 $54k $151k 100%
52074 Spragueville 119 4 $86k $119k 100%

Partly in Jackson County

Residential ZIP codes mainly in another county that reach at least 1% into Jackson County, by their share here
In this county
52032 Bernard 1,305 13 $89k $269k 46%
52037 Delmar 1,172 17 $91k $198k 2%
52731 Charlotte 867 17 $88k $156k 2%

Download the 16 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?

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

Share of each ZIP code's land in Jackson County and in the neighboring counties
ZIPIn JacksonElsewhere
5206088%Clinton County 12%
5203195%Dubuque County 5%
5206978%Clinton County 22%
5203246%Dubuque County 47%; Jones County 7%
520372%Clinton County 98%
5207955%Dubuque County 45%
5207085%Clinton County 16%
527312%Clinton County 98%
5205493%Dubuque County 7%
5206486%Clinton County 14%
5230972%Jones County 28%
5220787%Clinton County 13%

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

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

The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Jackson County's ZIP codes use 4 prefixes: 520, 522, 523 and 527.

Three-digit prefixes of Jackson 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 Jackson County's
PrefixSectional centerHereAll codes
520 Cedar Rapids, IA (SCF 522) 13 46
522 Cedar Rapids, IA (SCF 522) 1 50
523 Cedar Rapids, IA (SCF 522) 1 53
527 Quad Cities, IL (SCF 612) 1 47

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