Plain

County ZIP codes · Iowa · FIPS 19159

Ringgold County, IA ZIP Codes

Ringgold County, Iowa has 12 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026), all residential. 7 of the residential ones lie mainly in Ringgold County and 5 mainly in a neighboring county; 8 cross the county line. Median household income ranges from $57,443 in 50140 (Lamoni) to $81,250 in 50854 (Mount Ayr) (Census Bureau, ACS 2020-2024).

  • ACS2020-24
  • Census2020

Where are the ZIP codes of Ringgold County?

50074 · Ellston: $121k50133 · Kellerton: $58k50140 · Lamoni: $57k50835 · Benton: $58k50836 · Blockton: $82k50840 · Clearfield: $63k50845 · Diagonal: $67k50851 · Lenox: $71k50854 · Mount Ayr: $81k50860 · Redding: $45k50861 · Shannon City: $63k50863 · Tingley: $66k50851508545084550140508365013350861508405086050074508635083550074 · Ellston: $121k50133 · Kellerton: $58k50140 · Lamoni: $57k50835 · Benton: $58k50836 · Blockton: $82k50840 · Clearfield: $63k50845 · Diagonal: $67k50851 · Lenox: $71k50854 · Mount Ayr: $81k50860 · Redding: $45k50861 · Shannon City: $63k50863 · Tingley: $66k50851508545084550140508365013350861508405086050074508635083550074 · Ellston: $121k50133 · Kellerton: $58k50140 · Lamoni: $57k50835 · Benton: $58k50836 · Blockton: $82k50840 · Clearfield: $63k50845 · Diagonal: $67k50851 · Lenox: $71k50854 · Mount Ayr: $81k50860 · Redding: $45k50861 · Shannon City: $63k50863 · Tingley: $66k50851508545084550140508365013350861508405086050074
The residential ZIP codes of Ringgold 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?

They carry 12 postal town names.

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

All 12 residential ZIP codes in Ringgold County

7 ZIP codes lie mainly in Ringgold County; 5 more reach into it from a neighboring county and follow the first table.

Residential ZIP codes mainly in Ringgold County, largest first; "In this county" is the share of the ZIP's land in the county
In this county
50854 Mount Ayr 2,391 17 $81k $162k 100%
50845 Diagonal 831 7 $67k $100k 92%
50133 Kellerton 528 7 $58k $99k 98%
50074 Ellston 215 4 $121k $606k 85%
50863 Tingley 194 7 $66k $94k 100%
50860 Redding 94 2 $45k $47k 100%
50835 Benton 69 5 $58k – 100%

Partly in Ringgold County

Residential ZIP codes mainly in another county that reach at least 1% into Ringgold County, by their share here
In this county
50836 Blockton 304 3 $82k $153k 40%
50840 Clearfield 552 12 $63k $180k 39%
50861 Shannon City 311 8 $63k – 31%
50140 Lamoni 2,842 31 $57k $122k 31%
50851 Lenox 2,193 17 $71k $121k 4%

Download the 12 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?

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

Share of each ZIP code's land in Ringgold County and in the neighboring counties
ZIPIn RinggoldElsewhere
5014031%Decatur County 69%
508514%Taylor County 44%; Adams County 34%; Union County 17%
5084592%Union County 8%
5084039%Taylor County 61%
5013398%Decatur County 2%
5086131%Union County 69%
5083640%Taylor County 60%
5007485%Union County 15%

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

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

The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Ringgold County's ZIP codes use 3 prefixes: 500, 501 and 508.

Three-digit prefixes of Ringgold 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 Ringgold County's
PrefixSectional centerHereAll codes
500 Des Moines, IA (SCF 500) 1 68
501 Des Moines, IA (SCF 500) 2 69
508 Des Moines, IA (SCF 500) 9 28

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