Winneshiek County, IA ZIP Codes
9 ZIP codes cover all or part of Winneshiek County, Iowa. The Census Bureau counts 19,873 residents in the county, with a median household income of $79,066 and a median home value of $259,200. Median household income ranges from $70,778 in 52136 to $100,559 in 52132. Its largest communities include Decorah, Calmar, Ossian, Spillville and Fort Atkinson.
Winneshiek County (Census county figures)
| Measure | Census figure |
|---|---|
| Residents | 19,873 |
| Households | 8,139 |
| Median household income | $79,066 |
| Median home value | $259,200 |
| Median age | 42.6 |
| Median rent | $861 |
All 9 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 26,353 |
| Households (sum of ZIP codes) | 10,632 |
| Median household income, range across ZIP codes | $70,778 (52136) to $100,559 (52132) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $77,579 |
| Homeowners | 75.2% |
| Households with kids under 18 | 24.1% |
| Moved in the past year | 11.5% |
| Carrier routes in EDDM2GO's route library | 10 routes, 3,442 homes (3 of 9 ZIP codes) |
Top facts
- Highest median household income in Winneshiek County: 52132 ($100,559)
- Most residents: 52101 (12,706 people)
- Highest homeownership: 52144 (86.8% own their home)
- Most households with kids: 52165 (39.4% of households)
- Most new movers: 52165 (33.5% moved in last year)
- Youngest median age: 52161 (35.7 years)
- Highest median home value: 52165 ($292,200)
Every ZIP code in Winneshiek County
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 52101 | Decorah | 12,706 | 5,206 | $73,484 | $273,200 | 70.5% | 17.7% | 12.0% | — | — | 97% of its land |
| 52136 | Cresco | 5,840 | 2,373 | $70,778 | $161,100 | 78.8% | 26.8% | 12.0% | 7 | 2,780 | 33% of its land |
| 52132 | Calmar | 1,759 | 741 | $100,559 | $231,600 | 70.3% | 27.9% | 10.2% | 1 | 466 | 98% of its land |
| 52161 | Ossian | 1,532 | 564 | $87,870 | $171,400 | 82.8% | 36.9% | 5.5% | — | — | 86% of its land |
| 52171 | Waucoma | 1,314 | 477 | $94,904 | $192,100 | 86.4% | 28.9% | 0.8% | — | — | 18% of its land |
| 52165 | Ridgeway | 1,098 | 414 | $85,227 | $292,200 | 79.2% | 39.4% | 33.5% | — | — | 100% of its land |
| 52144 | Fort Atkinson | 1,075 | 455 | $84,609 | $217,500 | 86.8% | 33.0% | 9.4% | 2 | 396 | 94% of its land |
| 52133 | Castalia | 673 | 245 | $76,250 | $246,100 | 92.2% | 38.8% | 1.5% | — | — | 70% of its land |
| 52168 | Spillville | 356 | 157 | $54,375 | $157,500 | 65.0% | 28.7% | 12.4% | — | — | 100% of its land |
A ZIP code is listed for Winneshiek County when at least 10% of its land is in the county, when it holds at least 10% of the county's land, or when the county is its main county. Totals add up whole ZIP codes, including parts that cross the county line; the Census county figures above do not.
Cities and communities
- Decorah — 7,535 residents · 1 ZIP code
- Calmar — 974 residents · 1 ZIP code
- Ossian — 806 residents · 1 ZIP code
- Spillville — 356 residents · 2 ZIP codes
- Fort Atkinson — 346 residents · 1 ZIP code
- Ridgeway — 315 residents · 1 ZIP code
- Burr Oak — 225 residents · 1 ZIP code
- Castalia — 142 residents · 1 ZIP code
- Jackson Junction — 26 residents · 1 ZIP code
Rankings
- Richest ZIP codes in Winneshiek County — 7 ZIP codes ranked
- ZIP codes with the highest home values in Winneshiek County — 7 ZIP codes ranked
- ZIP codes with the highest homeownership in Winneshiek County — 7 ZIP codes ranked
- ZIP codes with the most families with kids in Winneshiek County — 7 ZIP codes ranked
- ZIP codes with the most new movers in Winneshiek County — 7 ZIP codes ranked
- Youngest ZIP codes in Winneshiek County — 7 ZIP codes ranked
- Oldest ZIP codes in Winneshiek County — 7 ZIP codes ranked
- Fastest-growing ZIP codes in Winneshiek County — 5 ZIP codes ranked
Price a mailing to Winneshiek County ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Winneshiek County, IA?
- 52101, 52136, 52132, 52161, 52171, 52165, 52144, 52133 and 52168. Some cross the county line; the table shows each ZIP's share of land in the county.
- What is the population of Winneshiek County?
- 19,873 residents in 8,139 households (ACS 5-year estimates, 2020–2024).
- What is the median household income in Winneshiek County?
- $79,066 for the county as a whole. Its ZIP codes range from $70,778 (52136) to $100,559 (52132).
- Which Winneshiek County ZIP code has the highest median household income?
- 52132, at $100,559, among ZIP codes with at least 1,000 residents. See the full ranking of Winneshiek County ZIP codes by income.
- How many carrier routes and mailboxes are in Winneshiek County?
- For the 3 of 9 ZIP codes in EDDM2GO's stored route library: 10 carrier routes reaching 3,442 residential and 201 business mailboxes. The route map loads the rest when you search them.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.