Residential delivery area · Iowa
ZIP Code 52132: Calmar, IA
ZIP code 52132 uses the postal name Calmar, Iowa and lies mostly in Winneshiek County (98% of its land) with the rest in Howard County (Census 2020 ZIP-county file). About 1,800 people live there (Census Bureau, ACS 2020-2024). Median household income is $100,559 (Census Bureau, ACS 2020-2024). By Census place, 2% of its land lies in Calmar; 98% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2022
- ZBP2023
- IRS2022
- Town
- Calmar · its only residential ZIP
- County
- Winneshiek County (98%); Howard County (2%)
- Census places
- Calmar
- House district
- IA-2 119th Congress
- State
- Iowa
- Time zone
- Central
- Land area
- 61.8 sq mi · 28 people per sq mi
Where is ZIP code 52132?
52132 centers on 43.211°, -91.928° and covers 61.8 square miles of land plus 0.1 of water. It borders 7 ZIP codes: 52168, 52144, 52165, 52163, 52161, 52101, 52136.
The map draws ZIP code areas only. For the streets inside 52132, open its center on OpenStreetMap.
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries and the 2023 Gazetteer (2020 ZCTAs); ZIP-to-county shares, Census places and House districts (119th Congress) from the Census 2020 relationship files (shares of land); metro area from the OMB delineation (July 2023); town name and time zone from simplemaps US ZIP Codes (CC BY 4.0).
How does 52132 compare with the rest of Winneshiek County?
| Measure | 52132 | In Winneshiek County | In IA |
|---|---|---|---|
| People (ACS 2020-2024) | 1,759 | 5th of 12 | 308th of 970 |
| Median household income | $101k | 1st of 8 | 59th of 396 |
| Median home value | $232k | 3rd of 8 | 121st of 423 |
Its median household income is higher than in 81% of U.S. residential ZIP codes, and it is denser than 32% of all U.S. residential ZIP codes. ZIP codes at the ACS caps ($250,000 or more for household income, $2,000,000 or more for home value) share the top rank.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B19013, B25077); ranks by PlainZIP over residential ZIP codes (ZCTAs).
How many people live in 52132?
The 2020 Census counted 1,832 people in 52132; the ACS, which samples households over 2020-2024, estimates 1,759. Between the 2010 and 2020 censuses its population fell 5.5% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 1,759±306 (90% margin)
- 2020 Census count
- 1,832−5.5% since 2010 (1,938)
- Households
- 741
- Median age
- 39.7
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B01002, B11001); 2020 Census (DHC P1); 2010 Census (SF1 P1).
Who lives in 52132?
Of the 1,759 people the ACS estimates in 52132, 21.4% are under 18 and 15.5% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (93.3%).
- Under 1821.4%
- 18 to 6463.2%
- 65 and older15.5%
- White, not Hispanic93.3%
- Hispanic or Latino4.0%
- Other or two or more2.6%
- Black, not Hispanic0.0%
- Asian, not Hispanic0.0%
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01001 age by sex, B03002 Hispanic or Latino origin by race); shares of the estimated population, small ZIP codes carry wide margins.
What do households in 52132 earn?
Median household income is $100,559 (ACS 2020-2024), the highest of the 8 ranked ZIP codes in Winneshiek County. It rose from $65,298 in 2015-2019 (in 2024 dollars), a change larger than the surveys' margins of error.
- Median household income
- $100,559±$20,733
- Income per person
- $44,415
- Below the poverty line
- 8.0%
- Unemployed (of the labor force)
- 0.3%
- Adults 25+ with a bachelor's degree
- 23.1%
- Adjusted gross income per tax return, 2022
- $70,959810 returns; wages 70% of AGI (IRS)
Source: U.S. Census Bureau, ACS 2020-2024 and 2015-2019 5-year estimates (B19013, B19301, B17001, B23025, B15003; 2015-2019 dollars converted with the BLS CPI-U, 1.22699); IRS Statistics of Income, ZIP code data, tax year 2022 (adjusted gross income per return, filed under the address on the return).
What are homes worth in 52132?
- Median home value (owners' estimate)
- $231,600
- Median gross rent
- $775
- Homes owned by their occupants
- 70.3%
- Housing units
- 811
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001); FHFA House Price Index, annual five-digit ZIP, updated 2026-03-31.
What businesses are in 52132?
50 business establishments had a location in this ZIP code in 2023, the same count as in 2018; the most are in retail trade (ZIP Code Business Patterns).
- Retail trade9
- Construction5
- Manufacturing5
- Other services (except public administration)5
- Wholesale trade4
- Finance and insurance4
Source: U.S. Census Bureau, ZIP Code Business Patterns 2023 and 2018 (establishments with paid employees, by the business's ZIP code).
Which ZIP codes are next to 52132?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 52168 | Spillville | 356 | $54k | 1.4 mi |
| 52144 | Fort Atkinson | 1,075 | $85k | 5.2 mi |
| 52165 | Ridgeway | 1,098 | $85k | 7.5 mi |
| 52163 | Protivin | 333 | $78k | 8.8 mi |
| 52161 | Ossian | 1,532 | $88k | 10.4 mi |
| 52101 | Decorah | 12,706 | $74k | 13.3 mi |
| 52136 | Cresco | 5,840 | $71k | 14.4 mi |
| 52166 | Saint Lucas | 137 | $111k | 9.9 mi (near) |
| 52171 | Waucoma | 1,314 | $95k | 11.7 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.