Chickasaw County, IA ZIP codes

9 ZIP/ZCTAs intersecting this county.

ACS 2023 population

11,868

Median household income

$73,421

Median home value

$164,400

U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: County Chickasaw County (GEOID 19037). Methodology

Combined population of ZIP/ZCTAs intersecting this county: 26,263 (9 ZIPs).

Combined population of ZIP/ZCTAs intersecting this county. Each intersecting ZIP contributes its full ZCTA population; overlap percents are descriptive only. This is not the Census county ACS headline above. Methodology

ZIP/ZCTA overlap with Chickasaw County

Population overlap

Share of each ZIP/ZCTA’s population located within Chickasaw County, based on ZIP Code Database county-overlap data. This is a population measure, not land-area overlap or the Census county population.

5060388.8%
Directory county
506160.9%
5063097.6%
Directory county
5064590.7%
Directory county
5065889.4%
Directory county
50659100.0%
Directory county
506742.1%
5215498.5%
Directory county
5217120.2%

ZIP Code Database county-overlap table, field percent_of_zip_population_in_county, keyed by county_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology

ZIP codes intersecting Chickasaw County

ZIP	City	County	Population	Income
50603	Alta Vista	Chickasaw County	410	$62,667
50616	Charles City	Floyd County	9,419	$63,226
50630	Fredericksburg	Chickasaw County	1,353	$68,859
50645	Ionia	Chickasaw County	1,301	$61,563
50658	Nashua	Chickasaw County	2,432	$70,321
50659	New Hampton	Chickasaw County	5,942	$76,620
50674	Sumner	Bremer County	3,596	$63,429
52154	Lawler	Chickasaw County	638	$55,833
52171	Waucoma	Fayette County	1,172	$83,854

USPS associates these ZIPs with Chickasaw County

These codes list Chickasaw County as a primary or acceptable city. They are not used for the ACS headline.

ZIP	City	County	Population	Income
50661	North Washington	Chickasaw County	—	—