Buchanan County ZIP Codes

List of ZIP Codes in Buchanan County

The following table lists ZIP Codes associated with Buchanan County, Iowa, based on ZIP Code Tabulation Area (ZCTA) data from the U.S. Census Bureau.

S.N.	Zip Code	Latitude	Longitude	City	Population	Density
1	50607	42.60872	-91.74747	Aurora	404	3.3
2	50629	42.64222	-92.081	Fairbank	2,335	12.0
3	50641	42.59746	-91.91961	Hazleton	1,665	14.3
4	50644	42.47751	-91.89721	Independence	8,475	22.6
5	50650	42.61915	-91.65429	Lamont	664	6.3
6	50654	42.45812	-91.60933	Masonville	335	2.4
7	50682	42.45241	-91.69893	Winthrop	1,700	7.6
8	52210	42.33905	-92.00537	Brandon	975	10.9
9	52326	42.39513	-91.75641	Quasqueton	745	290.0
10	52329	42.35894	-91.85405	Rowley	677	5.2

About Buchanan County ZIP Codes

Buchanan County in Iowa (IA) is served by approximately 10 ZIP Codes. These codes cover residential neighborhoods, business districts, and rural areas that fall under the county's jurisdiction.

Based on ZIP-level population estimates, the total population covered by these ZIP Codes is around 17,975 people. Population and density values vary from one ZIP Code to another, reflecting the mix of dense urban communities and lower-density suburban or rural zones.

Many of the most significant population centers in Buchanan County are located in cities such as Independence, Fairbank, Winthrop, Hazleton, Brandon. These cities and towns help define the economic and demographic character of the county.

Most ZIP Codes in Buchanan County, Iowa follow the America/Chicago time zone.

Buchanan County ZIP Codes

List of ZIP Codes in Buchanan County

About Buchanan County ZIP Codes

Iowa Counties ZIP Codes

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