Union County ZIP Codes

List of ZIP Codes in Union County

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

S.N.	Zip Code	Latitude	Longitude	City	Population	Density
1	71724	33.326	-92.54053	Calion	258	55.1
2	71730	33.20303	-92.63458	El Dorado	29,187	24.6
3	71747	33.05892	-92.22238	Huttig	657	2.9
4	71749	33.07049	-92.81964	Junction City	2,994	7.2
5	71758	33.30899	-92.91435	Mount Holly	85	0.5
6	71759	33.31506	-92.65967	Norphlet	350	152.7
7	71762	33.33668	-92.76767	Smackover	3,019	19.3
8	71765	33.13358	-92.33628	Strong	2,206	4.3

About Union County ZIP Codes

Union County in Arkansas (AR) is served by approximately 8 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 38,756 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 Union County are located in cities such as El Dorado, Smackover, Junction City, Strong, Huttig. These cities and towns help define the economic and demographic character of the county.

Most ZIP Codes in Union County, Arkansas follow the America/Chicago time zone.

Union County ZIP Codes

List of ZIP Codes in Union County

About Union County ZIP Codes

Arkansas Counties ZIP Codes

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