ZIP Codes of Columbia County, AR

Population & People
Population & People
Total Population
23,623
Household Income
Household Income
Median Income
$51,696
Housing
Housing
Total Housing Units
11,952
Business & Economy
Business & Economy
Total Businesses
532
Employment
Employment
Employment Rate
52.85%
Education
Education
Bachelor's Degree+
20.65%
Source: U.S. Census ACS 2024 5-Year Estimates · rolled up across the 6 ZIPs in this county.
Data Last Updated: July 1, 2026
ZIP Codes:6 ZIP Codes (5 Standard, 1 PO Box, 0 Unique) [See All]
Area Codes:327 / 870
Timezone:Central (GMT -06:00)
Local Time:11:52:40 PM
Population:23,623 [See All]
FIPS:05027
CBSA:Magnolia, AR
Land Area:840 sq mi
Water Area:8 sq mi
Coordinates:33.2529, -93.2567
Quick Link:
https://www.zip-codes.com/county/ar-columbia.asp
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Arkansas's #27 most populous county
23,623 residents across 6 ZIPs — #27 of 78 Arkansas counties.

Standout ZIPs in this County


Most Populous
Magnolia · 15,474 people
65.5% of county total
Highest Income
Emerson · $65,455 median
1.3× county average
Largest Land Area
Magnolia · 321.6 sq mi
Spans the most ground
Fastest Growth
Emerson · 52.5% (10-yr)
1,377 → 2,100 residents
Most Educated
Magnolia · 21.9% bachelor's+
2,015 of 9,199 adults 25+

Things worth knowing about Columbia County


23,623 residents live across 6 ZIPs covering 840 sq mi, served by 5 distinct USPS-recognized cities.

Population moved from 24,674 to 23,623 from 2014 to 2024 — a -4.3% change. 3 ZIPs gained residents, 2 lost.

The county's wealthiest ZIP 71740 (Emerson, $65,455 median) and poorest ZIP 71752 (Mc Neil, $39,803) are 19.4 miles apart — a 1.6× income gap across local geography.

Median home values vary 2.8× across this county — from $59,200 in 71752 (Mc Neil) to $168,300 in 71740 (Emerson).

Density varies across the county — from 12 people/sq mi in 71740 (Emerson) to 48 in 71753 (Magnolia).

Educational attainment ranges from 14.9% bachelor's+ in 71861 (Taylor) to 32.4% in 71752 (Mc Neil) — the breadth of educational profiles across the area.

Within Arkansas, this is the #27 most populous of 78 counties and ranks #46 for median household income .

Weighted by population, the typical household earns about $51,386 across the county — reflecting what a typical resident sees, not a simple ZIP average.

20.6% of adults age 25+ hold a bachelor's degree or higher (3,077 of 14,901 reporting).

5 Standard delivery, 1 PO Box only, 0 single-entity Unique ZIPs serve this county.

Stories about Columbia County


Big & sparse

A frontier county — vast land area with only a few residents per square mile. Daily life looks very different here than in the country's denser counties.

Total area
840
square miles
Avg density
28.1
people per sq mi
Population
23,623
across 6 ZIPs
Magnolia
321.6 sq mi
15,474 residents
Emerson
182.0 sq mi
2,100 residents
Waldo
149.7 sq mi
3,307 residents

Single-ZIP anchor

One ZIP holds the majority of this county's population — a sign of a county built around a single city or town.

Magnolia

All ZIP Codes in Columbia County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
71753MagnoliaStandard15,474$50,504321.6-12.0%
71770WaldoStandard3,307$44,569149.75.2%
71740EmersonStandard2,100$65,455182.052.5%
71861TaylorStandard2,093$58,150147.517.3%
71752Mc NeilStandard649$39,80339.7-16.3%
71754MagnoliaPO Box0.0

Adjacent & Nearby Counties