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US ZIP Code Profile

ZIP Code 36319
Columbia, Alabama

ZIP code 36319 is in Columbia, located in Houston County, Alabama, within the Dothan metro area. Its 2020 Census population was 2,285. The estimated median adjusted gross income per tax return is $42,045, and about 4% of filers report $200,000 or more.

2020 Population
2,285
Census ZCTA
County
Houston
FIPS 01069
Median income (est.)
$42,045
IRS SOI 2022
Land Area
100.198 mi²
+ 0.159 mi² water

01Location & Geography

Authoritative geographic identifiers from the U.S. Census Bureau, ANSI, and FIPS standards.

Primary CityColumbia, AL
CountyHouston County (FIPS 01069)
StateAlabama (FIPS 01)
Metro Area (MSA)Dothan, AL Metro Area (20020)
Census Region / DivisionSouth Region · East South Central Division
Coordinates31.331938, -85.14887
Land / Water Area100.198 mi² land · 0.159 mi² water

02Income & Economics

Distribution of the 940 individual tax returns filed in 36319 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
34.0%
$25K–$50K
23.4%
$50K–$75K
12.8%
$75K–$100K
10.6%
$100K–$200K
14.9%
$200K+
4.3%
The $200,000+ bracket accounts for 21% of 36319's total adjusted gross income, from 4% of returns — a concentration that drives the gap between the median ($42,045) and the average.
Estimated median = median adjusted gross income per tax return, interpolated from IRS SOI brackets. Differs from U.S. Census household income.

03Income Over Time

Year-over-year change in 36319's IRS income metrics, 2020–2022.

Median income (2021→2022)
$42,045
▲ 6.0%
Filers earning $200K+
4.3%
▲ 1.2 pt
Total filers
940
▼ 3.1%
GET /zipc/v2/zipcodes/36319/soi?year=… $38K 2020 $40K 2021 $42K 2022
Median = adjusted gross income per return, interpolated from IRS SOI brackets. Figures are nominal (not inflation-adjusted).

04Population Trend

Decennial U.S. Census population for the 36319 ZCTA.

2000
2,353
 
2010
2,276
▼ -3.3%
2020
2,285
▲ +0.4%

05USPS Postal Details

Delivery and facility attributes from the monthly USPS dataset.

ZIP ClassificationNon-Unique Zip
Facility TypePost Office
Carrier Route SortC
USPS Finance Number011960
City AliasesColumbia, Haleburg

06Frequently Asked Questions

What county is ZIP code 36319 in?

ZIP code 36319 is in Houston County, Alabama (county FIPS code 01069).

What city is ZIP code 36319?

The primary USPS city for 36319 is Columbia, AL.

What metro area (MSA) is 36319 in?

36319 is part of the Dothan, AL Metro Area (MSA code 20020).

What is the population of ZIP code 36319?

The 2020 Census population of 36319 was 2,285 residents.

What is the median income in ZIP code 36319?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 36319 is about $42,045, with around 4% of filers reporting $200,000 or more. Note that adjusted gross income is a tax measure and differs from U.S. Census household income.