Columbia ZIP Codes — Caldwell County, LA

There is one unique ZIP code in Columbia, Louisiana and it is 71418. Area code: 318.

ZIP codes

355.43

sq mi land

14.73

sq mi water

318

area code

Columbia, LA ZIP code map

About Columbia, LA

Columbia, Louisiana, is a small yet vibrant city located in Caldwell County. Known for its picturesque landscapes and friendly community, it offers a glimpse into the charm of rural Louisiana. The city serves as a hub for the surrounding areas with its welcoming atmosphere and local festivities.

Location & geography

Columbia is situated in the northeastern part of Louisiana, surrounded by beautiful natural scenery. Nearby cities include Winnsboro, approximately 18 miles to the southeast, Jena, around 25 miles to the southwest, and Rayville, about 23 miles to the south. It encompasses a total land area of 355.43 square miles and includes 14.73 square miles of water, giving it a diverse terrain that blends land and waterways.

Community & economy

The community in Columbia is known for its close-knit atmosphere and Southern hospitality, where locals support one another and participate in various events throughout the year. The economy is primarily driven by agriculture, with local industries focusing on farming and timber production. Daily life in Columbia features local markets, cultural celebrations, and recreational activities, fostering a strong sense of community among its residents.

Transportation

Columbia is accessible via U.S. Highway 165, which runs north-south and connects it with other cities in Louisiana. The nearest airport is the Monroe Regional Airport, located approximately 34 miles to the southeast. Public transportation options are limited, but local services cater to the needs of the community.

History

Columbia was founded in the mid-19th century and has since evolved into a key center within Caldwell County. Historically, the region's economy was shaped by the timber and agriculture industries, which continue to play a significant role in its development. Notable events in the city's history include local festivals that celebrate its heritage and community spirit.

Did you know?

One surprising fact about Columbia is that it is home to the annual Caldwell Parish Rodeo, which attracts visitors from all over the region. This event highlights the city's agricultural roots and the strong tradition of rodeo culture within Louisiana.

ZIP codes for Columbia, LA (1)

ZIP code	City	County	Map
71418	Columbia	Caldwell	View map

Demographics & statistics

5,363

Population

36.4

Median age

$31,928

Median household income

$25,930

Per capita income

$87,000

Median home value

$672

Median monthly rent

69.0%

Home ownership

30.5%

Poverty rate

11.4%

Unemployment

2,201

Housing units

9.3%

Bachelor's or higher

Age distribution

Male Female

197

Under 5

156

219

5–9

173

134

10–14

107

171

15–19

135

132

20–24

105

624

25–34

495

307

35–44

243

288

45–54

229

207

55–59

165

171

60–64

135

305

65–74

242

178

75–84

141

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	1,252	23.3%
18 and over	4,111	76.7%
65 and over	970	18.1%
Median age	36.4 years

Race & ethnicity

White 70.3%

Black or African American 26.8%

Two or more races 0.9%

Hispanic or Latino 0.9%

Other race 0.9%

Asian 0.1%

Group	Count	%
White	3,806	70.3%
Black or African American	1,453	26.8%
Two or more races	50	0.9%
Hispanic or Latino	49	0.9%
Other race	47	0.9%
Asian	7	0.1%

Household income

Under $10k 7.5%

$10k–$15k 6.0%

$15k–$25k 17.3%

$25k–$35k 21.1%

$35k–$50k 11.2%

$50k–$75k 9.5%

$75k–$100k 10.1%

$100k–$150k 10.3%

$150k–$200k 3.7%

$200k+ 3.2%

Range	% of households
Under $10k	7.5%
$10k–$15k	6.0%
$15k–$25k	17.3%
$25k–$35k	21.1%
$35k–$50k	11.2%
$50k–$75k	9.5%
$75k–$100k	10.1%
$100k–$150k	10.3%
$150k–$200k	3.7%
$200k+	3.2%
Median income	$31,928

Housing

Home values

Under $50k 26.7%

$50k–$100k 27.3%

$100k–$150k 18.3%

$150k–$200k 5.3%

$200k–$300k 16.1%

$300k–$500k 2.1%

$500k–$1M 4.4%

Housing overview

Metric	Value
Median home value	$87,000
Median rent / month	$672
Owner occupied	69.0%
Renter occupied	31.0%
Vacant	34.1%
Single-family detached	49.8%
Large apartment buildings	2.2%
Mobile homes	41.6%
Median rooms	5.1
Avg household size (owned)	2.64

Year built

Era	%
2020 or later	1.2%
2010–2019	6.6%
2000–2009	16.4%
1990–1999	20.8%
1980–1989	18.1%
1970–1979	15.1%
1960–1969	10.9%
1950–1959	3.3%
1940–1949	2.9%
1939 or earlier	4.7%

Bedrooms

Size	% of units
No bedroom (studio)	1.2%
1 bedroom	5.6%
2 bedrooms	37.7%
3 bedrooms	41.9%
4 bedrooms	13.0%
5+ bedrooms	0.7%

Vehicles per household

Vehicles	% of households
No vehicle	8.9%
1 vehicle	43.9%
2 vehicles	34.0%
3 or more	13.2%

Heating fuel

Fuel type	%
Utility gas	17.3%
Electricity	69.9%
Propane / LP gas	10.8%
Fuel oil	1.8%

Households & families

Household type	Count	%
Married-couple family	685	37.6%
Cohabiting couple	121	6.6%
Male householder, no spouse	353	19.4%
Female householder, no spouse	664	36.4%
Households with children under 18	654	35.9%
Households with seniors (65+)	669	36.7%
Average household size	2.88

Marital status

Status	Male	Female
Never married	45.0%	35.2%
Married	35.4%	34.5%
Separated	0.4%	6.9%
Widowed	2.6%	9.8%
Divorced	16.5%	13.7%

Education

Less than 9th grade 6.7%

Some HS, no diploma 17.6%

HS graduate 46.8%

Some college, no degree 16.1%

Associate's degree 3.6%

Bachelor's degree 6.2%

Graduate / professional 3.2%

Metric	%
HS diploma or higher	75.7%
Bachelor's or higher	9.3%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	109	10.5%
Kindergarten	56	5.4%
Elementary school	552	53.0%
High school	224	21.5%
College / grad school	101	9.7%

Employment

Industry of employment

Education & healthcare 19.9%

Manufacturing 19.0%

Construction 17.6%

Retail trade 8.5%

Agriculture & mining 7.0%

Other services 5.7%

Professional & management 5.5%

Public administration 5.1%

Arts, food & hospitality 4.2%

Finance & real estate 4.1%

Transportation & utilities 3.3%

Information 0.2%

Occupation

Category	%
Management, business & arts	25.3%
Service	14.0%
Sales & office	11.5%
Natural resources & construction	28.6%
Production & transportation	20.6%

Employment type

Type	%
Private sector	82.4%
Government	12.8%
Self-employed	4.6%
Unpaid family workers	0.2%

Commute

Method	%
Drive alone	85.5%
Carpool	2.7%
Public transit	0.0%
Walk	0.3%
Other means	5.9%
Avg commute (minutes)	27.7

Poverty

All people 30.5%

Under 18 years 39.6%

18 and over 27.7%

Married-couple families 13.6%

Female-led households 37.3%

Income support

Source	% of households
Social Security	37.8%
Retirement income	18.9%
Supplemental Security	21.4%
Cash public assistance	0.3%
Food stamps / SNAP	27.2%

Health indicators

Condition	%
High blood pressure	43.7%
High cholesterol	40.0%
Heart disease	9.2%
Stroke	4.8%
Asthma	10.0%
Arthritis	31.0%
Kidney disease	4.0%
Pulmonary disease	11.0%
Cancer	7.3%

Behavior / access	%
Binge drinking	17.7%
No physical activity	34.6%
Less than 7 hrs sleep	36.0%
Fair or poor health	23.6%
Poor mental health	18.2%
Poor physical health	15.3%
No health insurance	15.8%
Visited doctor (checkup)	78.3%
Visited dentist	52.6%
Cholesterol screening	88.9%
Teeth loss	22.1%

Veterans & disability

Veterans	Count	%
Civilian veterans	165	4.0%

Disability	%
Any disability	14.0%
Under 18	1.8%
18–64 years	13.5%
65 and over	32.9%

Health insurance coverage

Type	%
Private insurance	46.9%
Public insurance	57.1%
Uninsured under 19	7.4%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	5,010	93.4%
Spanish	0	0.0%
Other Indo-European	0	0.0%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	5,350	99.8%
Born in same state	5,308	99.0%
Born in different state	4,680	87.3%
Foreign born	42	0.8%
Naturalized citizen	13	0.2%
Not a US citizen	7	53.8%

Ancestry

Ancestry	Count	%
Arab	1,041	19.4%
Italian	526	9.8%
French	120	2.2%

Ancestry	Count	%
Polish	30	0.6%
Irish	11	0.2%

Technology access

Metric	% of households
Computer access	34.0%
Internet access	76.9%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions

What ZIP codes does Columbia, LA have?

Columbia, LA has one ZIP code: 71418. Each ZIP code serves a distinct delivery area within the city and surrounding region.