Washington ZIP Codes — Saint Landry County, LA

There is one unique ZIP code in Washington, Louisiana and it is 70589. Area code: 337.

ZIP codes

118.22

sq mi land

1.35

sq mi water

337

area code

Washington, LA ZIP code map

About Washington, LA

Washington, Louisiana, is a charming town located in Saint Landry County. Known for its rich history and small-town appeal, it offers a glimpse into the cultural heritage of the region. With a single ZIP code of 70589, Washington is a tightly-knit community with a friendly atmosphere.

Location & geography

Situated in the heart of Louisiana, Washington has a land area of 118.22 square miles, complemented by a water area of 1.35 square miles. The town is conveniently located near several cities, including Opelousas which is approximately 10 miles to the southwest and Lafayette about 25 miles to the southeast. The terrain is a mix of flatlands and waterways, making it a picturesque setting.

Community & economy

The character of Washington is defined by its historical significance and community spirit. Local industries typically revolve around agriculture and small businesses, serving the needs of both residents and visitors. Daily life in Washington is relaxed, with residents often engaging in community events and enjoying the scenic beauty surrounding them.

Transportation

Access to Washington is primarily facilitated by nearby highways, including Interstate 49, which connects the town to larger cities in Louisiana. The nearest major airport is Lafayette Regional Airport, located approximately 25 miles away, providing air travel options for residents and visitors. Public transportation options may be limited, so personal vehicles are commonly used.

History

Washington was founded in the early 19th century, capitalizing on its location along the Bayou Courtableau. Historically, it served as a crucial river port facilitating trade and commerce, which helped shape the local economy. Notable events include its development during the Louisiana Purchase era and its significance in regional agricultural production.

Did you know?

One surprising fact about Washington is that it is home to the historic site of the Washington Ghost Tours, which explore the town’s haunted past. Additionally, the town has been a popular setting for artists and writers seeking inspiration from its rich natural and cultural landscape.

ZIP codes for Washington, LA (1)

ZIP code	City	County	Map
70589	Washington	Saint Landry	View map

Demographics & statistics

3,208

Population

34.3

Median age

$46,809

Median household income

$30,325

Per capita income

$127,700

Median home value

$598

Median monthly rent

72.0%

Home ownership

17.8%

Poverty rate

0.0%

Unemployment

1,176

Housing units

14.1%

Bachelor's or higher

Age distribution

Male Female

155

Under 5

160

117

5–9

121

10–14

100

15–19

103

109

20–24

112

231

25–34

238

166

35–44

172

130

45–54

134

135

55–59

139

132

60–64

136

129

65–74

134

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	873	27.2%
18 and over	2,335	72.8%
65 and over	440	13.7%
Median age	34.3 years

Race & ethnicity

White 63.7%

Black or African American 32%

Two or more races 4%

Hispanic or Latino 0.3%

Group	Count	%
White	2,048	63.7%
Black or African American	1,031	32%
Two or more races	129	4%
Hispanic or Latino	9	0.3%

Household income

Under $10k 5.8%

$10k–$15k 17.5%

$15k–$25k 12.0%

$25k–$35k 5.6%

$35k–$50k 14.2%

$50k–$75k 17.1%

$75k–$100k 4.7%

$100k–$150k 10.1%

$150k–$200k 6.3%

$200k+ 6.8%

Range	% of households
Under $10k	5.8%
$10k–$15k	17.5%
$15k–$25k	12.0%
$25k–$35k	5.6%
$35k–$50k	14.2%
$50k–$75k	17.1%
$75k–$100k	4.7%
$100k–$150k	10.1%
$150k–$200k	6.3%
$200k+	6.8%
Median income	$46,809

Housing

Home values

Under $50k 20.5%

$50k–$100k 21.4%

$100k–$150k 13.9%

$150k–$200k 12.1%

$200k–$300k 16.9%

$300k–$500k 15.2%

Housing overview

Metric	Value
Median home value	$127,700
Median rent / month	$598
Owner occupied	72.0%
Renter occupied	28.0%
Vacant	22.2%
Single-family detached	63.7%
Large apartment buildings	0.8%
Mobile homes	24.1%
Median rooms	5.1
Avg household size (owned)	2.78

Year built

Era	%
2020 or later	0.0%
2010–2019	9.0%
2000–2009	7.3%
1990–1999	8.2%
1980–1989	21.1%
1970–1979	9.0%
1960–1969	32.2%
1950–1959	5.3%
1940–1949	4.2%
1939 or earlier	3.7%

Bedrooms

Size	% of units
No bedroom (studio)	3.9%
1 bedroom	3.2%
2 bedrooms	30.0%
3 bedrooms	54.2%
4 bedrooms	7.2%
5+ bedrooms	1.5%

Vehicles per household

Vehicles	% of households
No vehicle	4.4%
1 vehicle	36.3%
2 vehicles	33.7%
3 or more	25.6%

Heating fuel

Fuel type	%
Utility gas	15.5%
Electricity	83.7%
Propane / LP gas	0.9%

Households & families

Household type	Count	%
Married-couple family	447	38.2%
Cohabiting couple	178	15.2%
Male householder, no spouse	165	14.1%
Female householder, no spouse	380	32.5%
Households with children under 18	365	31.2%
Households with seniors (65+)	302	25.8%
Average household size	2.69

Marital status

Status	Male	Female
Never married	48.3%	38.9%
Married	40.8%	34.4%
Separated	0.3%	0.0%
Widowed	2.9%	13.6%
Divorced	7.7%	13.0%

Education

Less than 9th grade 4.8%

Some HS, no diploma 9.6%

HS graduate 48.2%

Some college, no degree 13.9%

Associate's degree 9.4%

Bachelor's degree 7.5%

Graduate / professional 6.6%

Metric	%
HS diploma or higher	85.6%
Bachelor's or higher	14.1%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	148	20.6%
Kindergarten	49	6.8%
Elementary school	310	43.2%
High school	164	22.8%
College / grad school	47	6.5%

Employment

Industry of employment

Education & healthcare 20.9%

Manufacturing 17.3%

Retail trade 17.1%

Arts, food & hospitality 12.2%

Construction 11.1%

Public administration 5.1%

Transportation & utilities 4.1%

Wholesale trade 3.3%

Finance & real estate 2.9%

Other services 2.8%

Professional & management 2.5%

Agriculture & mining 0.7%

Occupation

Category	%
Management, business & arts	27.8%
Service	21.9%
Sales & office	26.5%
Natural resources & construction	5.0%
Production & transportation	18.8%

Employment type

Type	%
Private sector	77.8%
Government	14.1%
Self-employed	8.1%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	76.0%
Carpool	12.7%
Public transit	0.0%
Walk	5.1%
Other means	0.0%
Avg commute (minutes)	34.7

Poverty

All people 17.8%

Under 18 years 11.2%

18 and over 20.2%

Married-couple families 11.2%

Female-led households 29.9%

Income support

Source	% of households
Social Security	28.6%
Retirement income	18.8%
Supplemental Security	9.3%
Cash public assistance	0.9%
Food stamps / SNAP	21.5%

Health indicators

Condition	%
High blood pressure	46.2%
High cholesterol	40.0%
Heart disease	9.3%
Stroke	5.3%
Asthma	10.6%
Arthritis	31.2%
Kidney disease	4.4%
Pulmonary disease	11.0%
Cancer	7.0%

Behavior / access	%
Binge drinking	17.3%
No physical activity	36.4%
Less than 7 hrs sleep	34.0%
Fair or poor health	25.5%
Poor mental health	18.4%
Poor physical health	16.1%
No health insurance	16.9%
Visited doctor (checkup)	80.4%
Visited dentist	52.2%
Cholesterol screening	89.2%
Teeth loss	23.6%

Veterans & disability

Veterans	Count	%
Civilian veterans	67	2.9%

Disability	%
Any disability	12.1%
Under 18	2.1%
18–64 years	11.3%
65 and over	38.3%

Health insurance coverage

Type	%
Private insurance	47.7%
Public insurance	44.2%
Uninsured under 19	31.9%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	2,893	90.2%
Spanish	41	1.4%
Other Indo-European	0	0.0%
Asian & Pacific Islander	41	1.4%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	3,200	99.8%
Born in same state	3,200	99.8%
Born in different state	3,072	95.8%
Foreign born	0	0.0%
Naturalized citizen	8	0.2%
Not a US citizen	8	100.0%

Ancestry

Ancestry	Count	%
German	506	15.8%
French	155	4.8%

Ancestry	Count	%
Arab	126	3.9%
Italian	29	0.9%

Technology access

Metric	% of households
Computer access	36.5%
Internet access	79.5%

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

Frequently asked questions

What ZIP codes does Washington, LA have?

Washington, LA has one ZIP code: 70589. Each ZIP code serves a distinct delivery area within the city and surrounding region.