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US ZIP Code Profile

ZIP Code 70589
Washington, Louisiana

ZIP code 70589 is in Washington, located in Saint Landry County, Louisiana, within the Opelousas metro area. Its 2020 Census population was 3,464. The estimated median adjusted gross income per tax return is $45,357, and about 5% of filers report $200,000 or more.

2020 Population
3,464
Census ZCTA
County
Saint Landry
FIPS 22097
Median income (est.)
$45,357
IRS SOI 2022
Land Area
118.436 mi²
+ 1.435 mi² water

01Location & Geography

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

Primary CityWashington, LA
CountySaint Landry County (FIPS 22097)
StateLouisiana (FIPS 22)
Metro Area (MSA)Opelousas, LA Micro Area (36660)
Census Region / DivisionSouth Region · West South Central Division
Coordinates30.680315, -92.0032
Land / Water Area118.436 mi² land · 1.435 mi² water

02Income & Economics

Distribution of the 1,530 individual tax returns filed in 70589 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
31.4%
$25K–$50K
22.9%
$50K–$75K
13.7%
$75K–$100K
9.8%
$100K–$200K
17.6%
$200K+
4.6%
The $200,000+ bracket accounts for 25% of 70589's total adjusted gross income, from 5% of returns — a concentration that drives the gap between the median ($45,357) 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 70589's IRS income metrics, 2020–2022.

Median income (2021→2022)
$45,357
▲ 6.5%
Filers earning $200K+
4.6%
▲ 0.7 pt
Total filers
1,530
▲ 0.0%
GET /zipc/v2/zipcodes/70589/soi?year=… $40K 2020 $43K 2021 $45K 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 70589 ZCTA.

2000
3,442
 
2010
3,283
▼ -4.6%
2020
3,464
▲ +5.5%

05USPS Postal Details

Delivery and facility attributes from the monthly USPS dataset.

ZIP ClassificationNon-Unique Zip
Facility TypePost Office
Carrier Route SortC
USPS Finance Number219152
City AliasesWashington

06Frequently Asked Questions

What county is ZIP code 70589 in?

ZIP code 70589 is in Saint Landry County, Louisiana (county FIPS code 22097).

What city is ZIP code 70589?

The primary USPS city for 70589 is Washington, LA.

What metro area (MSA) is 70589 in?

70589 is part of the Opelousas, LA Micro Area (MSA code 36660).

What is the population of ZIP code 70589?

The 2020 Census population of 70589 was 3,464 residents.

What is the median income in ZIP code 70589?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 70589 is about $45,357, with around 5% of filers reporting $200,000 or more. Note that adjusted gross income is a tax measure and differs from U.S. Census household income.