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US ZIP Code Profile

ZIP Code 71203
Monroe, Louisiana

ZIP code 71203 is in Monroe, located in Ouachita County, Louisiana, within the Monroe metro area. Its 2020 Census population was 37,438. The estimated median adjusted gross income per tax return is $35,343, and about 4% of filers report $200,000 or more.

2020 Population
37,438
Census ZCTA
County
Ouachita
FIPS 22073
Median income (est.)
$35,343
IRS SOI 2022
Land Area
118.808 mi²
+ 6.648 mi² water

01Location & Geography

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

Primary CityMonroe, LA
CountyOuachita County (FIPS 22073)
StateLouisiana (FIPS 22)
Metro Area (MSA)Monroe, LA Metro Area (33740)
Census Region / DivisionSouth Region · West South Central Division
Coordinates32.58199, -92.01857
Land / Water Area118.808 mi² land · 6.648 mi² water

02Income & Economics

Distribution of the 15,380 individual tax returns filed in 71203 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
39.4%
$25K–$50K
25.6%
$50K–$75K
13.0%
$75K–$100K
7.5%
$100K–$200K
10.9%
$200K+
3.5%
The $200,000+ bracket accounts for 24% of 71203's total adjusted gross income, from 4% of returns — a concentration that drives the gap between the median ($35,343) 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 71203's IRS income metrics, 2020–2022.

Median income (2021→2022)
$35,343
▲ 4.9%
Filers earning $200K+
3.5%
▼ 0.1 pt
Total filers
15,380
▲ 0.6%
GET /zipc/v2/zipcodes/71203/soi?year=… $32K 2020 $34K 2021 $35K 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 71203 ZCTA.

2000
33,991
 
2010
37,105
▲ +9.2%
2020
37,438
▲ +0.9%

05USPS Postal Details

Delivery and facility attributes from the monthly USPS dataset.

ZIP ClassificationNon-Unique Zip
Facility TypePost Office
Carrier Route SortD
USPS Finance Number216175
City AliasesLakeshore, Monroe

06Frequently Asked Questions

What county is ZIP code 71203 in?

ZIP code 71203 is in Ouachita County, Louisiana (county FIPS code 22073).

What city is ZIP code 71203?

The primary USPS city for 71203 is Monroe, LA.

What metro area (MSA) is 71203 in?

71203 is part of the Monroe, LA Metro Area (MSA code 33740).

What is the population of ZIP code 71203?

The 2020 Census population of 71203 was 37,438 residents.

What is the median income in ZIP code 71203?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 71203 is about $35,343, 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.