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US ZIP Code Profile

ZIP Code 62239
Dupo, Illinois

ZIP code 62239 is in Dupo, located in Saint Clair County, Illinois, within the St. Louis metro area. Its 2020 Census population was 4,638. The estimated median adjusted gross income per tax return is $43,452, and about 1% of filers report $200,000 or more.

2020 Population
4,638
Census ZCTA
County
Saint Clair
FIPS 17163
Median income (est.)
$43,452
IRS SOI 2022
Land Area
7.887 mi²
+ 0.044 mi² water

01Location & Geography

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

Primary CityDupo, IL
CountySaint Clair County (FIPS 17163)
StateIllinois (FIPS 17)
Metro Area (MSA)St. Louis, MO-IL Metro Area (41180)
Census Region / DivisionMidwest Region · East North Central Division
Coordinates38.535175, -90.16147
Land / Water Area7.887 mi² land · 0.044 mi² water

02Income & Economics

Distribution of the 2,110 individual tax returns filed in 62239 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
28.0%
$25K–$50K
29.9%
$50K–$75K
18.5%
$75K–$100K
10.0%
$100K–$200K
12.3%
$200K+
1.4%
The $200,000+ bracket accounts for 6% of 62239's total adjusted gross income, from 1% of returns — a concentration that drives the gap between the median ($43,452) 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 62239's IRS income metrics, 2020–2022.

Median income (2021→2022)
$43,452
▲ 7.5%
Filers earning $200K+
1.4%
▲ 0.5 pt
Total filers
2,110
▲ 1.0%
GET /zipc/v2/zipcodes/62239/soi?year=… $39K 2020 $40K 2021 $43K 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 62239 ZCTA.

2000
4,766
 
2010
4,954
▲ +3.9%
2020
4,638
▼ -6.4%

05Nearby ZIP Codes — Live Radius Search

Drag the slider to filter ZIP codes by distance from 62239. Powered by the same radius endpoint developers call from the API.

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ZIP codes within range of 62239

Dupo and its immediate neighbors, sorted by distance.

3 mi
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Distance from 62239 to any ZIP

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06USPS Postal Details

Delivery and facility attributes from the monthly USPS dataset.

ZIP ClassificationNon-Unique Zip
Facility TypePost Office
Carrier Route SortD
USPS Finance Number162256
City AliasesDupo

07Frequently Asked Questions

What county is ZIP code 62239 in?

ZIP code 62239 is in Saint Clair County, Illinois (county FIPS code 17163).

What city is ZIP code 62239?

The primary USPS city for 62239 is Dupo, IL.

What metro area (MSA) is 62239 in?

62239 is part of the St. Louis, MO-IL Metro Area (MSA code 41180).

What is the population of ZIP code 62239?

The 2020 Census population of 62239 was 4,638 residents.

What is the median income in ZIP code 62239?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 62239 is about $43,452, with around 1% of filers reporting $200,000 or more. Note that adjusted gross income is a tax measure and differs from U.S. Census household income.