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US ZIP Code Profile

ZIP Code 33178
Miami, Florida

ZIP code 33178 is in Miami, located in Miami-Dade County, Florida, within the Miami-Fort Lauderdale-West Palm Beach metro area. Its 2020 Census population was 65,487. The estimated median adjusted gross income per tax return is $42,217, and about 8% of filers report $200,000 or more.

2020 Population
65,487
Census ZCTA
County
Miami-Dade
FIPS 12086
Median income (est.)
$42,217
IRS SOI 2022
Land Area
56.374 mi²
+ 7.263 mi² water

01Location & Geography

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

Primary CityMiami, FL
CountyMiami-Dade County (FIPS 12086)
StateFlorida (FIPS 12)
Metro Area (MSA)Miami-Fort Lauderdale-West Palm Beach, FL Metro Area (33100)
Census Region / DivisionSouth Region · South Atlantic Division
Coordinates25.835497, -80.42248
Land / Water Area56.374 mi² land · 7.263 mi² water

02Income & Economics

Distribution of the 31,950 individual tax returns filed in 33178 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
35.1%
$25K–$50K
21.6%
$50K–$75K
12.9%
$75K–$100K
8.1%
$100K–$200K
14.3%
$200K+
8.0%
The $200,000+ bracket accounts for 45% of 33178's total adjusted gross income, from 8% of returns — a concentration that drives the gap between the median ($42,217) 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 33178's IRS income metrics, 2020–2022.

Median income (2021→2022)
$42,217
▲ 2.9%
Filers earning $200K+
8.0%
▲ 1.3 pt
Total filers
31,950
▲ 9.1%
GET /zipc/v2/zipcodes/33178/soi?year=… $36K 2020 $41K 2021 $42K 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 33178 ZCTA.

2000
15,272
 
2010
39,489
▲ +158.6%
2020
65,487
▲ +65.8%

05USPS Postal Details

Delivery and facility attributes from the monthly USPS dataset.

ZIP ClassificationNon-Unique Zip
Facility TypePost Office
Carrier Route SortB
USPS Finance Number115850
City AliasesMiami, Doral, Medley

06Frequently Asked Questions

What county is ZIP code 33178 in?

ZIP code 33178 is in Miami-Dade County, Florida (county FIPS code 12086).

What city is ZIP code 33178?

The primary USPS city for 33178 is Miami, FL.

What metro area (MSA) is 33178 in?

33178 is part of the Miami-Fort Lauderdale-West Palm Beach, FL Metro Area (MSA code 33100).

What is the population of ZIP code 33178?

The 2020 Census population of 33178 was 65,487 residents.

What is the median income in ZIP code 33178?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 33178 is about $42,217, with around 8% of filers reporting $200,000 or more. Note that adjusted gross income is a tax measure and differs from U.S. Census household income.