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US ZIP Code Profile

ZIP Code 99504
Anchorage, Alaska

ZIP code 99504 is in Anchorage, located in Anchorage County, Alaska, within the Anchorage metro area. Its 2020 Census population was 42,375. The estimated median adjusted gross income per tax return is $52,154, and about 4% of filers report $200,000 or more.

2020 Population
42,375
Census ZCTA
County
Anchorage
FIPS 02020
Median income (est.)
$52,154
IRS SOI 2022
Land Area
6.37 mi²
+ 0.04 mi² water

01Location & Geography

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

Primary CityAnchorage, AK
CountyAnchorage County (FIPS 02020)
StateAlaska (FIPS 02)
Metro Area (MSA)Anchorage, AK Metro Area (11260)
Census Region / DivisionWest Region · Pacific Division
Coordinates61.2046, -149.7461
Land / Water Area6.37 mi² land · 0.04 mi² water

02Income & Economics

Distribution of the 19,030 individual tax returns filed in 99504 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
22.8%
$25K–$50K
25.6%
$50K–$75K
18.6%
$75K–$100K
11.5%
$100K–$200K
17.7%
$200K+
3.8%
The $200,000+ bracket accounts for 17% of 99504's total adjusted gross income, from 4% of returns — a concentration that drives the gap between the median ($52,154) 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 99504's IRS income metrics, 2020–2022.

Median income (2021→2022)
$52,154
▲ 9.7%
Filers earning $200K+
3.8%
▲ 0.4 pt
Total filers
19,030
▼ 0.6%
GET /zipc/v2/zipcodes/99504/soi?year=… $45K 2020 $48K 2021 $52K 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 99504 ZCTA.

2000
37,284
 
2010
40,914
▲ +9.7%
2020
42,375
▲ +3.6%

05Nearby ZIP Codes — Live Radius Search

Drag the slider to filter ZIP codes by distance from 99504. Powered by the same radius endpoint developers call from the API.

GET /zipc/v2/radius

ZIP codes within range of 99504

Anchorage and its immediate neighbors, sorted by distance.

3 mi
GET /zipc/v2/distance

Distance from 99504 to any ZIP

Enter a 5-digit ZIP to calculate the distance.

06USPS Postal Details

Delivery and facility attributes from the monthly USPS dataset.

ZIP ClassificationNon-Unique Zip
Facility TypePost Office
Carrier Route SortD
USPS Finance Number020312
City AliasesAnchorage

07Frequently Asked Questions

What county is ZIP code 99504 in?

ZIP code 99504 is in Anchorage County, Alaska (county FIPS code 02020).

What city is ZIP code 99504?

The primary USPS city for 99504 is Anchorage, AK.

What metro area (MSA) is 99504 in?

99504 is part of the Anchorage, AK Metro Area (MSA code 11260).

What is the population of ZIP code 99504?

The 2020 Census population of 99504 was 42,375 residents.

What is the median income in ZIP code 99504?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 99504 is about $52,154, 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.