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US ZIP Code Profile

ZIP Code 99508
Anchorage, Alaska

ZIP code 99508 is in Anchorage, located in Anchorage County, Alaska, within the Anchorage metro area. Its 2020 Census population was 34,394. The estimated median adjusted gross income per tax return is $45,309, and about 4% of filers report $200,000 or more.

2020 Population
34,394
Census ZCTA
County
Anchorage
FIPS 02020
Median income (est.)
$45,309
IRS SOI 2022
Land Area
6.941 mi²
+ 0.082 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
Coordinates61.2014, -149.8175
Land / Water Area6.941 mi² land · 0.082 mi² water

02Income & Economics

Distribution of the 14,910 individual tax returns filed in 99508 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
26.6%
$25K–$50K
28.8%
$50K–$75K
17.6%
$75K–$100K
9.6%
$100K–$200K
13.3%
$200K+
4.1%
The $200,000+ bracket accounts for 24% of 99508's total adjusted gross income, from 4% of returns — a concentration that drives the gap between the median ($45,309) 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 99508's IRS income metrics, 2020–2022.

Median income (2021→2022)
$45,309
▲ 8.9%
Filers earning $200K+
4.1%
▼ 0.1 pt
Total filers
14,910
▲ 0.0%
GET /zipc/v2/zipcodes/99508/soi?year=… $39K 2020 $42K 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 99508 ZCTA.

2000
33,897
 
2010
35,857
▲ +5.8%
2020
34,394
▼ -4.1%

05Nearby ZIP Codes — Live Radius Search

Drag the slider to filter ZIP codes by distance from 99508. Powered by the same radius endpoint developers call from the API.

GET /zipc/v2/radius

ZIP codes within range of 99508

Anchorage and its immediate neighbors, sorted by distance.

3 mi
GET /zipc/v2/distance

Distance from 99508 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 99508 in?

ZIP code 99508 is in Anchorage County, Alaska (county FIPS code 02020).

What city is ZIP code 99508?

The primary USPS city for 99508 is Anchorage, AK.

What metro area (MSA) is 99508 in?

99508 is part of the Anchorage, AK Metro Area (MSA code 11260).

What is the population of ZIP code 99508?

The 2020 Census population of 99508 was 34,394 residents.

What is the median income in ZIP code 99508?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 99508 is about $45,309, 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.