Residential delivery area · Alaska
ZIP Code 99645: Palmer, AK
ZIP code 99645 uses the postal name Palmer, Alaska and lies entirely in Matanuska-Susitna Borough (Census 2020 ZIP-county file). About 32,000 people live there (Census Bureau, ACS 2020-2024). Median household income is $100,455 (Census Bureau, ACS 2020-2024). By Census place, its land lies in Knik River (14%), Lazy Mountain (10%), Fishhook (10%), Butte (6%), Buffalo Soapstone (4%), Gateway (3%), Farm Loop (2%) and Palmer (under 1%), and 1% in smaller places; 50% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Palmer · its only residential ZIP
- Census places
- Knik River (14%) census-designated place; Lazy Mountain (10%) census-designated place; Fishhook (10%) census-designated place; Butte (6%) census-designated place
- Metro area
- Anchorage, AK
- House district
- AK at large 119th Congress
- State
- Alaska
- Time zone
- Alaska
- Land area
- 586.2 sq mi · 55 people per sq mi
Where is ZIP code 99645?
99645 centers on 61.624°, -148.982° and covers 586.2 square miles of land plus 24.3 of water. It borders 4 ZIP codes: 99654, 99567, 99688, 99674.
The map draws ZIP code areas only. For the streets inside 99645, open its center on OpenStreetMap.
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries and the 2023 Gazetteer (2020 ZCTAs); ZIP-to-county shares, Census places and House districts (119th Congress) from the Census 2020 relationship files (shares of land); metro area from the OMB delineation (July 2023); town name and time zone from simplemaps US ZIP Codes (CC BY 4.0).
How does 99645 compare with the rest of Matanuska-Susitna Borough?
| Measure | 99645 | In Matanuska-Susitna Borough | In AK |
|---|---|---|---|
| People (ACS 2020-2024) | 32,103 | 2nd of 12 | 5th of 245 |
| Median household income | $101k | 1st of 7 | 14th of 53 |
| Median home value | $367k | 1st of 9 | 19th of 57 |
Its median household income is higher than in 81% of U.S. residential ZIP codes, and it is denser than 44% of all U.S. residential ZIP codes. ZIP codes at the ACS caps ($250,000 or more for household income, $2,000,000 or more for home value) share the top rank.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B19013, B25077); ranks by PlainZIP over residential ZIP codes (ZCTAs).
How many people live in 99645?
The 2020 Census counted 28,818 people in 99645; the ACS, which samples households over 2020-2024, estimates 32,103. Its boundary changed between the 2010 and 2020 censuses, so the two counts are not compared.
- People, ACS 2020-2024
- 32,103
- 2020 Census count
- 28,818
- Households
- 11,103
- Median age
- 37.5
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B01002, B11001); 2020 Census (DHC P1); 2010 Census (SF1 P1).
Who lives in 99645?
Of the 32,103 people the ACS estimates in 99645, 25.0% are under 18 and 14.3% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (76.6%), then Other or two or more (15.1%).
- Under 1825.0%
- 18 to 6460.7%
- 65 and older14.3%
- White, not Hispanic76.6%
- Other or two or more15.1%
- Hispanic or Latino6.0%
- Black, not Hispanic1.2%
- Asian, not Hispanic1.0%
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01001 age by sex, B03002 Hispanic or Latino origin by race); shares of the estimated population, small ZIP codes carry wide margins.
What do households in 99645 earn?
Median household income is $100,455 (ACS 2020-2024), the highest of the 7 ranked ZIP codes in Matanuska-Susitna Borough.
- Median household income
- $100,455
- Income per person
- $44,034
- Below the poverty line
- 8.1%
- Unemployed (of the labor force)
- 5.0%
- Adults 25+ with a bachelor's degree
- 32.4%
- Adjusted gross income per tax return, 2022
- $94,07514,430 returns; wages 64% of AGI (IRS)
Source: U.S. Census Bureau, ACS 2020-2024 and 2015-2019 5-year estimates (B19013, B19301, B17001, B23025, B15003; 2015-2019 dollars converted with the BLS CPI-U, 1.22699); IRS Statistics of Income, ZIP code data, tax year 2022 (adjusted gross income per return, filed under the address on the return).
What are homes worth in 99645?
FHFA's house price index for 99645, built from repeat sales and appraisals of the same homes, rose 78% from 2015 to 2025 and rose 56% from 2020 to 2025, and moved +7.9% in 2025.
- Median home value (owners' estimate)
- $367,400
- Median gross rent
- $1,332
- Homes owned by their occupants
- 80.2%
- Housing units
- 12,015
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001); FHFA House Price Index, annual five-digit ZIP, updated 2026-03-31.
What businesses are in 99645?
798 business establishments had a location in this ZIP code in 2023, 134 more than in 2018; the most are in construction (ZIP Code Business Patterns).
- Construction165
- Health care and social assistance123
- Other services (except public administration)81
- Professional, scientific, and technical services79
- Retail trade69
- Accommodation and food services67
Source: U.S. Census Bureau, ZIP Code Business Patterns 2023 and 2018 (establishments with paid employees, by the business's ZIP code).
Which ZIP codes are next to 99645?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 99654 | Wasilla | 44,647 | $98k | 14.5 mi |
| 99567 | Chugiak | 6,452 | $147k | 22.5 mi |
| 99688 | Willow | 2,739 | $77k | 27.6 mi |
| 99674 | Sutton | 1,774 | $64k | 30.3 mi |
| 99694 | Houston | 1,516 | $75k | 27.9 mi (near) |
| 99505 | Jber | 5,015 | $101k | 32.3 mi (near) |
| 99577 | Eagle River | 28,477 | $137k | 32.7 mi (near) |
| 99623 | Wasilla | 23,424 | $89k | 33.5 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.