ZIP Code Tabulation Area · Alaska

ZIP Code 99645: Matanuska-Susitna Borough, AK

ZIP Code 99645 (Matanuska-Susitna Borough, Alaska) has an estimated 32,103 residents in 11,103 households. The median household income is $100,455, the median home value is $367,400 and the median gross rent is $1,332/mo. Figures are U.S. Census Bureau American Community Survey 2020–2024 5-year estimates for the matching ZIP Code Tabulation Area.

American Community Survey 2020–2024 5-year estimates · Updated Oct 26, 2026

Total population

32,103

Margin of error ±1,049

Median household income

$100,455

Margin of error ±$4,567

Median home value

$367,400

Margin of error ±$7,989

Median gross rent

$1,332/mo

Margin of error ±$102

Median age

37.5 yrs

Margin of error ±0.8 yrs

Mean travel time to work

30.8 min

Margin of error ±2.5 min

How ZIP 99645 compares with Alaska and the U.S.

State and national figures are the Census Bureau's own estimates for those areas from the same ACS release, not averages of ZIP codes.

Median age

ZIP 9964537.5 yrsAlaska35.8 yrsUnited States38.9 yrs

Median household income

ZIP 99645$100,455Alaska$92,788United States$80,734

Per capita income

ZIP 99645$44,034Alaska$46,573United States$44,673

Poverty rate

ZIP 996458.1%Alaska10.1%United States12.5%

Unemployment rate

ZIP 996455.0%Alaska5.9%United States5.2%

Bachelor's degree or higher

ZIP 9964532.4%Alaska31.7%United States35.7%

Median home value

ZIP 99645$367,400Alaska$352,900United States$332,700

Median gross rent

ZIP 99645$1,332/moAlaska$1,419/moUnited States$1,413/mo

Owner-occupied homes

ZIP 9964580.2%Alaska66.8%United States65.2%

Mean travel time to work

ZIP 9964530.8 minAlaska19.4 minUnited States26.4 min

Worked from home

ZIP 9964511.4%Alaska9.7%United States15.1%

All figures for ZIP 99645

Each estimate has a 90% margin of error: the true value is likely within that range. * marks estimates with a large margin of error (a coefficient of variation above 30%, or ±10 percentage points or more for rates).

ZIP 99645 — ACS 2020–2024 5-year estimates
Measure	ZIP 99645	Margin of error	Alaska	United States
Total population	32,103	±1,049	735,706	334,922,499
Median age	37.5 yrs	±0.8 yrs	35.8 yrs	38.9 yrs
Households	11,103	±376	270,533	129,227,496
Median household income	$100,455	±$4,567	$92,788	$80,734
Per capita income	$44,034	±$1,884	$46,573	$44,673
Poverty rate	8.1%	±1.2 pts	10.1%	12.5%
Unemployment rate	5.0%	±0.8 pts	5.9%	5.2%
Bachelor's degree or higher	32.4%	±1.6 pts	31.7%	35.7%
Median home value	$367,400	±$7,989	$352,900	$332,700
Median gross rent	$1,332/mo	±$102	$1,419/mo	$1,413/mo
Owner-occupied homes	80.2%	±1.7 pts	66.8%	65.2%
Mean travel time to work	30.8 min	±2.5 min	19.4 min	26.4 min
Worked from home	11.4%	±1.6 pts	9.7%	15.1%

Race and Hispanic or Latino origin

Shares of the total population by the Census Bureau's race and Hispanic or Latino origin categories (table B03002), listed in the Census Bureau's order. People self-identify on the survey.

Population by race and Hispanic or Latino origin, ZIP 99645
Group	ZIP 99645	Alaska	United States
White alone, not Hispanic or Latino	76.6%	57.7%	57.4%
Black or African American alone, not Hispanic or Latino	1.2%	2.9%	11.9%
American Indian and Alaska Native alone, not Hispanic or Latino	5.1%	13.2%	0.5%
Asian alone, not Hispanic or Latino	1.0%	6.4%	5.9%
Native Hawaiian and Other Pacific Islander alone, not Hispanic or Latino	0.9%	1.5%	0.2%
Some other race alone, not Hispanic or Latino	0.7%	0.7%	0.6%
Two or more races, not Hispanic or Latino	8.5%	10.3%	4.3%
Hispanic or Latino (of any race)	6.0%	7.3%	19.3%

Where ZIP 99645 is

State: Alaska
Main county: Matanuska-Susitna Borough
Largest overlapping place: Knik River (14% of the ZIP's land area)
Land area: 586.22 sq mi· about 55 people per sq mi

County and place names come from the Census Bureau's 2020 ZCTA relationship files. A ZIP code's mailing city, set by the U.S. Postal Service, can differ from these names.

Other ZIP codes in Matanuska-Susitna Borough

99623 Point MacKenzie, AK 99652 Big Lake, AK 99654 Tanaina, AK 99667 Matanuska-Susitna Borough, AK 99674 Matanuska-Susitna Borough, AK 99676 Matanuska-Susitna Borough, AK 99683 Petersville, AK 99688 Willow, AK 99694 Houston, AK 99729 Matanuska-Susitna Borough, AK

See every ZIP code in Alaska, or compare ZIP 99645 with another ZIP code.

Census figures describe residents as a group and cannot tell you about any one home or street. For a specific address, check local government and housing records.

About ZIP codes and ZCTAs: the Census Bureau publishes statistics for ZIP Code Tabulation Areas, which approximate USPS ZIP code delivery areas. Learn how they differ.

Sources

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, detailed tables B01003, B01002, B11001, B19013, B19301, B17001, B23025, B15003, B25077, B25064, B25003, B08013, B08303, B08301, B03002 — snapshot Oct 26, 2026.
U.S. Census Bureau, 2020 ZCTA5 relationship files (county and place).
Data: U.S. Census Bureau, American Community Survey 5-year estimates (detailed tables) and 2020 Census ZCTA relationship files. This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau. These agencies do not endorse OpenZIP.