ZIP Code Tabulation Area · Idaho

ZIP Code 83854: Post Falls, ID

ZIP Code 83854 (Post Falls, Kootenai County, Idaho) has an estimated 54,851 residents in 20,056 households. The median household income is $82,742, the median home value is $489,800 and the median gross rent is $1,495/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

54,851

Margin of error ±1,180

Median household income

$82,742

Margin of error ±$7,241

Median home value

$489,800

Margin of error ±$19,771

Median gross rent

$1,495/mo

Margin of error ±$99

Median age

36.9 yrs

Margin of error ±1.6 yrs

Mean travel time to work

23.8 min

Margin of error ±2.8 min

How ZIP 83854 compares with Idaho 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 8385436.9 yrsIdaho37.3 yrsUnited States38.9 yrs

Median household income

ZIP 83854$82,742Idaho$77,800United States$80,734

Per capita income

ZIP 83854$35,865Idaho$38,952United States$44,673

Poverty rate

ZIP 8385411.2%Idaho10.6%United States12.5%

Unemployment rate

ZIP 838543.8%Idaho3.7%United States5.2%

Bachelor's degree or higher

ZIP 8385425.3%Idaho31.8%United States35.7%

Median home value

ZIP 83854$489,800Idaho$418,600United States$332,700

Median gross rent

ZIP 83854$1,495/moIdaho$1,238/moUnited States$1,413/mo

Owner-occupied homes

ZIP 8385467.9%Idaho72.1%United States65.2%

Mean travel time to work

ZIP 8385423.8 minIdaho21.6 minUnited States26.4 min

Worked from home

ZIP 8385414.2%Idaho13.3%United States15.1%

All figures for ZIP 83854

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 83854 — ACS 2020–2024 5-year estimates
Measure	ZIP 83854	Margin of error	Idaho	United States
Total population	54,851	±1,180	1,934,262	334,922,499
Median age	36.9 yrs	±1.6 yrs	37.3 yrs	38.9 yrs
Households	20,056	±730	713,005	129,227,496
Median household income	$82,742	±$7,241	$77,800	$80,734
Per capita income	$35,865	±$1,847	$38,952	$44,673
Poverty rate	11.2%	±2.2 pts	10.6%	12.5%
Unemployment rate	3.8%	±1.0 pts	3.7%	5.2%
Bachelor's degree or higher	25.3%	±2.0 pts	31.8%	35.7%
Median home value	$489,800	±$19,771	$418,600	$332,700
Median gross rent	$1,495/mo	±$99	$1,238/mo	$1,413/mo
Owner-occupied homes	67.9%	±2.6 pts	72.1%	65.2%
Mean travel time to work	23.8 min	±2.8 min	21.6 min	26.4 min
Worked from home	14.2%	±2.1 pts	13.3%	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 83854
Group	ZIP 83854	Idaho	United States
White alone, not Hispanic or Latino	83.6%	78.6%	57.4%
Black or African American alone, not Hispanic or Latino	0.3%	0.7%	11.9%
American Indian and Alaska Native alone, not Hispanic or Latino	0.8%	0.7%	0.5%
Asian alone, not Hispanic or Latino	0.5%	1.3%	5.9%
Native Hawaiian and Other Pacific Islander alone, not Hispanic or Latino	0.0%	0.1%	0.2%
Some other race alone, not Hispanic or Latino	0.5%	0.6%	0.6%
Two or more races, not Hispanic or Latino	7.5%	4.2%	4.3%
Hispanic or Latino (of any race)	6.9%	13.6%	19.3%

Where ZIP 83854 is

State: Idaho
Main county: Kootenai County
Largest overlapping place: Post Falls (20% of the ZIP's land area)
Land area: 77.58 sq mi· about 707 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 Kootenai County

83801 Kootenai County, ID 83810 Kootenai County, ID 83814 Kootenai County, ID 83815 Coeur d'Alene, ID 83833 Kootenai County, ID 83835 Kootenai County, ID 83842 Kootenai County, ID 83858 Kootenai County, ID 83869 Kootenai County, ID 83876 Kootenai County, ID

See every ZIP code in Idaho, or compare ZIP 83854 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.