Post Falls, ID · standard

ZIP Code 83854

Kootenai County, Idaho — Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.

Reviewed by PlainZIP Editorial Team, ZIP Code Data Editors · June 15, 2026

37,245
192/sq mi: $82,742
Median income: $489,800
Median home value: 25.3%
Bachelor's or higher

The verdict

Post Falls pairs an above-median household income with upper-quartile home values, in a rural, homeowner-dominated area.

Top 35%
household income, US ZIPs: Top 13%
home value, US ZIPs: 192
people per sq mi: 68%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 83854 against every reporting US ZIP.

ZIP code 83854 is classified by USPS as a standard delivery area and covers roughly 194.3 square miles in Post Falls, Kootenai County, Idaho. The area is home to 37,245 residents, producing a population density of 192 people per square mile, and falls within the Los Angeles time zone. These USPS and Census boundary values drive every downstream statistic on this page, including the benchmarks that compare 83854 against Idaho and the nation.

On the economic side, the median household income for ZIP 83854 sits at $82,742 (13% above the Idaho average), while per-capita income is $35,865. The poverty rate stands at 11.2% and the unemployment rate at 3.8%. On housing, the median home value is $489,800 (29% above the state average) with median rent at $1,495 per month, and 67.9% of occupied units are owner-occupied, a direct signal of whether 83854 behaves more like a homeowner neighborhood or a renter-heavy ZIP.

Education and household profile round out the picture: 25.3% of adults hold a bachelor's degree or higher, the median age is 36.9, and the average commute is 24 minutes. We also surface 3 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Kootenai County, so you can benchmark 83854 against its immediate geography rather than a national average alone. Every figure is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates, HUD Fair Market Rents, and FHFA Home Price Index data, no estimates, no proprietary scoring. Verify with HUD →

Top industries in ZIP 83854

Construction

303
Health care and social assistance

160
Retail trade

158
Professional, scientific, and technical services

148
Other services (except public administration)

114

What this shows Establishment counts come from the Census ZIP Code Business Patterns program, which counts physical business locations rather than employees or revenue.

Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + HUD FMR + FHFA HPI ACS demographics, ZBP business establishments, HUD Fair Market Rents, FHFA HPI for ZIP 83854, Post Falls, ID · 2023 Accessed 2026-06-15 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; HUD FMR + FHFA HPI updated quarterly/annually.

Quick Facts

37,245

Population

194.3

Area (sq mi)

192

People / sq mi

Los Angeles

Time Zone

standard

ZIP Type

Neighborhood Scorecard

Get an A-F grade across income, safety, housing, rent, education, commute, and childcare for this ZIP code.

View Scorecard →

Who lives in ZIP 83854?

36.9

Median Age

49.9%

Male

50.1%

Female

1.8%

Foreign-Born

White 85.9%

African American 0.3%

Asian 0.5%

American Indian or Alaska Native 1.1%

Native Hawaiian or Pacific Islander 0.0%

Two or More Ethnicities 10.7%

Hispanic or Latino 6.9%

Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How much do residents earn?

$82,742

Median Household Income

+13% vs state

$35,865

Per Capita Income

11.2%

Poverty Rate

3.8%

Unemployment Rate

23.8 min

Mean Commute Time

How ZIP 83854 ranks nationally

Household income vs. every US ZIP code

Median household income — the full national distribution, with this ZIP marked

$82,742 Top 35% higher than 65% of 30,318 US ZIPs

Each bar is a $20K-wide band; taller bars hold more US ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source U.S. Census Bureau — ACS 5-Year Estimates · 2019–2023

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What is the education profile here?

High School Graduate or Higher 52.4%

Bachelor's Degree or Higher 25.3%

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What does housing look like?

21,156

Total Housing Units

20,056

Occupied Units

1,100

Vacant Units

2.72

Avg Household Size

Occupancy Type

Owner 67.9%

Renter 32.1%

$489,800

Median Home Value

+29% vs state

$1,495

Median Rent

2002

Median Year Built

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How have home values changed over time?

FHFA House Price Index, annual appreciation data based on repeat sales and appraisals

+2.5%

YoY Change (2024)

392

HPI Index (2000 = 100)

+292%

Total Change Since 2000

Home values in ZIP 83854 have increased 2.5% over the past year (2024). Since 2000, this ZIP has seen +292% cumulative appreciation.

Year	Annual Change	HPI Index
2020	+9.7%	256
2021	+25.5%	321
2022	+18.6%	381
2023	+0.4%	382
2024	+2.5%	392

Source: Federal Housing Finance Agency (FHFA) House Price Index, All-Transactions, Five-Digit ZIP Codes (Developmental Index). Index base = 100 in year 2000. Data through 2024. ZIP codes with few transactions may show missing values.

What businesses operate in this ZIP?

Census Bureau data shows 1,485 business establishments in ZIP 83854, employing approximately 15,354 people with a combined annual payroll of $776,150,000.

1,485

Businesses

15,354

Employees

$776.1M

Annual Payroll

Industry Sectors

Industry	Establishments	% of Total
Construction	303	20.4%
Health care and social assistance	160	10.8%
Retail trade	158	10.6%
Professional, scientific, and technical services	148	10.0%
Other services (except public administration)	114	7.7%
Accommodation and food services	100	6.7%
Administrative and support and waste management and remediation services	97	6.5%
Real estate and rental and leasing	93	6.3%
Manufacturing	91	6.1%
Finance and insurance	62	4.2%
Wholesale trade	44	3.0%
Transportation and warehousing	34	2.3%
Arts, entertainment, and recreation	25	1.7%
Educational services	24	1.6%
Information	16	1.1%
Agriculture, forestry, fishing and hunting	9	0.6%
Utilities	3	0.2%

Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.

Nearby ZIP Codes

Want a side-by-side? Compare 83854 vs 99019 →

83854

37,245
83858

13,656
99019

9,502
99025

5,232

What this shows Among its immediate neighbors, ZIP 83854 ranks the most populous — useful context the national average alone can't give.

99019

$120,053
99025

$118,712
83858

$95,380
83854

$82,742

What this shows By household income, ZIP 83854 ranks #4 of 4 neighboring ZIPs — local affluence varies block to block, not just metro to metro.

ZIP Code	City	Population	Distance
99019	Liberty Lake, WA	9,502	7.1 mi
99025	Newman Lake, WA	5,232	7.2 mi
83858	Rathdrum, ID	13,656	9.8 mi

More ZIP Codes in Kootenai County

Kootenai County Post Falls, ID Idaho

Frequently Asked Questions

What county is ZIP code 83854 in? ▼

ZIP code 83854 (Post Falls) is located in Kootenai County, Idaho. Kootenai County contains multiple ZIP codes, see the full list at /counties/kootenai-id.

What is the population of ZIP code 83854? ▼

ZIP code 83854 in Post Falls, ID has a population of 37,245 according to the Census Bureau ACS 2023 estimates.

What is the median household income in ZIP 83854? ▼

The median household income in ZIP 83854 is $82,742, which is 8% above the national average of $76,288.

What is the average home value in ZIP 83854? ▼

The median home value in ZIP 83854 is $489,800, which is 76% above the national average of $278,155.

What is the demographic makeup of ZIP 83854? ▼

The largest racial group in ZIP 83854 is White at 85.9%. Hispanic or Latino residents make up 6.9% of the population.

How many businesses are in ZIP code 83854? ▼

ZIP code 83854 has 1,485 business establishments employing approximately 15,354 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.

What are the main industries in ZIP code 83854? ▼

The top industries by establishment count in ZIP 83854 are: Construction (303), Health care and social assistance (160), Retail trade (158). There are 17 industry sectors represented in total.

How have home values changed in ZIP code 83854? ▼

According to the FHFA House Price Index, home values in ZIP 83854 increased by 2.5% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 292%. This is a developmental index based on repeat sales and appraisal data from Fannie Mae and Freddie Mac.

What is the education level in ZIP code 83854? ▼

In ZIP code 83854, 52.4% of residents aged 25+ have a high school diploma or higher, and 25.3% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).

What is the average commute time in ZIP 83854? ▼

The mean commute time for workers in ZIP code 83854 is 23.8 minutes according to Census ACS data. The national average is roughly 26 minutes, so commuters here spend less time traveling to work than typical.

What percentage of residents own vs. rent in ZIP 83854? ▼

In ZIP code 83854, approximately 67.9% of occupied housing units are owner-occupied and 32.1% are renter-occupied, based on Census ACS 2023 data.

What is the poverty rate in ZIP code 83854? ▼

The poverty rate in ZIP code 83854 is 11.2% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.