83854 ZIP Code — Post Falls, ID
Kootenai County, Idaho
ZIP code 83854 is located in Post Falls, Idaho, within Kootenai County. It covers approximately 77.58 square miles and serves a population of 50,378 residents. This is a standard ZIP code in the Pacific (PT) timezone, served by area code 208.
About ZIP code 83854
The housing stock consists of a mix of housing types. Much of the housing stock is relatively new, reflecting recent development activity. Median home value is $375,400. Owner-occupancy sits near the national average at 71%.
Median household income is $69,372. 36% of households receive Social Security income, suggesting a notable retiree or disability population.
The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 22 minutes is near the national average.
Educational attainment is near the national average, with 21% of residents holding a bachelor's degree or higher.
50,378
population
77.58
sq mi land
Standard
ZIP type
Pacific (PT)
timezone
83854 ZIP code map
Cities in ZIP code 83854
Below are the cities the US Postal Service accepts for ZIP code 83854. Using any city not on this list may result in mail delivery delays.
| City | Status |
|---|---|
| Post Falls | Acceptable |
| Post Falls | Preferred |
Nearby ZIP codes
83815 Coeur D Alene (7 mi)
83858 Rathdrum (7.7 mi)
99027 Otis Orchards (8.5 mi)
99025 Newman Lake (9 mi)
99019 Liberty Lake (10.1 mi)
99016 Greenacres (11.8 mi)
99016 Greenacres (11.8 mi)
99216 Spokane (12.8 mi)
99037 Veradale (13.9 mi)
83814 Coeur D Alene (14.5 mi)
99217 Spokane (14.7 mi)
99021 Mead (15.1 mi)
Demographics
updated 05/2026
| Population | |
|---|---|
| Total population | 50,378 |
| Population density | 649 / sq mi |
| State FIPS | 16 |
| County FIPS | 055 |
| Geography | |
|---|---|
| Land area | 77.58 sq mi |
| Water area | 1.87 sq mi |
| Latitude | 47.7379 |
| Longitude | -116.9402 |
| Timezone | Pacific (PT) |
| Area code | 208 |
Total population by age
Gender
Race & ethnicity
Economics
updated 05/2026
Household income
| Income range | This ZIP | County avg | State avg |
|---|---|---|---|
| Under $50k | 42.6% | 40.3% | 41.8% |
| $50k – $100k | 34.0% | 34.1% | 34.0% |
| $100k – $200k | 21.2% | 21.9% | 19.5% |
| Over $200k | 2.2% | 3.7% | 4.7% |
Demographics & statistics
50,378
Population
649
People per sq mi
35.7
Median age
$69,372
Median household income
$30,665
Per capita income
$375,400
Median home value
$1,207
Median monthly rent
70.8%
Home ownership
13.4%
Poverty rate
3.7%
Unemployment
1,399
Housing units
21.4%
Bachelor's or higher
Age distribution
Male
Female
1,934
Under 5
2,017
1,659
5–9
1,730
1,716
10–14
1,789
1,672
15–19
1,743
1,241
20–24
1,295
3,864
25–34
4,030
3,205
35–44
3,342
2,691
45–54
2,806
1,565
55–59
1,631
1,425
60–64
1,486
2,316
65–74
2,415
1,046
75–84
1,091
327
85+
342
← Male
Female →
Age summary
| Group | Count | % |
|---|---|---|
| Under 18 | 13,259 | 26.3% |
| 18 and over | 37,119 | 73.7% |
| 65 and over | 7,537 | 15.0% |
| Median age | 35.7 years | |
Race & ethnicity
White
85.5%
Two or more races
7.4%
Hispanic or Latino
4.9%
Other race
0.9%
American Indian / Alaska Native
0.7%
Asian
0.4%
Black or African American
0.3%
| Group | Count | % |
|---|---|---|
| White | 45,307 | 85.5% |
| Two or more races | 3,917 | 7.4% |
| Hispanic or Latino | 2,591 | 4.9% |
| Other race | 458 | 0.9% |
| American Indian / Alaska Native | 350 | 0.7% |
| Asian | 203 | 0.4% |
| Black or African American | 141 | 0.3% |
Household income
| Income range | This ZIP | County avg | State avg |
|---|---|---|---|
| Under $50k | 42.6% | 40.3% | 41.8% |
| $50k – $100k | 34.0% | 34.1% | 34.0% |
| $100k – $200k | 21.2% | 21.9% | 19.5% |
| Over $200k | 2.2% | 3.7% | 4.7% |
Under $10k
3.8%
$10k–$15k
2.9%
$15k–$25k
9.8%
$25k–$35k
6.3%
$35k–$50k
14.1%
$50k–$75k
18.2%
$75k–$100k
13.7%
$100k–$150k
20.7%
$150k–$200k
6.5%
$200k+
3.9%
| Range | % of households |
|---|---|
| Under $10k | 3.8% |
| $10k–$15k | 2.9% |
| $15k–$25k | 9.8% |
| $25k–$35k | 6.3% |
| $35k–$50k | 14.1% |
| $50k–$75k | 18.2% |
| $75k–$100k | 13.7% |
| $100k–$150k | 20.7% |
| $150k–$200k | 6.5% |
| $200k+ | 3.9% |
| Median income | $69,372 |
Housing
Home values
Under $50k
7.0%
$50k–$100k
4.9%
$100k–$150k
2.8%
$150k–$200k
2.2%
$200k–$300k
17.9%
$300k–$500k
40.2%
$500k–$1M
21.8%
$1M+
3.2%
Housing overview
| Metric | Value |
|---|---|
| Median home value | $375,400 |
| Median rent / month | $1,207 |
| Owner occupied | 70.8% |
| Renter occupied | 29.2% |
| Vacant | 5.6% |
| Single-family detached | 69.6% |
| Large apartment buildings | 4.6% |
| Mobile homes | 10.9% |
| Median rooms | 5.8 |
| Avg household size (owned) | 2.79 |
Year built
| Era | % |
|---|---|
| 2020 or later | 2.5% |
| 2010–2019 | 22.6% |
| 2000–2009 | 22.1% |
| 1990–1999 | 22.0% |
| 1980–1989 | 9.0% |
| 1970–1979 | 14.3% |
| 1960–1969 | 3.0% |
| 1950–1959 | 1.8% |
| 1940–1949 | 0.4% |
| 1939 or earlier | 2.3% |
Bedrooms
| Size | % of units |
|---|---|
| No bedroom (studio) | 0.7% |
| 1 bedroom | 5.3% |
| 2 bedrooms | 19.2% |
| 3 bedrooms | 50.5% |
| 4 bedrooms | 18.1% |
| 5+ bedrooms | 6.1% |
Vehicles per household
| Vehicles | % of households |
|---|---|
| No vehicle | 4.1% |
| 1 vehicle | 23.5% |
| 2 vehicles | 43.2% |
| 3 or more | 29.2% |
Heating fuel
| Fuel type | % |
|---|---|
| Utility gas | 58.0% |
| Electricity | 35.8% |
| Propane / LP gas | 1.9% |
| Wood | 3.0% |
| Solar | 0.3% |
| No fuel used | 0.5% |
Households & families
| Household type | Count | % |
|---|---|---|
| Married-couple family | 9,575 | 52.5% |
| Cohabiting couple | 1,524 | 8.4% |
| Male householder, no spouse | 2,600 | 14.3% |
| Female householder, no spouse | 4,541 | 24.9% |
| Households with children under 18 | 6,200 | 34.0% |
| Households with seniors (65+) | 5,414 | 29.7% |
| Average household size | 2.74 | |
Marital status
| Status | Male | Female |
|---|---|---|
| Never married | 30.4% | 22.7% |
| Married | 53.5% | 50.6% |
| Separated | 1.3% | 2.8% |
| Widowed | 2.0% | 9.2% |
| Divorced | 12.7% | 14.6% |
Education
Less than 9th grade
1.8%
Some HS, no diploma
6.4%
HS graduate
28.9%
Some college, no degree
32.1%
Associate's degree
9.4%
Bachelor's degree
16.0%
Graduate / professional
5.4%
| Metric | % |
|---|---|
| HS diploma or higher | 91.8% |
| Bachelor's or higher | 21.4% |
School enrollment (ages 3–17)
| Type | Count | % |
|---|---|---|
| Nursery / preschool | 815 | 7.2% |
| Kindergarten | 978 | 8.6% |
| Elementary school | 5,341 | 47.1% |
| High school | 2,826 | 24.9% |
| College / grad school | 1,385 | 12.2% |
Employment
Industry of employment
Education & healthcare
22.8%
Retail trade
12.7%
Professional & management
10.3%
Arts, food & hospitality
10.2%
Manufacturing
10.1%
Construction
8.0%
Finance & real estate
6.9%
Transportation & utilities
4.3%
Other services
4.3%
Public administration
3.7%
Wholesale trade
2.5%
Agriculture & mining
2.3%
Information
1.9%
Occupation
| Category | % |
|---|---|
| Management, business & arts | 31.8% |
| Service | 20.5% |
| Sales & office | 21.2% |
| Natural resources & construction | 11.1% |
| Production & transportation | 15.4% |
Employment type
| Type | % |
|---|---|
| Private sector | 84.8% |
| Government | 8.7% |
| Self-employed | 6.3% |
| Unpaid family workers | 0.1% |
Commute
| Method | % |
|---|---|
| Drive alone | 77.0% |
| Carpool | 9.3% |
| Public transit | 1.5% |
| Walk | 0.8% |
| Work from home | 10.7% |
| Other means | 0.7% |
| Avg commute (minutes) | 22.0 |
Poverty
All people
13.4%
Under 18 years
18.8%
18 and over
11.6%
Married-couple families
5.6%
Female-led households
26.8%
Income support
| Source | % of households |
|---|---|
| Social Security | 36.2% |
| Retirement income | 24.6% |
| Supplemental Security | 4.9% |
| Cash public assistance | 4.7% |
| Food stamps / SNAP | 9.9% |
Health indicators
| Condition | % |
|---|---|
| Obesity | 31.6% |
| High blood pressure | 30.2% |
| High cholesterol | 29.0% |
| Diabetes | 9.6% |
| Heart disease | 6.4% |
| Stroke | 2.9% |
| Asthma | 10.0% |
| Arthritis | 24.6% |
| Kidney disease | 2.8% |
| Pulmonary disease | 6.7% |
| Cancer | 6.4% |
| Behavior / access | % |
|---|---|
| Smoking | 17.6% |
| Binge drinking | 15.6% |
| No physical activity | 22.9% |
| Less than 7 hrs sleep | 31.9% |
| Depression | 20.6% |
| Fair or poor health | 13.8% |
| Poor mental health | 14.5% |
| Poor physical health | 11.4% |
| No health insurance | 15.7% |
| Visited doctor (checkup) | 70.1% |
| Visited dentist | 63.4% |
| Cholesterol screening | 85.4% |
| Teeth loss | 14.8% |
Veterans & disability
| Veterans | Count | % |
|---|---|---|
| Civilian veterans | 3,405 | 9.2% |
| Disability | % |
|---|---|
| Any disability | 15.8% |
| Under 18 | 6.7% |
| 18–64 years | 13.9% |
| 65 and over | 40.2% |
Health insurance coverage
| Type | % |
|---|---|
| Private insurance | 63.7% |
| Public insurance | 38.2% |
| No insurance | 11.7% |
| Uninsured under 19 | 4.7% |
Language & origin
Language spoken at home (age 5+)
| Language | Count | % |
|---|---|---|
| English only | 46,427 | 92.2% |
| Spanish | 434 | 0.9% |
| Other Indo-European | 222 | 0.5% |
| Asian & Pacific Islander | 99 | 0.2% |
| Other languages | 62 | 0.1% |
Place of birth & citizenship
| Origin | Count | % |
|---|---|---|
| Native born (US) | 49,700 | 98.7% |
| Born in same state | 49,224 | 97.7% |
| Born in different state | 15,658 | 31.1% |
| Foreign born | 476 | 0.9% |
| Naturalized citizen | 678 | 1.3% |
| Not a US citizen | 442 | 65.2% |
Ancestry
| Ancestry | Count | % |
|---|---|---|
| French | 7,245 | 14.4% |
| Italian | 4,385 | 8.7% |
| Polish | 2,023 | 4% |
| Arab | 1,714 | 3.4% |
| English | 730 | 1.4% |
| Ancestry | Count | % |
|---|---|---|
| German | 267 | 0.5% |
| Dutch | 156 | 0.3% |
| Irish | 137 | 0.3% |
| Norwegian | 27 | 0.1% |
Technology access
| Metric | % of households |
|---|---|
| Computer access | 36.2% |
| Internet access | 95.0% |
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 83854
What part of Post Falls is ZIP code 83854?
ZIP code 83854 covers a portion of Post Falls, Idaho, within Kootenai County.
What county is ZIP code 83854 in?
ZIP code 83854 falls within Kootenai County, Idaho.
Does ZIP code 83854 have a large retiree population?
36% of households in ZIP code 83854 receive Social Security income, suggesting a significant retiree or disability population.
What is the typical home value in ZIP code 83854?
The median home value in ZIP code 83854 is $375,400.
Does ZIP code 83854 have a large veteran population?
9% of civilians in ZIP code 83854 are veterans, above the national average of ~7%.
What is the population of ZIP code 83854?
ZIP code 83854 has an estimated population of 50,378 residents, with a density of 649 people per square mile.
What timezone is ZIP code 83854 in?
ZIP code 83854 observes the PST timezone.