ZIP Code · ID

ZIP 83854

Part of Post Falls, ID

Pop. 54,851·Kootenai County·22nd most expensive ZIP in Idaho

Median rent (all units)

$1,692/mo

Year-over-Year

+3.7%

Month-over-Month

+1.3%

vs US Median

-$240

Reported rents

Rising (Monthly)

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ZIP 83854 · $1,692

More affordable than 58% of US ZIP codes · National median $1,932/mo

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Medians by bedroom

Rent by unit size

Studio

$1,090

1 BR

$1,290

2 BR

$1,530

3 BR

$2,130

4 BR+

$2,570

Research median

$1,530/mo

Bedroom estimates are gross rents that include essential utilities (electricity, water, gas, sewer, trash).

Rent trends

12-month history

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Last updated: October 17, 2026

From the history

What the numbers show

Cheapest month to sign

January. Asking rents in ZIP 83854 usually run 1% below trend in January and 1.6% above it in July, about $44 a month apart at today's median. Based on 5 years of data.

Compared with the peak

Rent in ZIP 83854 is at its highest level since Zillow's records here began in April 2021.

Past year vs. the rest of Idaho

Rent in ZIP 83854 changed +3.7% over the year to September 2026. Across the 34 Idaho ZIP codes Zillow tracks, the typical change was +6.0%.

Recent direction

Rent has risen 6 months in a row, and rose in 9 of the last 12 months.

What a typical income covers

30% of the median household income ($82,742) is $2,069 a month. That covers HUD's Fair Market Rent for up to a 2-bedroom ($1,530); a 3-bedroom is $2,130.

From Zillow's monthly rent index (ZORI) for ZIP 83854. The seasonal pattern compares Zillow’s seasonally adjusted and unadjusted series. Income is the Census median household income (5-year estimates). Fair Market Rents are HUD’s, which include utilities.

Annual cost

$20,304/yr

At $1,692/mo median

Location

CityPost Falls

StateID

CountyKootenai County

Rent Market Meter

Strong Landlord's Market

Renter's MarketBalancedLandlord's Market

Rents are up 3.7% year-over-year. Expect competition, and move quickly to lock in terms.

Based on rent-price momentum (+3.7% YoY, +1.3% MoM), not inventory.

Demographics

Who lives here

ZIP 83854 (Post Falls, ID) is majority owner-occupied, has a large share of families with children, 25.3% of residents hold a bachelor's degree or higher.

Population

54,851

Median income

$82,742

Median age

36.9

Renters

32.1%

Age distribution

25.6%

22.5%

24.7%

16%

Under 1825.6%

18–3422.5%

35–5424.7%

55–6411.2%

65+16%

Gender

49.9%

50.1%

Male49.9%

Female50.1%

Race & ethnicity

85.9%

White85.9%

Hispanic6.9%

Asian0.5%

Other6.5%

Education (25+)

27.1%

40.7%

25.3%

No HS diploma6.9%

HS diploma27.1%

Some college40.7%

Bachelor's+25.3%

Housing tenure

67.9%

32.1%

Owner67.9%

Renter32.1%

Source: U.S. Census Bureau · ACS 2024 5-Year Estimates

2021 vs 2026

How ZIP 83854 in Post Falls, ID has changed in 5 years

Rent

$1,349 → $1,692

up 25.4%

Income

$64,874 → $82,742

up 27.5%

Population

48,382 → 54,851

up 13.4%

Renter share

27% → 32.1%

+5.1 pts

Bachelor's+

20.1% → 25.3%

+5.2 pts

Median age

35.1 → 36.9

+1.8 yrs

Across the past five years, the going rent in ZIP 83854 in Post Falls, ID has shifted from $1,349 to $1,692, up 25.4% since 2021. On the earnings side, the typical household in ZIP 83854 in Post Falls, ID now reports about $82,742, up from $64,874 in 2021. Census counts show ZIP 83854 in Post Falls, ID adding about 6,469 residents over the five-year window, up 13.4% on net. The renter share has risen from 27% to 32.1%, with owner-occupied housing accounting for the remainder. Bachelor's-degree-or-higher attainment moved from 20.1% to 25.3% across the same window. For context, the 2021 to 2026 window covers an unusually volatile run for US rents nationally, and ZIP 83854 in Post Falls, ID reflects that arc in its own way.

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About renting in ZIP 83854

Last updated: October 17, 2026

ZIP code 83854 covers Post Falls, ID. The median rent here is $1,692/mo as of October 2026. A 1-bedroom rents for a median of $1,290/mo. A 2-bedroom rents for a median of $1,530/mo.

At 25% of local median household income ($82,742/yr), ZIP 83854 ranks as affordable compared to the national benchmark of 30%. Rents have increased 3.7% over the past year.

FAQ

Frequently asked questions

How much income do you need to rent in ZIP 83854?

To keep rent at or below 30% of gross income, you would need to earn at least $68,000/year (about $33/hour full-time) to afford the median rent of $1,692/mo in ZIP 83854. The local median household income is $82,742/yr, so the typical household meets that bar.

Is rent going up or down in ZIP 83854?

Rent in ZIP 83854 has risen 3.7% over the past year as of September 2026. That is the highest level since Zillow's records here began in April 2021.

When is the cheapest time to rent in ZIP 83854?

Asking rents in ZIP 83854 are usually lowest in January, about 1% below their yearly trend, and highest in July, about 1.6% above it. At today's median that is a gap of roughly $44 a month. This pattern comes from 5 years of Zillow rent data.

How does ZIP 83854 compare to other ZIPs in Idaho?

ZIP 83854 is in the middle among Idaho ZIP codes for rent, ranking #22 of 39 at $1,692/mo. Over the year to September 2026, rent in ZIP 83854 changed +3.7%, against a typical +6.0% across the 34 Idaho ZIP codes Zillow tracks.