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ZIP Code · ID

ZIP 83605

Part of Caldwell, ID
Pop. 41,325·Canyon County·30th most expensive ZIP in Idaho
Median rent (all units)
$1,503/mo
Year-over-Year
+8.4%
Month-over-Month
+0.6%
vs US Median
-$462
Rising (Monthly)
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Most AffordableMost Expensive
ZIP 83605 · $1,503
More affordable than 73% of US ZIP codes · National median $1,965/mo
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Medians by bedroom

Rent by unit size

Studio
$1,170
1 BR
$1,390
2 BR
$1,660
3 BR
$2,320
4 BR+
$2,780
Research median
$1,660/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: July 20, 2026

Annual cost
$18,036/yr
At $1,503/mo median
Location
StateID
CountyCanyon County
Rent Market Meter
Strong Landlord's Market
Renter's MarketBalancedLandlord's Market
Rents are up 8.4% year-over-year. Expect competition, and move quickly to lock in terms.
Based on rent-price momentum (+8.4% YoY, +0.6% MoM), not inventory.
Demographics

Who lives here

ZIP 83605 (Caldwell, ID) is majority owner-occupied, has a large share of families with children, 15.1% of residents hold a bachelor's degree or higher.

Population
41,325
Median income
$68,427
Median age
32.4
Renters
30.8%
Age distribution
27.6%
26%
24.4%
Under 1827.6%
18–3426%
35–5424.4%
55–6410.8%
65+11.2%
Gender
49.4%
50.6%
Male49.4%
Female50.6%
Race & ethnicity
57%
42%
White57%
Black0.5%
Hispanic42%
Asian1%
Education (25+)
19.9%
34.2%
30.9%
15.1%
No HS diploma19.9%
HS diploma34.2%
Some college30.9%
Bachelor's+15.1%
Housing tenure
69.2%
30.8%
Owner69.2%
Renter30.8%

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

2021 vs 2026

How ZIP 83605 in Caldwell, ID has changed in 5 years

Rent
$1,129 → $1,503
up 33.1%
Income
$53,022 → $68,427
up 29.1%
Population
38,420 → 41,325
up 7.6%
Renter share
36.5% → 30.8%
-5.7 pts
Bachelor's+
14.7% → 15.1%
+0.4 pts
Median age
31.2 → 32.4
+1.2 yrs

The median rent in ZIP 83605 in Caldwell, ID stood at $1,129 in 2021 and currently runs about $1,503, reflecting a 33.1% increase over the period. Local incomes tracked alongside that move, going from a median of $53,022 in 2021 to $68,427 more recently. That spread, with rent up faster than earnings, points to a tougher affordability environment than five years ago. The population has grown by 7.6% since 2021, moving from about 38,420 residents to roughly 41,325. Renters now make up 30.8% of households, compared with 36.5% five years ago. These shifts give renters and would-be renters a longer baseline for sizing up today's listings against the ZIP 83605 in Caldwell, ID market of 2021.

Community

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Local insights

Tips for renters in ZIP 83605

About renting in ZIP 83605

Last updated: July 20, 2026

ZIP code 83605 covers Caldwell, ID. The median rent here is $1,503/mo as of July 2026. A 1-bedroom rents for a median of $1,390/mo. A 2-bedroom rents for a median of $1,660/mo.

At 26% of local median household income ($68,427/yr), ZIP 83605 ranks as affordable compared to the national benchmark of 30%. Rents have increased 8.4% over the past year.

FAQ

Frequently asked questions

How much is rent in ZIP code 83605?

As of July 20, 2026, the median monthly rent in ZIP 83605 (Caldwell, ID) is $1,503. This is based on aggregated data from public sources and community submissions.

How does ZIP 83605 rent compare to the US average?

ZIP 83605's median rent of $1,503/mo is $462 (24%) below the US national median of $1,965/mo.

How does ZIP 83605 compare to other ZIPs in Idaho?

ZIP 83605 is among the more affordable ZIP codes in Idaho, ranking #30 out of 40 ZIPs at $1,503/mo.

How much income do you need to rent in ZIP 83605?

To keep rent at or below 30% of gross income, you would need to earn at least $60,000/year (~$29/hour full-time) to afford the median rent of $1,503/mo in ZIP 83605. The local median household income is $68,427/yr, meaning the typical household meets that threshold.

Is rent going up or down in ZIP 83605?

Rent in ZIP 83605 has increased 8.4% over the past year as of July 20, 2026, putting upward pressure on renter budgets.

Is ZIP 83605 an affordable place to rent?

ZIP 83605 is considered affordable for renters. At $1,503/mo, rent takes approximately 26% of the local median household income ($68,427/yr). The standard benchmark is 30%. ZIP 83605 falls comfortably within that range.

What percentage of ZIP 83605 residents rent vs. own?

According to Census data, approximately 30.8% of ZIP 83605 households are renters, while 69.2% are owner-occupied. ZIP 83605 leans toward homeownership, which can mean a smaller rental inventory.

How does ZIP 83605 compare to the rest of Caldwell?

ZIP 83605 is more affordable than Caldwell overall. At $1,503/mo, it's $226 below the Caldwell citywide median of $1,729/mo.

When was rent data for ZIP 83605 last updated?

Rent data for ZIP 83605 reflects July 20, 2026. RentDataNow refreshes all data monthly using public and private datasets.
Income Affordability
26%
AFFORDABLE

At $1,503/mo, rent takes ~26% of ZIP 83605's median household income ($68,427/yr). The standard benchmark is 30%.

ZIP 83605 26%Benchmark 30%
State income tax5.8%
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Schools nearby

Public schools near ZIP 83605 (Caldwell, ID)

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