ZIP 50138 · Knoxville, IA · 11,374 residents · September 2026
Knoxville 50138: the market leans toward sellers.
Conditions tightening in sellers' favor. Typical home value $211K, +2.6% over 12 months; listings take 61 days to sell against 60 in the median U.S. ZIP.
Market balanceSeptember 2026
In Mar 2026: −30
Higher than 96% of scored ZIPs · #475 of 13,130 ZIPs with 5,000+ residents
Five parts, weighted. How the score works →
The reading
Where the balance sits this month and what moved it.
Month by month, since the gauge began
- Mar 2026−30
- Apr 2026−19
- May 2026−19
- Jun 2026−12
- Jul 2026+3
- Aug 2026—no reading on record
- Sep 2026+11
Each block is one month’s reading, −100 (buyers) to +100 (sellers). The series starts in March 2026. A dashed block has no reading on record. How the balance is measured →
What is pulling the needle
- 61 days on marketslower than the U.S. median ZIP's 60 days
- 15% of listings cut pricefewer than the U.S. median ZIP's 20%
- Sale-to-list 96.6%homes close below asking · Redfin, May 2026
- 30 active listings−14% vs a year ago
Blue pulls toward buyers, orange toward sellers. Realtor.com, September 2026; Redfin, May 2026.
Accelerating: prices +2.6% over the trailing year, with the market leaning toward sellers.
Asking price vs sale price
Zillow's figure is a smoothed index of typical value, not a list price; Redfin's are closed sales for the month shown.
Last 90 days
How the typical value and the listings moved over the last three months.
Prices
Typical home value since 2009, and how far it moved over each window.
Zillow ZHVI peaked at $215,230 in April 2026; the latest value is −1.7% from that peak, 4 months on. Since January 2019 it is +67.3%. The sharpest 12-month move was +0.4%, ending August 2023.
Zillow's typical home value here, $211K in August 2026, is 27% below the median U.S. ZIP's $289K. Over the 12 months to August 2026, Zillow's typical home value moved +2.6% here and +2.8% in the median U.S. ZIP.
Price tiers and bedrooms
Starter homes here rose 24% in five years while top-tier homes rose 28% (Zillow ZHVI tiers) — the top of the market outpaced the bottom.
3-bedroom homes here run 54% above 2-bedrooms (Zillow ZHVI by bedroom); the IA median premium is 40%.
Zillow typical values by price tier, home type and bedrooms, August 2026.
How it ranks
Appreciation by window
| Window | Change | Per year | U.S. rank | Iowa rank |
|---|---|---|---|---|
| 1 year | +2.6% | +2.6%/yr | Higher than 58% nationally | Higher than 46% in Iowa |
| 3 years | +10.2% | +3.3%/yr | Higher than 63% nationally | Higher than 62% in Iowa |
| 5 years | +22.1% | +4.1%/yr | Higher than 47% nationally | Higher than 31% in Iowa |
| 10 years | +89.8% | +6.6%/yr | Higher than 64% nationally | Top 8% in Iowa |
| Since 2009 | +144.5% | +5.2%/yr | — | — |
Zillow ZHVI · rank among scored ZIPs
Forecast
Where the typical value is likely to be over the next 3 to 12 months, with the range the model has earned, and up to 36 months with Pro.
Last three years, then the forecast band
HavenScore Forecast Model (v1) · run October 1, 2026A forecast is a range, not a promise; the confidence word says how wide it is. How the forecast works →
Of the 3-month ranges we published since December 2025, 54% contained the actual price.
Payment
What a typical home here costs each month, against the typical income.
Monthly payment
$1,76228% of the median household income here ($76,887)Inside the 28% line lenders use for housing costs. Rate is the Freddie Mac average for September 2026; tax is the state's statutory rate.
Insurance uses the average homeowners premium insurers reported for this ZIP in 2022, $1,519 a year (Treasury Federal Insurance Office).
Buying costs $858 a month more than renting here before tax effects and maintenance; the gap is 95% of rent. Rents moved +1.0% over the year.
Under these assumptions the cumulative cost of owning stays above renting for all 30 years.
Like for like: the HUD fair market rent for a 3-bedroom here is $1,150 a month (FY 2026), against a typical 3-bedroom value of $225K (Zillow, August 2026) — a 6.1% gross rent yield.
Price-to-income ladder
Median home value ÷ median household income · Zillow ZHVI, Census ACS · under 4× has historically been comfortable
The place
What it costs to own here beyond the price, and what the neighborhood is like.
Typical homes cost 2.8× the median household income here, against 3.2× in the median IA ZIP and 4.3× in the median U.S. ZIP (Zillow, August 2026; Census ACS 2023). Median household income is $76,887 here, against $71,388 in the median U.S. ZIP (Census ACS 2023).
Hazard ledger
FEMA National Risk Index, December 2025 release, refreshed annually · tract-level rolled up to ZIP · not a property-level rating · no future-year projection · the tick is the median of 12 scored ZIPs in Marion County.
Housing cost burden
Census ACS 2023 five-year estimates · the tick is the U.S. median ZIP.
Behind the score
The inputs behind each of the five parts, against the U.S. median ZIP.
Livability
60Seller's report
A two-page brief for selling here: the market balance, recent signals and an illustrative net-proceeds estimate.
Nearby
7 scored Iowa ZIPs within 12 miles; the ones below score within ten points and cost less.
Dots are Iowa ZIP centers colored by market balance; the ring is 12 miles.
Sources and freshness
Every figure on this page, where it came from and when.
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