Real Estate Data API

54421 Colby

8 active listings out of 1.1K total properties we track in ZIP 54421 (Colby, WI) — listings, off-market homes, rentals, and full sales/tax history. Refreshed nightly.

Get this data → API docs
Active
8
Median
$199K
±0%
Sales (12mo)
47
Tracked
1.1K
Zoomed out

While you're here, take in the bigger picture — maps below show Wisconsin (statewide), not just 54421. Same company, same dataset, different resolution.

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Key Numbers
Tracked
1.1K
Active
8
Median list
$199K
Sales (12mo)
47
Get this data →
Key Numbers
Tracked
1.1K
Active
8
Median list
$199K
Sales (12mo)
47
Get this data →
Key Numbers
Tracked
1.1K
Active
8
Median list
$199K
Sales (12mo)
47
Get this data →
Key Numbers
Tracked
1.1K
Active
8
Median list
$199K
Sales (12mo)
47
Get this data →
Key Numbers
Tracked
1.1K
Active
8
Median list
$199K
Sales (12mo)
47

Inventory breakdown

Distribution of the 8 currently-active listings in ZIP 54421. Full dataset covers 1.1K properties — listings, off-market homes, rentals, and full history.

Active by price range
Under $300K 5 (62.5%)
$300K–$500K 2 (25%)
$500K–$750K 1 (12.5%)
$750K–$1M 0 (0%)
$1M–$2M 0 (0%)
$2M+ 0 (0%)
Active by bedroom count
Studio/1 bd 0
2 bd 0
3 bd 5
4 bd 2
5+ bd 1
Active by property type
Single Family 8 (100%)
For Developers

Get Colby 54421 data in your app

curl
request 
GET https://api.straply.com/v1/markets/zip/54421
Authorization: Bearer $STRAPLY_KEY
200 OK response 
{
  "zip": "54421",
  "total_tracked": 1116,
  "active": 8,
  "median_list": 199000
}
Get an API key Read the docs

ZIP 54421 · Colby, WI real estate: market summary

As of June 2026, Straply tracks 1,116 homes in ZIP 54421 (Colby, WI), with 8 active for sale at a median list price of $199,000 (~$126/sq ft). Notably, it has notably historic housing — 30% of homes predate 1940.

Median list price
$199,000
Median $/sq ft
$126
Active listings
8
Properties tracked
1,116

Frequently asked: ZIP 54421 · Colby, WI real estate

What is the median home price in ZIP 54421?

The median list price in ZIP 54421 (Colby, WI) is $199,000 (about $126 per square foot), based on 8 active listings tracked by Straply as of June 2026.

What price range are homes in ZIP 54421?

Active listings in ZIP 54421 (Colby, WI) concentrate in: 62% under $300k and 25% $300k–$500k.

How many homes are for sale in ZIP 54421?

Straply is tracking 8 active listings in ZIP 54421 (Colby, WI) out of 1,116 properties on record as of June 2026.

How old are the homes in ZIP 54421?

Most homes in ZIP 54421 (Colby, WI) were built in the 2000s. About 35% were built after 1980, while 30% predate 1940. The newest tracked home dates to 2019.

What types of homes are in ZIP 54421?

ZIP 54421 (Colby, WI) is mostly single-family homes (100% of listings).

How many bedrooms do homes in ZIP 54421 typically have?

The most common size in ZIP 54421 (Colby, WI) is 3 bd.

Data as of June 2026. Source: Straply. For address-level history and programmatic access, use the Straply API.