Is Colby, WI growing?

Name: Growth in Colby, WI, 2020–2024
Creator: US Census Bureau
License: https://www.census.gov/data/developers/about/terms-of-service.html

Colby, WI had an estimated 1,907 (±290) residents in 2020–2024, against 2,038 in 2015–2019.

That is a change of −6.4%, not a measurable change.

Its housing went from 855 to 713 homes (−16.6%), a measurable decrease.

0.0% of today’s homes were built in 2020 or later.

Figures last updated on November 12, 2026.

Residents now: 1,907 (±290)
Amount of change: −6.4%
Homes change: −16.6%
Built 2020 or later: 0.0%

Residents and homes in Colby, 2015–2019 and 2020–2024

2015–2019 and 2020–2024 American Community Survey 5-year estimates
	2015–2019	2020–2024	Amount of change	Verdict
Residents	2,038 (±220)	1,907 (±290)	−6.4%	Not a measurable change
Housing units	855 (±66)	713 (±75)	−16.6%	Measurable decrease
Households that rent	33.0% (±5.9 points)	46.6% (±7.2 points)	+13.6 percentage points	Measurable increase
Median gross rent	$643 (±$34)	$854 (±$66)	+32.8%	No measurable change after inflation
Median home value	$115,000 (±$8,650)	$184,700 (±$10,129)	+60.6%	Up after inflation

The Census Bureau publishes 2015–2019 dollars in 2019 dollars and 2020–2024 dollars in 2024 dollars.

Prices (the CPI-U, US Bureau of Labor Statistics) rose 22.7% between 2019 and 2024, so a dollar figure’s verdict compares the two after raising the earlier one by that much, using the Census Bureau’s test for a difference.

The two periods do not overlap, as the Census Bureau recommends for 5-year estimates.

Growth in Colby against Clark County, its state and the nation

Change between 2015–2019 and 2020–2024
	Residents	Verdict	Housing units
Colby	−6.4%	Not a measurable change	−16.6%
Clark County	+0.5%	Measurable increase	−1.4%
Wisconsin	+2.1%	Measurable increase	+3.1%
United States	+3.1%	Measurable increase	+4.6%

A change in a place’s boundaries between the two periods (an annexation, say) changes its counts as well; the Census Bureau’s figures are for the place as it was drawn in each period.

New homes in Colby

Housing units by year built, 2020–2024
Year built	Colby	Clark County	Wisconsin	United States
2020 or later	0.0% (±3.1 points)	1.9%	1.4%	2.0%
2010 to 2019	4.1% (±2.4 points)	5.3%	7.1%	9.4%
2000 to 2009	5.9% (±2.8 points)	11.9%	12.5%	13.6%

4.1% of the homes in Colby were built in 2010 or later.

The median age of residents is 38.3 years.

Growth in places near Colby

Change in residents between 2015–2019 and 2020–2024
Place	Distance	Residents now	Amount of change	Verdict
Colby	—	1,907	−6.4%	Not a measurable change
Abbotsford	2.2 mi	2,024	−9.6%	Not a measurable change
Town of Colby	3.3 mi	816	−12.4%	Not a measurable change
Town of Hull (Marathon County)	3.5 mi	832	+22.4%	Not a measurable change
Unity	4.2 mi	378	+8.6%	Not a measurable change
Dorchester	6.3 mi	879	−10.4%	Not a measurable change
Town of Mayville	6.6 mi	1,152	+30.5%	Not a measurable change
Town of Unity (Clark County)	6.7 mi	660	−19.3%	Not a measurable change
Curtiss	6.7 mi	442	+48.3%	Not a measurable change

Survey years: 2020–2024 (American Community Survey 5-year estimates), compared with 2015–2019.

Margins of error are at the 90% confidence level.

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Questions about Colby

Is Colby growing?

Colby, WI had an estimated 1,907 residents in 2020–2024 and 2,038 in 2015–2019, a change of −6.4%: not a measurable change by the Census Bureau’s test.

How many homes have been added in Colby?

The estimated number of housing units went from 855 in 2015–2019 to 713 in 2020–2024 (−16.6%), a measurable decrease.

How much new construction is there in Colby?

0.0% of homes in Colby were built in 2020 or later and 4.1% between 2010 and 2019.

Sources

To check these figures in the Census Bureau’s own API, request the variables below from the 2024 ACS 5-year data profile (acs/acs5/profile) for Colby city, Wisconsin (place:16150, in state:55).

Each estimate (E or PE) has a margin of error beside it (M or PM).

The 2015–2019 figures are B01003_001E, B01003_001M, B25001_001E, B25001_001M, DP04_0047PE, DP04_0047PM, B25064_001E, B25064_001M, B25077_001E, B25077_001M from the 2019 release.

The API needs a free key.

Request a Census API key.

DP05_0001E, DP05_0001M, DP04_0001E, DP04_0001M, DP04_0017PE, DP04_0017PM, DP04_0018PE, DP04_0018PM, DP05_0018E, DP05_0018M

This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.

Figures are published by the US Census Bureau, HUD, the Bureau of Labor Statistics and the FBI; Seayora reproduces them and does not adjust them, except where a sentence says it compares dollar figures after inflation. They describe the whole place, not any one building or street, and are not an appraisal, a rent determination, a tax bill, a safety rating or legal advice.