United States › Iowa › Colfax CITY
Colfax Iowa · 2,303 residents (2025 est.) · 2.56 sq mi
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The short version
With 2,210 people, Colfax is a city in Iowa. This skews young, with a median age of 33.1. Four-year degrees are less common here than nationally, at 22% of adults. The typical home is worth $178,000, having more than doubled since 2000. 2% of residents were born outside the United States. Renters pay $789 a month at the median.
At a glance
Average income
near the US median
US median: $82,259
Younger
median age 33.1
US median: 38.9
Less educated
22% hold a bachelor's degree
US average: 36%
Less affordable
home values up 43%, inflation adjusted
US median home: $376,019
Section 01
Population & growth from 2,223 in 2000
2,303 in 2025 (Census Bureau estimate)
863 / sq mi
−23%since 2009
from 1,126 / sq mi in 2009
US average: 281
from 34.8 in 2000
US average: 38.9
Population, 1990 – 2024
2K 2K 2K 3K 3K 1990 2000 2010 2020 2024 Colfax Age distribution, 2024
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02
Income & economy $79,318
+6%inflation adjusted, since 2000
from $41,006 in 2000
US average: $82,259
from $17,662 in 2000
US average: $44,673
Households earning $100K+
from 23.1% in 2009
US average: 53.3%
from 6.7% in 2000
US average: 12.5%
from 0.351 in 2010
US average: 0.476
Workforce by industry, 2024
Public administration 6.1%
Transportation & warehousing 2.9%
Education & health services 2.6%
Professional, scientific, technical 2.3%
Arts, entertainment, food 1%
Agriculture, forestry, fishing 0.3%
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$178,000
+43%inflation adjusted, since 2000
from $68,500 in 2000
US average: $376,019
$789
−10%inflation adjusted, since 2000
from $481 in 2000
US average: $1,442
from 79.2% in 2000
31.0% rent
from 4.8% in 2009
US average: 10.0%
2.54 people
Unchangedsince 2009
from 2.54 people in 2009
US average: 2.54
from 20.9% in 2009
US average: 22.9%
from 29.8% in 2009
US average: 47.4%
from 2.1 in 2009
Years of local income it takes to buy a local home, on a scale of about 0 to 15. Lower is more affordable.
Our index, 0 to 100. Higher means faster recent growth in incomes, home values, and college degrees.
Section 04
Race & ethnicity 2000
White, non-Hispanic 97.6%(2,169)
Hispanic / Latino 0.7%(16)
2024
White, non-Hispanic 93.2%(2,059)
Hispanic / Latino 2.4%(54)
from 5 in 2009
Our index, 0 to 100. Higher means a more even mix of racial and ethnic groups.
Section 04 · Origins
Detailed origins & ancestry Ancestry
+ 6 more ancestry groups with data from 10.5% in 2000
US average: 35.6%
High school or higher
from 86.5% in 2000
US average: 89.6%
from 1.7% in 2000
US average: 14.0%
Section 06
Commute & transportation from 16.5 min in 2000
US average: 26.5
from 70.8% in 2009
US average: 68.9%
from 16.6% in 2009
US average: 8.5%
from 0.0% in 2009
US average: 3.2%
from 10.6% in 2009
US average: 15.0%
from 1.6% in 2009
US average: 2.4%
from 0.0% in 2009
US average: 0.4%
from 5.0% in 2009
US average: 8.3%
Section 07
Work & employment from 6.1% in 2011
US average: 5.2%
from 68.9% in 2011
US average: 63.5%
Women 20-64 in the labor force
from 84.7% in 2020
US average: 74.6%
from 27.4% in 2009
US average: 13.1%
from 24.2% in 2009
US average: 42.5%
Section 08
People & community from 0.5% in 2009
US average: 14.1%
from 12.4% in 2009
US average: 6.2%
from 12.2% in 2012
US average: 13.3%
from 4.7% in 2013
US average: 8.4%
from 72.3% in 2017
US average: 91.0%
Computer in household
from 86.8% in 2020
US average: 95.5%
from 86.3% in 2020
US average: 87.7%
from 98.0% in 2016
US average: 77.7%
from 0.6% in 2016
US average: 13.6%
Marital status
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
Section 09
Health coverage from 4.7% in 2013
US average: 8.4%
from 60.2% in 2020
US average: 54.8%
Direct-purchase
from 20.0% in 2020
US average: 13.8%
from 18.9% in 2020
US average: 18.4%
from 20.6% in 2020
US average: 20.9%
VA health care
from 3.4% in 2020
US average: 2.2%
Any private
from 76.6% in 2020
US average: 67.1%
Any public
from 38.2% in 2020
US average: 36.7%
Shares are "alone or in combination": a person with both Medicare and Medicaid counts in each, so categories overlap and do not sum to 100%.
Section 09 · Service history
Veterans Veterans by period of service, 2024
Gulf War (2001 or later) 36%(50)
Gulf War (1990s) 16.5%(23)
Share of the 139 veterans here. A veteran who served across eras counts in each, so shares can total more than 100%. Peacetime-only service is included in the total but not shown as an era.
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Drill deeper
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Frequently asked
How many people live in Colfax, Iowa? Colfax, Iowa has about 2,210 residents according to the 2024 American Community Survey.
What is the median household income in Colfax, Iowa? The typical household in Colfax, Iowa earns about $79,318 a year. Half of households make more than that, and half make less.
Is Colfax, Iowa expensive? In Colfax, Iowa, the median home is worth about $178,000, and the typical rent is about $789 a month.
How educated are people in Colfax, Iowa? About 22.2% of adults age 25 and over in Colfax, Iowa hold a bachelor's degree or higher.
What is the poverty rate in Colfax, Iowa? About 9.1% of people in Colfax, Iowa live below the federal poverty line.
Has Colfax, Iowa grown since 1990? Yes, Colfax, Iowa has shrunk since 1990. The population has lost about 252 residents, a change of about -10 percent over that period.
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