Demographics of Colfax County, Nebraska

Colfax County, Nebraska had 10,934 people on July 1, 2025, by the Census Bureau’s estimate: +375 since July 2020. Age, income, poverty, housing and origin below come from the American Community Survey, averaged over 2020–2024, each with its margin of error.

Colfax County, in four figures

10,934
Population: July 1, 2025, Vintage 2025 estimate.; +3.6%
Change since July 2020: +375 people.; 35.5 ±1.6
Median age: ACS 2020–⁠2024.; $82,530 ±$6,588
Median household income: ACS 2020–⁠2024, in 2024 dollars.

Population, year by year

July 1 estimates from the Census Bureau’s Vintage 2025. Each year's change is births less deaths, net moves from abroad and net moves from elsewhere in the country, with the Bureau's small residual. The 2020 row's components run 3 months, from the April census to July 1.

Colfax County, Nebraska's population grew 3.6% from July 2020 to July 2025, against +3.1% nationally

The July 1 estimate of Colfax County, Nebraska's resident population and the nation's, each year of the Census Bureau's Vintage 2025, as a share of its July 2020 level (= 100).

U.S. Census Bureau — Census Bureau population estimates — counties and Puerto Rico municipios, with components of change

About this chart

The figures

Colfax County, Nebraska's population grew 3.6% from July 2020 to July 2025, against +3.1% nationally. The July 1 estimate of Colfax County, Nebraska's resident population and the nation's, each year of the Census Bureau's Vintage 2025, as a share of its July 2020 level (= 100).
July 1	Population	Index	United States
2020	10,559	100.0	100.0
2021	10,484	99.3	100.2
2022	10,624	100.6	100.7
2023	10,721	101.5	101.6
2024	10,914	103.4	102.5
2025	10,934	103.6	103.1

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Population of Colfax County, Nebraska on July 1 of each year, Vintage 2025
July 1	Population	Change	Births less deaths	From abroad	From elsewhere in the country
2020	10,559	−22	+36	+3	−58
2021	10,484	−75	+105	+48	−219
2022	10,624	+140	+102	+291	−259
2023	10,721	+97	+92	+211	−206
2024	10,914	+193	+120	+228	−156
2025	10,934	+20	+119	+114	−210

Age, 2020–2024

The median age is 35.5 ±1.6: for men 37.7 ±2.7 and for women 31.3 ±3.8. Shares are of everyone the survey counts, in the Bureau’s sex-by-age table (B01001).

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People in Colfax County by age, ACS 2020–2024
Age	People	Share	Nebraska	United States
Under 5	851 ±160	8.0% ±1.5	6.3% ±<0.1	5.6% ±<0.1
5 to 17	2,403 ±314	22.6% ±2.9	18.2% ±0.1	16.3% ±<0.1
18 to 24	852 ±234	8.0% ±2.2	9.8% ±0.1	9.1% ±<0.1
25 to 44	2,408 ±376	22.6% ±3.5	25.9% ±0.1	26.9% ±<0.1
45 to 64	2,658 ±393	25.0% ±3.7	23.1% ±0.1	24.8% ±<0.1
65 and over	1,469 ±229	13.8% ±2.2	16.7% ±0.1	17.2% ±<0.1

Income and poverty, 2020–2024

Median household income is $82,530 ±$6,588, and income per person $33,388 ±$3,213, in 2024 dollars. The median is $76,475 ±$633 in Nebraska and $80,734 ±$166 in the United States.

Households by income

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Households in Colfax County by income, ACS 2020–2024
Household income	Households	Share	Nebraska	United States
Under $25,000	338 ±105	9.1% ±2.8	13.8% ±0.3	14.6% ±<0.1
$25,000 to $49,999	574 ±194	15.5% ±5.2	18.0% ±0.3	16.7% ±<0.1
$50,000 to $74,999	548 ±148	14.8% ±4.0	17.3% ±0.3	15.5% ±<0.1
$75,000 to $99,999	891 ±283	24.0% ±7.6	13.5% ±0.3	12.6% ±<0.1
$100,000 to $149,999	866 ±243	23.4% ±6.5	18.9% ±0.3	17.5% ±<0.1
$150,000 to $199,999	233 ±89	6.3% ±2.4	9.1% ±0.2	9.6% ±<0.1
$200,000 or more	257 ±121	6.9% ±3.3	9.4% ±0.2	13.4% ±0.1

Poverty by age

The poverty rate is the share of people whose family income is below the federal threshold for their family’s size, of everyone for whom the Bureau determines it (B17020).

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Poverty rate in Colfax County by age, ACS 2020–2024
Age	Below poverty	Rate	Nebraska	United States
All ages	727 ±357	6.9% ±3.4	10.6% ±0.3	12.5% ±0.1
Under 18	60 to 240	1.9% to 7.4%	12.0% ±0.5	16.1% ±0.1
18 to 59	144 to 628	2.7% to 11.8%	10.6% ±0.3	11.6% ±0.1
60 and over	191 ±89	9.5% ±4.2	9.1% ±0.3	11.0% ±<0.1

A range (the estimate less and plus its margin) where the Bureau's estimate is too uncertain to state as one number: a coefficient of variation over 30%.

Housing, 2020–2024

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Housing in Colfax County, ACS 2020–2024
Measure	Colfax County	Nebraska	United States
Housing units	3,997 ±24	863,444 ±628	143,775,355 ±10,234
Occupied	92.7% ±1.8	92.4% ±0.3	89.9% ±0.1
Vacant	7.3% ±1.8	7.6% ±0.3	10.1% ±0.1
Owner occupied	76.3% ±6.2	66.5% ±0.5	65.2% ±0.3
Renter occupied	23.7% ±6.1	33.5% ±0.4	34.8% ±0.1
Median home value	$144,700 ±$28,249	$238,600 ±$1,365	$332,700 ±$236
Median gross rent	$980 ±$80	$1,072 ±$8	$1,413 ±$2
Median year built	1967 ±6	1975 ±1	1980 ±1

Occupied and vacant are shares of all housing units; owner and renter occupied are shares of occupied units. Value and rent are medians in 2024 dollars.

Origin and place of birth, 2020–2024

Hispanic or Latino origin is not a race in the Census Bureau’s tables. Here the people of Hispanic origin, of any race, are one row, and everyone else is counted by race alone (B03002), so the rows add to the whole.

Hispanic origin and race

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People in Colfax County by Hispanic origin and race, ACS 2020–2024
Origin	People	Share	Nebraska	United States
Hispanic or Latino	5,091 ±0	47.8% ±<0.1	12.7% ±<0.1	19.3% ±<0.1
White alone, not Hispanic	4,760 ±23	44.7% ±0.2	75.3% ±0.1	57.4% ±<0.1
Black alone, not Hispanic	170 to 568	1.6% to 5.3%	4.6% ±0.1	11.9% ±<0.1
Asian alone, not Hispanic	0 to 56	0% to 0.5%	2.6% ±0.1	5.9% ±<0.1
American Indian and Alaska Native alone, not Hispanic	67 to 385	0.6% to 3.6%	0.6% ±<0.1	0.5% ±<0.1
Native Hawaiian and Other Pacific Islander alone, not Hispanic	0 to 16	0% to 0.2%	< 0.1% ±<0.1	0.2% ±<0.1
Some other race alone, not Hispanic	0 to 16	0% to 0.2%	0.4% ±<0.1	0.6% ±<0.1
Two or more races, not Hispanic	53 to 295	0.5% to 2.8%	3.8% ±0.1	4.3% ±<0.1

A range (the estimate less and plus its margin) where the Bureau's estimate is too uncertain to state as one number: a coefficient of variation over 30%.

Place of birth and citizenship

“Born a citizen outside the states” counts people born in Puerto Rico, the island areas, or abroad to American parents. Naturalized citizens and those who are not citizens together make up the people born abroad (B05002).

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People in Colfax County by place of birth and citizenship, ACS 2020–2024
Born	People	Share	Nebraska	United States
Born in the state	6,011 ±371	56.5% ±3.5	64.1% ±0.3	57.3% ±<0.1
Born in another state	1,424 ±376	13.4% ±3.5	26.9% ±0.3	26.9% ±<0.1
Born a citizen outside the states	6 to 264	0.1% to 2.5%	1.0% ±0.1	1.7% ±<0.1
Born abroad	3,071 ±486	28.9% ±4.6	8.0% ±0.2	14.1% ±<0.1
Naturalized citizens	790 ±237	7.4% ±2.2	3.4% ±0.1	7.4% ±<0.1
Not citizens	2,281 ±476	21.4% ±4.5	4.6% ±0.2	6.8% ±<0.1

A range (the estimate less and plus its margin) where the Bureau's estimate is too uncertain to state as one number: a coefficient of variation over 30%.

Colfax County among the counties of Nebraska

22nd of 93 by population, July 2025. Every one is listed on the Nebraska page.

Counties of Nebraska near Colfax County in population, July 2025
County	July 2025	Change since 2020
Washington County	21,302	+1.8%
Seward County	18,032	+2.3%
Otoe County	16,531	+3.9%
Saline County	14,996	+1.9%
York County	14,564	+3.3%
Colfax County	10,934	+3.6%
Custer County	10,500	< +0.1%
Box Butte County	10,494	−3.0%
Red Willow County	10,307	−3.5%
Holt County	10,067	−0.3%
Wayne County	10,020	+3.2%

Elsewhere on the site

Sources

Census Bureau population estimates — counties and Puerto Rico municipios, with components of change — U.S. Census Bureau · U.S. Government work · retrieved September 25, 2026
American Community Survey 5-year estimates — table-based Summary File · U.S. Government work

Data retrieved September 25, 2026