Demographics of Valley County, Idaho

Valley County, Idaho had 12,831 people on July 1, 2025, by the Census Bureau’s estimate: +990 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.

Valley County, in four figures

12,831
Population: July 1, 2025, Vintage 2025 estimate.; +8.4%
Change since July 2020: +990 people.; 46.9 ±3.4
Median age: ACS 2020–⁠2024.; $76,078 ±$7,816
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.

Valley County, Idaho's population grew 8.4% from July 2020 to July 2025, against +3.1% nationally

The July 1 estimate of Valley County, Idaho'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

Valley County, Idaho's population grew 8.4% from July 2020 to July 2025, against +3.1% nationally. The July 1 estimate of Valley County, Idaho'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	11,841	100.0	100.0
2021	12,252	103.5	100.2
2022	12,432	105.0	100.7
2023	12,658	106.9	101.6
2024	12,817	108.2	102.5
2025	12,831	108.4	103.1

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Population of Valley County, Idaho on July 1 of each year, Vintage 2025
July 1	Population	Change	Births less deaths	From abroad	From elsewhere in the country
2020	11,841	+98	+5	0	+105
2021	12,252	+411	−14	−2	+456
2022	12,432	+180	−38	+5	+202
2023	12,658	+226	+16	+8	+202
2024	12,817	+159	+9	+7	+140
2025	12,831	+14	+12	−5	+6

Age, 2020–2024

The median age is 46.9 ±3.4: for men 46.6 ±6.7 and for women 47.0 ±3.6. Shares are of everyone the survey counts, in the Bureau’s sex-by-age table (B01001).

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People in Valley County by age, ACS 2020–2024
Age	People	Share	Idaho	United States
Under 5	615 ±186	5.0% ±1.5	5.9% ±<0.1	5.6% ±<0.1
5 to 17	1,711 ±277	13.8% ±2.2	18.2% ±0.2	16.3% ±<0.1
18 to 24	600 ±211	4.8% ±1.7	9.8% ±0.1	9.1% ±<0.1
25 to 44	3,076 ±487	24.8% ±3.9	26.1% ±0.2	26.9% ±<0.1
45 to 64	3,038 ±417	24.5% ±3.4	23.0% ±0.2	24.8% ±<0.1
65 and over	3,349 ±414	27.0% ±3.3	17.0% ±0.2	17.2% ±<0.1

Income and poverty, 2020–2024

Median household income is $76,078 ±$7,816, and income per person $42,367 ±$8,386, in 2024 dollars. The median is $77,800 ±$743 in Idaho and $80,734 ±$166 in the United States.

Households by income

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Households in Valley County by income, ACS 2020–2024
Household income	Households	Share	Idaho	United States
Under $25,000	661 ±244	15.3% ±5.5	12.5% ±0.3	14.6% ±<0.1
$25,000 to $49,999	549 ±221	12.7% ±5.0	17.6% ±0.4	16.7% ±<0.1
$50,000 to $74,999	927 ±295	21.5% ±6.6	18.1% ±0.4	15.5% ±<0.1
$75,000 to $99,999	541 ±210	12.5% ±4.7	14.7% ±0.4	12.6% ±<0.1
$100,000 to $149,999	798 ±247	18.5% ±5.5	19.3% ±0.4	17.5% ±<0.1
$150,000 to $199,999	418 ±136	9.7% ±3.0	8.7% ±0.3	9.6% ±<0.1
$200,000 or more	424 ±171	9.8% ±3.9	9.2% ±0.3	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 Valley County by age, ACS 2020–2024
Age	Below poverty	Rate	Idaho	United States
All ages	1,433 ±606	11.7% ±4.9	10.6% ±0.3	12.5% ±0.1
Under 18	16 to 356	0.8% to 15.3%	12.4% ±0.5	16.1% ±0.1
18 to 59	295 to 899	5.5% to 16.3%	10.4% ±0.3	11.6% ±0.1
60 and over	279 to 1,021	6.5% to 22.7%	9.1% ±0.4	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 Valley County, ACS 2020–2024
Measure	Valley County	Idaho	United States
Housing units	12,878 ±32	795,014 ±223	143,775,355 ±10,234
Occupied	33.5% ±3.1	89.7% ±0.3	89.9% ±0.1
Vacant	66.5% ±3.1	10.3% ±0.3	10.1% ±0.1
Owner occupied	81.9% ±5.7	72.1% ±0.4	65.2% ±0.3
Renter occupied	18.1% ±4.9	27.9% ±0.4	34.8% ±0.1
Median home value	$657,000 ±$63,503	$418,600 ±$2,550	$332,700 ±$236
Median gross rent	$1,117 ±$110	$1,238 ±$16	$1,413 ±$2
Median year built	1992 ±3	1991 ±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 Valley County by Hispanic origin and race, ACS 2020–2024
Origin	People	Share	Idaho	United States
Hispanic or Latino	670 ±0	5.4% ±<0.1	13.6% ±<0.1	19.3% ±<0.1
White alone, not Hispanic	11,167 ±128	90.1% ±1.0	78.6% ±0.1	57.4% ±<0.1
Black alone, not Hispanic	0 to 19	0% to 0.2%	0.7% ±<0.1	11.9% ±<0.1
Asian alone, not Hispanic	0 to 52	0% to 0.4%	1.3% ±<0.1	5.9% ±<0.1
American Indian and Alaska Native alone, not Hispanic	0 to 21	0% to 0.2%	0.7% ±<0.1	0.5% ±<0.1
Native Hawaiian and Other Pacific Islander alone, not Hispanic	0 to 40	0% to 0.3%	0.1% ±<0.1	0.2% ±<0.1
Some other race alone, not Hispanic	0 to 228	0% to 1.8%	0.6% ±0.1	0.6% ±<0.1
Two or more races, not Hispanic	388 ±66	3.1% ±0.5	4.2% ±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 Valley County by place of birth and citizenship, ACS 2020–2024
Born	People	Share	Idaho	United States
Born in the state	5,416 ±726	43.7% ±5.9	43.9% ±0.3	57.3% ±<0.1
Born in another state	6,619 ±689	53.4% ±5.6	49.1% ±0.3	26.9% ±<0.1
Born a citizen outside the states	27 to 339	0.2% to 2.7%	1.0% ±0.1	1.7% ±<0.1
Born abroad	56 to 286	0.5% to 2.3%	5.9% ±0.2	14.1% ±<0.1
Naturalized citizens	23 to 133	0.2% to 1.1%	2.7% ±0.1	7.4% ±<0.1
Not citizens	0 to 199	0% to 1.6%	3.2% ±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%.

Valley County among the counties of Idaho

27th of 44 by population, July 2025. Every one is listed on the Idaho page.

Counties of Idaho near Valley County in population, July 2025
County	July 2025	Change since 2020
Franklin County	15,889	+11.2%
Fremont County	14,208	+5.9%
Shoshone County	14,130	+7.1%
Boundary County	13,997	+15.3%
Teton County	13,254	+12.9%
Valley County	12,831	+8.4%
Owyhee County	12,661	+5.6%
Washington County	11,583	+9.7%
Benewah County	10,508	+9.7%
Clearwater County	9,118	+4.1%
Boise County	8,545	+11.5%

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