Data / Rankings / School enrolment, children aged 3 and 4 / Counties in Idaho

Counties in Idaho by school enrolment, children aged 3 and 4

Valley County had the highest school enrolment, children aged 3 and 4 of 44 counties in 2021, at 82.3%. Camas County had the lowest, at 0%. The median was 33.2% and the figure for Idaho was 34.7%. Source: the U.S. Census Bureau.

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Highest82.3Valley County
Lowest0Camas County
Median33.244 counties
Idaho34.7History

Map of counties, 2021

Ada County: 38.2 %Adams County: 52.5 %Bannock County: 23.6 %Bear Lake County: 33.3 %Benewah County: 21.6 %Bingham County: 24.2 %Blaine County: 70.3 %Boise County: 36.1 %Bonner County: 26.8 %Bonneville County: 32.5 %Boundary County: 22 %Butte County: 13 %Camas County: 0 %Canyon County: 30.4 %Caribou County: 23.2 %Cassia County: 23.2 %Clark County: 9.7 %Clearwater County: 26.7 %Custer County: 41 %Elmore County: 24.6 %Franklin County: 39.1 %Fremont County: 17.9 %Gem County: 27.1 %Gooding County: 38.5 %Idaho County: 57 %Jefferson County: 36.1 %Jerome County: 38.2 %Kootenai County: 45 %Latah County: 40.7 %Lemhi County: 43.6 %Lewis County: 41.9 %Lincoln County: 33.1 %Madison County: 36.2 %Minidoka County: 28 %Nez Perce County: 43.8 %Oneida County: 37.1 %Owyhee County: 19.9 %Payette County: 31.8 %Power County: 52.5 %Shoshone County: 24.6 %Teton County: 22 %Twin Falls County: 34.7 %Valley County: 82.3 %Washington County: 45.2 %
  • Under 22
  • 22 to 27
  • 27 to 33
  • 33 to 38
  • 38 to 44
  • 44 and over
%, 2021. Source: Invokely calculation with data from U.S. Census Bureau. Boundaries: U.S. Census Bureau cartographic boundary files.

All counties, 2021

Valley County: 82.3 %Valley County82.3Blaine County: 70.3 %Blaine County70.3Idaho County: 57 %Idaho County57Power County: 52.5 %Power County52.5Adams County: 52.5 %Adams County52.5Washington County: 45.2 %Washington County45.2Kootenai County: 45 %Kootenai County45Nez Perce County: 43.8 %Nez Perce County43.8Lemhi County: 43.6 %Lemhi County43.6Lewis County: 41.9 %Lewis County41.9Custer County: 41 %Custer County41Latah County: 40.7 %Latah County40.7Franklin County: 39.1 %Franklin County39.1Gooding County: 38.5 %Gooding County38.5Jerome County: 38.2 %Jerome County38.2Ada County: 38.2 %Ada County38.2Oneida County: 37.1 %Oneida County37.1Madison County: 36.2 %Madison County36.2Jefferson County: 36.1 %Jefferson County36.1Boise County: 36.1 %Boise County36.1Twin Falls County: 34.7 %Twin Falls County34.7Bear Lake County: 33.3 %Bear Lake County33.3Lincoln County: 33.1 %Lincoln County33.1Bonneville County: 32.5 %Bonneville County32.5Payette County: 31.8 %Payette County31.8Canyon County: 30.4 %Canyon County30.4Minidoka County: 28 %Minidoka County28Gem County: 27.1 %Gem County27.1Bonner County: 26.8 %Bonner County26.8Clearwater County: 26.7 %Clearwater County26.7Elmore County: 24.6 %Elmore County24.6Shoshone County: 24.6 %Shoshone County24.6Bingham County: 24.2 %Bingham County24.2Bannock County: 23.6 %Bannock County23.6Cassia County: 23.2 %Cassia County23.2Caribou County: 23.2 %Caribou County23.2Boundary County: 22 %Boundary County22Teton County: 22 %Teton County22Benewah County: 21.6 %Benewah County21.6Owyhee County: 19.9 %Owyhee County19.9Fremont County: 17.9 %Fremont County17.9Butte County: 13 %Butte County13Clark County: 9.7 %Clark County9.7Camas County: 0 %Camas County0Valley County: 82.3 %Valley County82.3Blaine County: 70.3 %Blaine County70.3Idaho County: 57 %Idaho County57Power County: 52.5 %Power County52.5Adams County: 52.5 %Adams County52.5Washington County: 45.2 %Washington County45.2Kootenai County: 45 %Kootenai County45Nez Perce County: 43.8 %Nez Perce County43.8Lemhi County: 43.6 %Lemhi County43.6Lewis County: 41.9 %Lewis County41.9Custer County: 41 %Custer County41Latah County: 40.7 %Latah County40.7Franklin County: 39.1 %Franklin County39.1Gooding County: 38.5 %Gooding County38.5Jerome County: 38.2 %Jerome County38.2Ada County: 38.2 %Ada County38.2Oneida County: 37.1 %Oneida County37.1Madison County: 36.2 %Madison County36.2Jefferson County: 36.1 %Jefferson County36.1Boise County: 36.1 %Boise County36.1Twin Falls County: 34.7 %Twin Falls County34.7Bear Lake County: 33.3 %Bear Lake County33.3Lincoln County: 33.1 %Lincoln County33.1Bonneville County: 32.5 %Bonneville County32.5Payette County: 31.8 %Payette County31.8Canyon County: 30.4 %Canyon County30.4Minidoka County: 28 %Minidoka County28Gem County: 27.1 %Gem County27.1Bonner County: 26.8 %Bonner County26.8Clearwater County: 26.7 %Clearwater County26.7Elmore County: 24.6 %Elmore County24.6Shoshone County: 24.6 %Shoshone County24.6Bingham County: 24.2 %Bingham County24.2Bannock County: 23.6 %Bannock County23.6Cassia County: 23.2 %Cassia County23.2Caribou County: 23.2 %Caribou County23.2Boundary County: 22 %Boundary County22Teton County: 22 %Teton County22Benewah County: 21.6 %Benewah County21.6Owyhee County: 19.9 %Owyhee County19.9Fremont County: 17.9 %Fremont County17.9Butte County: 13 %Butte County13Clark County: 9.7 %Clark County9.7Camas County: 0 %Camas County0
%. Source: Invokely calculation with data from U.S. Census Bureau. Retrieved 2026-10-12.

Full ranking

RankCounties2021 (%)
1Valley County82.3
2Blaine County70.3
3Idaho County57
4Power County52.5
5Adams County52.5
6Washington County45.2
7Kootenai County45
8Nez Perce County43.8
9Lemhi County43.6
10Lewis County41.9
11Custer County41
12Latah County40.7
13Franklin County39.1
14Gooding County38.5
15Jerome County38.2
16Ada County38.2
17Oneida County37.1
18Madison County36.2
19Jefferson County36.1
20Boise County36.1
21Twin Falls County34.7
22Bear Lake County33.3
23Lincoln County33.1
24Bonneville County32.5
25Payette County31.8
26Canyon County30.4
27Minidoka County28
28Gem County27.1
29Bonner County26.8
30Clearwater County26.7
31Elmore County24.6
32Shoshone County24.6
33Bingham County24.2
34Bannock County23.6
35Cassia County23.2
36Caribou County23.2
37Boundary County22
38Teton County22
39Benewah County21.6
40Owyhee County19.9
41Fremont County17.9
42Butte County13
43Clark County9.7
44Camas County0

Other periods

About this ranking

Children aged 3 and 4 enrolled in public or private school, including nursery school and preschool, at any time in the three months before the interview, as a percentage of all children aged 3 and 4. United States: American Community Survey five-year estimate, where the period shown is the last year of the five-year span.

Reported by households, so it includes private nursery schools. Small counties have only a few dozen children in the sample, and their rates can swing widely between periods.

Every value in the ranking comes from the same publisher and the same period, so the counties are compared on one definition. Equal values share a rank.

How to cite

U.S. Census Bureau. American Community Survey 5-year estimates, table B14003: children aged 3 and 4 enrolled in public or private school as a percentage of all children aged 3 and 4, calculated with stored inputs. https://www2.census.gov/programs-surveys/acs/summary_file/2021/table-based-SF/data/5YRData/acsdt5y2021-b14003.dat. Retrieved 2026-10-12.

Citation styles

The publisher is the author. Invokely is named only as the place the figures were read, where a style asks for it.

APA 7

U.S. Census Bureau. (2026). American Community Survey 5-year estimates, table B14003: children aged 3 and 4 enrolled in public or private school as a percentage of all children aged 3 and 4, calculated with stored inputs (Counties in Idaho by school enrolment, children aged 3 and 4, 2021) [Data set]. Retrieved October 12, 2026, from https://www2.census.gov/programs-surveys/acs/summary_file/2021/table-based-SF/data/5YRData/acsdt5y2021-b14003.dat

MLA 9

American Community Survey 5-year estimates, table B14003: children aged 3 and 4 enrolled in public or private school as a percentage of all children aged 3 and 4, calculated with stored inputs, Counties in Idaho by school enrolment, children aged 3 and 4, 2021. U.S. Census Bureau, 29 Jan. 2026, https://www2.census.gov/programs-surveys/acs/summary_file/2021/table-based-SF/data/5YRData/acsdt5y2021-b14003.dat. Invokely, https://invokely.ai/rankings/preschool-enrollment-ages-3-4/idaho-counties?period=2021. Accessed 12 Oct. 2026.

Chicago (author-date)

U.S. Census Bureau. 2026. American Community Survey 5-year estimates, table B14003: children aged 3 and 4 enrolled in public or private school as a percentage of all children aged 3 and 4, calculated with stored inputs. Counties in Idaho by school enrolment, children aged 3 and 4, 2021. Dataset. Accessed October 12, 2026. https://www2.census.gov/programs-surveys/acs/summary_file/2021/table-based-SF/data/5YRData/acsdt5y2021-b14003.dat. Also distributed by Invokely, https://invokely.ai/rankings/preschool-enrollment-ages-3-4/idaho-counties?period=2021.

Harvard

U.S. Census Bureau (2026) American Community Survey 5-year estimates, table B14003: children aged 3 and 4 enrolled in public or private school as a percentage of all children aged 3 and 4, calculated with stored inputs, Counties in Idaho by school enrolment, children aged 3 and 4, 2021 [Dataset]. Available at: https://www2.census.gov/programs-surveys/acs/summary_file/2021/table-based-SF/data/5YRData/acsdt5y2021-b14003.dat, via Invokely: https://invokely.ai/rankings/preschool-enrollment-ages-3-4/idaho-counties?period=2021 (Accessed: 12 October 2026).

BibTeX
@misc{census_counties_in_idaho_by_2021,
  author = {{U.S. Census Bureau}},
  title = {{American Community Survey 5-year estimates, table B14003: children aged 3 and 4 enrolled in public or private school as a percentage of all children aged 3 and 4, calculated with stored inputs: Counties in Idaho by school enrolment, children aged 3 and 4, 2021}},
  year = {2026},
  howpublished = {Data set},
  url = {https://www2.census.gov/programs-surveys/acs/summary_file/2021/table-based-SF/data/5YRData/acsdt5y2021-b14003.dat},
  urldate = {2026-10-12},
  note = {Accessed via Invokely, https://invokely.ai/rankings/preschool-enrollment-ages-3-4/idaho-counties?period=2021. Publisher attribution: U.S. Census Bureau. American Community Survey 5-year estimates, table B14003: children aged 3 and 4 enrolled in public or private school as a percentage of all children aged 3 and 4, calculated with stored inputs. https://www2.census.gov/programs-surveys/acs/summary\_file/2021/table-based-SF/data/5YRData/acsdt5y2021-b14003.dat. Retrieved 2026-10-12.},
}
RIS
TY  - DATA
AU  - U.S. Census Bureau
TI  - American Community Survey 5-year estimates, table B14003: children aged 3 and 4 enrolled in public or private school as a percentage of all children aged 3 and 4, calculated with stored inputs: Counties in Idaho by school enrolment, children aged 3 and 4, 2021
PY  - 2026
DA  - 2026/01/29
PB  - U.S. Census Bureau
DB  - Invokely
UR  - https://www2.census.gov/programs-surveys/acs/summary_file/2021/table-based-SF/data/5YRData/acsdt5y2021-b14003.dat
L2  - https://invokely.ai/rankings/preschool-enrollment-ages-3-4/idaho-counties?period=2021
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/rankings/preschool-enrollment-ages-3-4/idaho-counties?period=2021.
N1  - Publisher attribution: U.S. Census Bureau. American Community Survey 5-year estimates, table B14003: children aged 3 and 4 enrolled in public or private school as a percentage of all children aged 3 and 4, calculated with stored inputs. https://www2.census.gov/programs-surveys/acs/summary_file/2021/table-based-SF/data/5YRData/acsdt5y2021-b14003.dat. Retrieved 2026-10-12.
ER  -
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Rank Counties in Idaho by school enrolment, children aged 3 and 4 using official data, and cite the source.
rank_places {"indicator":"preschool_enrolment_rate_3_4","level":"province","within":"Idaho","limit":10}
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Questions

Which county has the highest school enrolment, children aged 3 and 4?

Valley County, with 82.3% in 2021, according to the U.S. Census Bureau.

Which county has the lowest school enrolment, children aged 3 and 4?

Camas County, with 0% in 2021.

Where does this ranking come from?

Every value comes from one source and one period, so the places are comparable: U.S. Census Bureau, American Community Survey 5-year estimates, table B14003: children aged 3 and 4 enrolled in public or private school as a percentage of all children aged 3 and 4, calculated with stored inputs. Retrieved 2026-10-12.

School enrolment, children aged 3 and 4: other rankings

Counties in Idaho: more rankings