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

Counties in Iowa by school enrolment, children aged 3 and 4, 2024

Greene County had the highest school enrolment, children aged 3 and 4 of 99 counties in 2024, at 75.2%. Lyon County had the lowest, at 17.3%. The median was 44.7% and the figure for Iowa was 43.4%. Source: the U.S. Census Bureau.

Keep it in a collection in your library.
Highest75.2Greene County
Lowest17.3Lyon County
Median44.799 counties
Iowa43.4History

Map of counties, 2024

Adair County: 45.3 %Adams County: 45.8 %Allamakee County: 33.7 %Appanoose County: 36.3 %Audubon County: 58 %Benton County: 57.2 %Black Hawk County: 42.2 %Boone County: 40.7 %Bremer County: 48.6 %Buchanan County: 45.8 %Buena Vista County: 54.3 %Butler County: 45.4 %Calhoun County: 47.7 %Carroll County: 48.7 %Cass County: 67.9 %Cedar County: 34 %Cerro Gordo County: 40.6 %Cherokee County: 61.8 %Chickasaw County: 48.5 %Clarke County: 36 %Clay County: 53.2 %Clayton County: 45.5 %Clinton County: 28 %Crawford County: 54.8 %Dallas County: 46.3 %Davis County: 39.5 %Decatur County: 24.6 %Delaware County: 29.3 %Des Moines County: 49.8 %Dickinson County: 35.9 %Dubuque County: 37 %Emmet County: 40.2 %Fayette County: 63.1 %Floyd County: 55.2 %Franklin County: 67.5 %Fremont County: 73.8 %Greene County: 75.2 %Grundy County: 71.1 %Guthrie County: 56.7 %Hamilton County: 57.3 %Hancock County: 22.9 %Hardin County: 40 %Harrison County: 47.9 %Henry County: 57.4 %Howard County: 42.8 %Humboldt County: 47.2 %Ida County: 34.5 %Iowa County: 55 %Jackson County: 67.6 %Jasper County: 46.5 %Jefferson County: 35 %Johnson County: 45.5 %Jones County: 37.4 %Keokuk County: 47.7 %Kossuth County: 41.3 %Lee County: 37.7 %Linn County: 47.7 %Louisa County: 39.6 %Lucas County: 50.8 %Lyon County: 17.3 %Madison County: 35 %Mahaska County: 39.5 %Marion County: 37.6 %Marshall County: 48.4 %Mills County: 43.5 %Mitchell County: 32.1 %Monona County: 48.6 %Monroe County: 30.3 %Montgomery County: 42.9 %Muscatine County: 44.7 %O'Brien County: 43.8 %Osceola County: 31.6 %Page County: 31.7 %Palo Alto County: 40.3 %Plymouth County: 40.9 %Pocahontas County: 50.3 %Polk County: 39.5 %Pottawattamie County: 42.6 %Poweshiek County: 33.8 %Ringgold County: 68.6 %Sac County: 38.7 %Scott County: 44.8 %Shelby County: 58.9 %Sioux County: 41.5 %Story County: 36.1 %Tama County: 56.8 %Taylor County: 29.8 %Union County: 74.1 %Van Buren County: 19.6 %Wapello County: 59.3 %Warren County: 38.4 %Washington County: 49.6 %Wayne County: 32.6 %Webster County: 36.8 %Winnebago County: 52.6 %Winneshiek County: 66.3 %Woodbury County: 36.3 %Worth County: 19 %Wright County: 52.3 %
  • Under 35
  • 35 to 40
  • 40 to 45
  • 45 to 49
  • 49 to 57
  • 57 and over
%, 2024. Source: Invokely calculation with data from U.S. Census Bureau. Boundaries: U.S. Census Bureau cartographic boundary files.

Top 40 counties, 2024

Greene County: 75.2 %Greene County75.2Union County: 74.1 %Union County74.1Fremont County: 73.8 %Fremont County73.8Grundy County: 71.1 %Grundy County71.1Ringgold County: 68.6 %Ringgold County68.6Cass County: 67.9 %Cass County67.9Jackson County: 67.6 %Jackson County67.6Franklin County: 67.5 %Franklin County67.5Winneshiek County: 66.3 %Winneshiek County66.3Fayette County: 63.1 %Fayette County63.1Cherokee County: 61.8 %Cherokee County61.8Wapello County: 59.3 %Wapello County59.3Shelby County: 58.9 %Shelby County58.9Audubon County: 58 %Audubon County58Henry County: 57.4 %Henry County57.4Hamilton County: 57.3 %Hamilton County57.3Benton County: 57.2 %Benton County57.2Tama County: 56.8 %Tama County56.8Guthrie County: 56.7 %Guthrie County56.7Floyd County: 55.2 %Floyd County55.2Iowa County: 55 %Iowa County55Crawford County: 54.8 %Crawford County54.8Buena Vista County: 54.3 %Buena Vista County54.3Clay County: 53.2 %Clay County53.2Winnebago County: 52.6 %Winnebago County52.6Wright County: 52.3 %Wright County52.3Lucas County: 50.8 %Lucas County50.8Pocahontas County: 50.3 %Pocahontas County50.3Des Moines County: 49.8 %Des Moines County49.8Washington County: 49.6 %Washington County49.6Carroll County: 48.7 %Carroll County48.7Bremer County: 48.6 %Bremer County48.6Monona County: 48.6 %Monona County48.6Chickasaw County: 48.5 %Chickasaw County48.5Marshall County: 48.4 %Marshall County48.4Harrison County: 47.9 %Harrison County47.9Keokuk County: 47.7 %Keokuk County47.7Calhoun County: 47.7 %Calhoun County47.7Linn County: 47.7 %Linn County47.7Humboldt County: 47.2 %Humboldt County47.2Greene County: 75.2 %Greene County75.2Union County: 74.1 %Union County74.1Fremont County: 73.8 %Fremont County73.8Grundy County: 71.1 %Grundy County71.1Ringgold County: 68.6 %Ringgold County68.6Cass County: 67.9 %Cass County67.9Jackson County: 67.6 %Jackson County67.6Franklin County: 67.5 %Franklin County67.5Winneshiek County: 66.3 %Winneshiek County66.3Fayette County: 63.1 %Fayette County63.1Cherokee County: 61.8 %Cherokee County61.8Wapello County: 59.3 %Wapello County59.3Shelby County: 58.9 %Shelby County58.9Audubon County: 58 %Audubon County58Henry County: 57.4 %Henry County57.4Hamilton County: 57.3 %Hamilton County57.3Benton County: 57.2 %Benton County57.2Tama County: 56.8 %Tama County56.8Guthrie County: 56.7 %Guthrie County56.7Floyd County: 55.2 %Floyd County55.2Iowa County: 55 %Iowa County55Crawford County: 54.8 %Crawford County54.8Buena Vista County: 54.3 %Buena Vista County54.3Clay County: 53.2 %Clay County53.2Winnebago County: 52.6 %Winnebago County52.6Wright County: 52.3 %Wright County52.3Lucas County: 50.8 %Lucas County50.8Pocahontas County: 50.3 %Pocahontas County50.3Des Moines County: 49.8 %Des Moines County49.8Washington County: 49.6 %Washington County49.6Carroll County: 48.7 %Carroll County48.7Bremer County: 48.6 %Bremer County48.6Monona County: 48.6 %Monona County48.6Chickasaw County: 48.5 %Chickasaw County48.5Marshall County: 48.4 %Marshall County48.4Harrison County: 47.9 %Harrison County47.9Keokuk County: 47.7 %Keokuk County47.7Calhoun County: 47.7 %Calhoun County47.7Linn County: 47.7 %Linn County47.7Humboldt County: 47.2 %Humboldt County47.2
%. Source: Invokely calculation with data from U.S. Census Bureau. Retrieved 2026-10-12.

Full ranking

RankCounties2024 (%)Change on 2023
1Greene County75.2+6.1 pts
2Union County74.1+5.3 pts
3Fremont County73.8+1.5 pts
4Grundy County71.1+2.9 pts
5Ringgold County68.6+2.8 pts
6Cass County67.9-5.1 pts
7Jackson County67.6+4.8 pts
8Franklin County67.5+5.8 pts
9Winneshiek County66.3-5.3 pts
10Fayette County63.1+17 pts
11Cherokee County61.8+6.9 pts
12Wapello County59.3+18.3 pts
13Shelby County58.9+3.3 pts
14Audubon County58+21.1 pts
15Henry County57.4-3.3 pts
16Hamilton County57.3+5.7 pts
17Benton County57.2+6.5 pts
18Tama County56.8+10 pts
19Guthrie County56.7-0.6 pts
20Floyd County55.2-2.4 pts
21Iowa County55+1.3 pts
22Crawford County54.8+5.6 pts
23Buena Vista County54.3+5.2 pts
24Clay County53.2+6.6 pts
25Winnebago County52.6+3.1 pts
26Wright County52.3+11.6 pts
27Lucas County50.8-0.8 pts
28Pocahontas County50.3-9.8 pts
29Des Moines County49.8+10.1 pts
30Washington County49.6+11.9 pts
31Carroll County48.7+10.1 pts
32Bremer County48.6-7.1 pts
33Monona County48.6-4.6 pts
34Chickasaw County48.5+0.1 pts
35Marshall County48.4+7.9 pts
36Harrison County47.9-5.3 pts
37Keokuk County47.7-11.6 pts
38Calhoun County47.7+13.5 pts
38Linn County47.7-0.8 pts
40Humboldt County47.2-3.9 pts
41Jasper County46.5+5.4 pts
42Dallas County46.3-0.4 pts
43Adams County45.8+3.3 pts
44Buchanan County45.8+6 pts
45Johnson County45.5-3 pts
46Clayton County45.5-2.1 pts
47Butler County45.4+15.7 pts
48Adair County45.3+3.5 pts
49Scott County44.8-0.9 pts
50Muscatine County44.7-7.8 pts
51O'Brien County43.8+3.5 pts
52Mills County43.5-15.8 pts
53Montgomery County42.9-1.5 pts
54Howard County42.8-1.1 pts
55Pottawattamie County42.6+6.6 pts
56Black Hawk County42.2-0.8 pts
57Sioux County41.5-3.6 pts
58Kossuth County41.3-7.9 pts
59Plymouth County40.9-8.8 pts
60Boone County40.7+0.6 pts
61Cerro Gordo County40.6+0.6 pts
62Palo Alto County40.3-4.2 pts
63Emmet County40.2-1.4 pts
64Hardin County40+7.1 pts
65Louisa County39.6+6.8 pts
66Polk County39.5-0.6 pts
67Mahaska County39.5-3.2 pts
68Davis County39.5+4.6 pts
69Sac County38.7-0.2 pts
70Warren County38.4-6.1 pts
71Lee County37.7+1.8 pts
72Marion County37.6+4.7 pts
73Jones County37.4-3.9 pts
74Dubuque County37-1.8 pts
75Webster County36.8+3.9 pts
76Appanoose County36.3+3.6 pts
77Woodbury County36.3-1.9 pts
78Story County36.1-0.5 pts
79Clarke County36-2.4 pts
80Dickinson County35.9-2 pts
81Jefferson County35+2.5 pts
82Madison County35+0.1 pts
83Ida County34.5+3.9 pts
84Cedar County34+1.6 pts
85Poweshiek County33.8+3.1 pts
86Allamakee County33.7+3.8 pts
87Wayne County32.6-2.1 pts
88Mitchell County32.1-1.7 pts
89Page County31.7-12 pts
90Osceola County31.6-0.1 pts
91Monroe County30.3+14.1 pts
92Taylor County29.8-16.5 pts
93Delaware County29.3-3.6 pts
94Clinton County28+5.4 pts
95Decatur County24.6+1.6 pts
96Hancock County22.9-2.4 pts
97Van Buren County19.6-3.2 pts
98Worth County19-13.9 pts
99Lyon County17.3-5.7 pts

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/2024/table-based-SF/data/5YRData/acsdt5y2024-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 Iowa by school enrolment, children aged 3 and 4, 2024) [Data set]. Retrieved October 12, 2026, from https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-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 Iowa by school enrolment, children aged 3 and 4, 2024. U.S. Census Bureau, 29 Jan. 2026, https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b14003.dat. Invokely, https://invokely.ai/rankings/preschool-enrollment-ages-3-4/iowa-counties. 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 Iowa by school enrolment, children aged 3 and 4, 2024. Dataset. Accessed October 12, 2026. https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b14003.dat. Also distributed by Invokely, https://invokely.ai/rankings/preschool-enrollment-ages-3-4/iowa-counties.

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 Iowa by school enrolment, children aged 3 and 4, 2024 [Dataset]. Available at: https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b14003.dat, via Invokely: https://invokely.ai/rankings/preschool-enrollment-ages-3-4/iowa-counties (Accessed: 12 October 2026).

BibTeX
@misc{census_counties_in_iowa_by_2024,
  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 Iowa by school enrolment, children aged 3 and 4, 2024}},
  year = {2026},
  howpublished = {Data set},
  url = {https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b14003.dat},
  urldate = {2026-10-12},
  note = {Accessed via Invokely, https://invokely.ai/rankings/preschool-enrollment-ages-3-4/iowa-counties. 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/2024/table-based-SF/data/5YRData/acsdt5y2024-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 Iowa by school enrolment, children aged 3 and 4, 2024
PY  - 2026
DA  - 2026/01/29
PB  - U.S. Census Bureau
DB  - Invokely
UR  - https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b14003.dat
L2  - https://invokely.ai/rankings/preschool-enrollment-ages-3-4/iowa-counties
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/rankings/preschool-enrollment-ages-3-4/iowa-counties.
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/2024/table-based-SF/data/5YRData/acsdt5y2024-b14003.dat. Retrieved 2026-10-12.
ER  -
Embed this chart

Paste this code into a web page or a blog post. The chart shows the latest figures as they are published, with the source and a link back to this page.

Sites that read oEmbed links, such as WordPress, can show the chart when you paste the link to this page.

Use this data in your AI agent

Invokely serves this figure to AI assistants through MCP and to code through a REST API, with the source and citation attached. Ask your assistant:

Rank Counties in Iowa 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":"Iowa","limit":10}
GET https://invokely.ai/api/v1/rank?indicator=preschool_enrolment_rate_3_4&level=province&within=Iowa&limit=10

Connect Claude, ChatGPT or Cursor in one step. The trial answers 25 calls a day without an account.

Questions

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

Greene County, with 75.2% in 2024, according to the U.S. Census Bureau.

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

Lyon County, with 17.3% in 2024.

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 Iowa: more rankings