Data / Natural change, July to June / Polk County

Natural change, July to June in Polk County

Natural change, July to June in Polk County was 2,182 in 2025, according to the U.S. Census Bureau. That is down 0.6% from 2024. That is the 1st highest of 99 counties in 2025.

2025, persons2,182 Estimated
Change on 2024-0.6%
Rank1st of 99Counties in Iowa ranked
Series high3,6622014
Series low1,8752022

Next release: Friday, 26 March 2027, estimated by Invokely from past publication dates (low confidence), not announced by the publisher. Release calendar

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Natural change, July to June in Polk County, 2011 to 2025

1,5002,0002,5003,0003,5004,000201120142017202020252011: 3,374 persons2012: 3,563 persons2013: 3,471 persons2014: 3,662 persons2015: 3,440 persons2016: 3,616 persons2017: 3,252 persons2018: 3,130 persons2019: 3,035 persons2020: 2,558 persons2021: 2,019 persons2022: 1,875 persons2023: 2,121 persons2024: 2,196 persons2025: 2,182 persons1,5002,0002,5003,0003,5004,00020112016202120252011: 3,374 persons2012: 3,563 persons2013: 3,471 persons2014: 3,662 persons2015: 3,440 persons2016: 3,616 persons2017: 3,252 persons2018: 3,130 persons2019: 3,035 persons2020: 2,558 persons2021: 2,019 persons2022: 1,875 persons2023: 2,121 persons2024: 2,196 persons2025: 2,182 persons
persons. Source: U.S. Census Bureau, Population Estimates Program: natural change (births minus deaths), July 1 of the previous year to June 30 of the reported year; vintage 2020 files for 2011 to 2020 and the latest 2020s vintage from 2021. Retrieved 2026-10-12, published 2026-03-26.
All 15 values
Periodpersons
20252,182 Estimated
20242,196 Estimated
20232,121 Estimated
20221,875 Estimated
20212,019 Estimated
20202,558 Estimated
20193,035 Estimated
20183,130 Estimated
20173,252 Estimated
20163,616 Estimated
20153,440 Estimated
20143,662 Estimated
20133,471 Estimated
20123,563 Estimated
20113,374 Estimated

Compared with Iowa and United States

Place2025
Polk County2,182
Iowa2,949
United States518,858

Polk County compared with nearby places

Adair County: -18 personsAdams County: -12 personsAllamakee County: -8 personsAppanoose County: -60 personsAudubon County: -27 personsBenton County: 31 personsBlack Hawk County: 195 personsBoone County: -74 personsBremer County: -9 personsBuchanan County: 42 personsBuena Vista County: 111 personsButler County: -52 personsCalhoun County: -72 personsCarroll County: -17 personsCass County: -91 personsCedar County: -23 personsCerro Gordo County: -139 personsCherokee County: -93 personsChickasaw County: -31 personsClarke County: 8 personsClay County: -61 personsClayton County: -43 personsClinton County: -115 personsCrawford County: 45 personsDallas County: 751 personsDavis County: 75 personsDecatur County: -1 personsDelaware County: -11 personsDes Moines County: -156 personsDickinson County: -104 personsDubuque County: 79 personsEmmet County: -23 personsFayette County: -33 personsFloyd County: -36 personsFranklin County: -30 personsFremont County: -23 personsGreene County: -40 personsGrundy County: -11 personsGuthrie County: -38 personsHamilton County: 23 personsHancock County: -11 personsHardin County: -73 personsHarrison County: -41 personsHenry County: -69 personsHoward County: 16 personsHumboldt County: -8 personsIda County: -32 personsIowa County: -3 personsJackson County: -32 personsJasper County: 55 personsJefferson County: -52 personsJohnson County: 826 personsJones County: -5 personsKeokuk County: -39 personsKossuth County: -16 personsLee County: -130 personsLinn County: 433 personsLouisa County: -18 personsLucas County: -2 personsLyon County: 3 personsMadison County: 2 personsMahaska County: -24 personsMarion County: -50 personsMarshall County: -28 personsMills County: -14 personsMitchell County: -28 personsMonona County: -14 personsMonroe County: -43 personsMontgomery County: -77 personsMuscatine County: -19 personsO'Brien County: -21 personsOsceola County: -19 personsPage County: -95 personsPalo Alto County: -16 personsPlymouth County: -3 personsPocahontas County: -33 personsPolk County: 2,182 personsPottawattamie County: -240 personsPoweshiek County: -55 personsRinggold County: -17 personsSac County: -5 personsScott County: 141 personsShelby County: -48 personsSioux County: 191 personsStory County: 169 personsTama County: 14 personsTaylor County: -12 personsUnion County: -59 personsVan Buren County: -5 personsWapello County: 18 personsWarren County: 104 personsWashington County: 22 personsWayne County: 19 personsWebster County: -30 personsWinnebago County: -66 personsWinneshiek County: -9 personsWoodbury County: 382 personsWorth County: -5 personsWright County: 29 persons
  • Under -40
  • -40 to -20
  • -20 to 0
  • 0 to 30
  • 30 to 120
  • 120 and over
Natural change, July to June, 2025, persons. Polk County is outlined. Same source and period for every area shown. Source: U.S. Census Bureau. Boundaries: U.S. Census Bureau cartographic boundary files.

Rankings

Definition

Estimated births minus deaths of residents from July 1 of the previous year through June 30 of the reported year. A negative value means more deaths than births.

Equals births_july_june minus deaths_july_june for the same place and year. Not a calendar-year figure.

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How to cite

U.S. Census Bureau. Population Estimates Program: natural change (births minus deaths), July 1 of the previous year to June 30 of the reported year; vintage 2020 files for 2011 to 2020 and the latest 2020s vintage from 2021. https://www.census.gov/programs-surveys/popest/data/data-sets.html. 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). Population Estimates Program: natural change (births minus deaths), July 1 of the previous year to June 30 of the reported year; vintage 2020 files for 2011 to 2020 and the latest 2020s vintage from 2021 (Natural change, July to June, Polk County, 2011 to 2025) [Data set]. Retrieved October 12, 2026, from https://www.census.gov/programs-surveys/popest/data/data-sets.html

MLA 9

Population Estimates Program: natural change (births minus deaths), July 1 of the previous year to June 30 of the reported year; vintage 2020 files for 2011 to 2020 and the latest 2020s vintage from 2021, Natural change, July to June, Polk County, 2011 to 2025. U.S. Census Bureau, 26 Mar. 2026, https://www.census.gov/programs-surveys/popest/data/data-sets.html. Invokely, https://invokely.ai/en/natural-change-july-june/polk-county-iowa. Accessed 12 Oct. 2026.

Chicago (author-date)

U.S. Census Bureau. 2026. Population Estimates Program: natural change (births minus deaths), July 1 of the previous year to June 30 of the reported year; vintage 2020 files for 2011 to 2020 and the latest 2020s vintage from 2021. Natural change, July to June, Polk County, 2011 to 2025. Dataset. Accessed October 12, 2026. https://www.census.gov/programs-surveys/popest/data/data-sets.html. Also distributed by Invokely, https://invokely.ai/en/natural-change-july-june/polk-county-iowa.

Harvard

U.S. Census Bureau (2026) Population Estimates Program: natural change (births minus deaths), July 1 of the previous year to June 30 of the reported year; vintage 2020 files for 2011 to 2020 and the latest 2020s vintage from 2021, Natural change, July to June, Polk County, 2011 to 2025 [Dataset]. Available at: https://www.census.gov/programs-surveys/popest/data/data-sets.html, via Invokely: https://invokely.ai/en/natural-change-july-june/polk-county-iowa (Accessed: 12 October 2026).

BibTeX
@misc{census_natural_change_july_to_2025,
  author = {{U.S. Census Bureau}},
  title = {{Population Estimates Program: natural change (births minus deaths), July 1 of the previous year to June 30 of the reported year; vintage 2020 files for 2011 to 2020 and the latest 2020s vintage from 2021: Natural change, July to June, Polk County, 2011 to 2025}},
  year = {2026},
  howpublished = {Data set},
  url = {https://www.census.gov/programs-surveys/popest/data/data-sets.html},
  urldate = {2026-10-12},
  note = {Accessed via Invokely, https://invokely.ai/en/natural-change-july-june/polk-county-iowa. Publisher attribution: U.S. Census Bureau. Population Estimates Program: natural change (births minus deaths), July 1 of the previous year to June 30 of the reported year; vintage 2020 files for 2011 to 2020 and the latest 2020s vintage from 2021. https://www.census.gov/programs-surveys/popest/data/data-sets.html. Retrieved 2026-10-12.},
}
RIS
TY  - DATA
AU  - U.S. Census Bureau
TI  - Population Estimates Program: natural change (births minus deaths), July 1 of the previous year to June 30 of the reported year; vintage 2020 files for 2011 to 2020 and the latest 2020s vintage from 2021: Natural change, July to June, Polk County, 2011 to 2025
PY  - 2026
DA  - 2026/03/26
PB  - U.S. Census Bureau
DB  - Invokely
UR  - https://www.census.gov/programs-surveys/popest/data/data-sets.html
L2  - https://invokely.ai/en/natural-change-july-june/polk-county-iowa
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/en/natural-change-july-june/polk-county-iowa.
N1  - Publisher attribution: U.S. Census Bureau. Population Estimates Program: natural change (births minus deaths), July 1 of the previous year to June 30 of the reported year; vintage 2020 files for 2011 to 2020 and the latest 2020s vintage from 2021. https://www.census.gov/programs-surveys/popest/data/data-sets.html. Retrieved 2026-10-12.
ER  -
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Questions

What is the natural change, July to June in Polk County?

Natural change, July to June in Polk County was 2,182 in 2025, according to the U.S. Census Bureau. That is down 0.6% from 2024. That is the 1st highest of 99 counties in 2025.

Where does this figure come from?

U.S. Census Bureau. Population Estimates Program: natural change (births minus deaths), July 1 of the previous year to June 30 of the reported year; vintage 2020 files for 2011 to 2020 and the latest 2020s vintage from 2021. Retrieved by Invokely on 2026-10-12.

What was the highest natural change, July to June in Polk County?

3,662 in 2014, the highest value since 2011 in this series.

Related statistics for Polk County

All statistics for Polk County | Polk County in figures