Data / Natural change, July to June / Lewis and Clark County

Natural change, July to June in Lewis and Clark County

Natural change, July to June in Lewis and Clark County was -37 in 2025, according to the U.S. Census Bureau. That is up 33.9% from 2024. That is the 48th highest of 56 counties in 2025.

2025, persons-37 Estimated
Change on 2024+33.9%
Rank48th of 56Counties in Montana ranked
Series high2282013
Series low-1562022

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 Lewis and Clark County, 2011 to 2025

-200-1000100200300201120142017202020252011: 223 persons2012: 185 persons2013: 228 persons2014: 196 persons2015: 185 persons2016: 217 persons2017: 146 persons2018: 135 persons2019: 63 persons2020: 16 persons2021: -46 persons2022: -156 persons2023: -56 persons2024: -56 persons2025: -37 persons-200-100010020030020112016202120252011: 223 persons2012: 185 persons2013: 228 persons2014: 196 persons2015: 185 persons2016: 217 persons2017: 146 persons2018: 135 persons2019: 63 persons2020: 16 persons2021: -46 persons2022: -156 persons2023: -56 persons2024: -56 persons2025: -37 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
2025-37 Estimated
2024-56 Estimated
2023-56 Estimated
2022-156 Estimated
2021-46 Estimated
202016 Estimated
201963 Estimated
2018135 Estimated
2017146 Estimated
2016217 Estimated
2015185 Estimated
2014196 Estimated
2013228 Estimated
2012185 Estimated
2011223 Estimated

Compared with Montana and United States

Place2025
Lewis and Clark County-37
Montana-90
United States518,858

Lewis and Clark County compared with nearby places

Beaverhead County: -21 personsBig Horn County: 54 personsBlaine County: 1 personsBroadwater County: -3 personsCarbon County: 16 personsCarter County: -2 personsCascade County: -71 personsChouteau County: -24 personsCuster County: 4 personsDaniels County: -3 personsDawson County: -8 personsDeer Lodge County: -41 personsFallon County: 16 personsFergus County: -11 personsFlathead County: 101 personsGallatin County: 437 personsGarfield County: -1 personsGlacier County: -2 personsGolden Valley County: -4 personsGranite County: -15 personsHill County: 58 personsJefferson County: -54 personsJudith Basin County: 3 personsLake County: -78 personsLewis and Clark County: -37 personsLiberty County: -6 personsLincoln County: -118 personsMcCone County: 7 personsMadison County: -24 personsMeagher County: -1 personsMineral County: -24 personsMissoula County: 110 personsMusselshell County: -8 personsPark County: -29 personsPetroleum County: 2 personsPhillips County: -14 personsPondera County: -20 personsPowder River County: 6 personsPowell County: -38 personsPrairie County: -6 personsRavalli County: -156 personsRichland County: 30 personsRoosevelt County: 27 personsRosebud County: 21 personsSanders County: -35 personsSheridan County: -28 personsSilver Bow County: -154 personsStillwater County: -4 personsSweet Grass County: 2 personsTeton County: -5 personsToole County: -2 personsTreasure County: -4 personsValley County: -35 personsWheatland County: 2 personsWibaux County: -16 personsYellowstone County: 115 persons
  • Under -28
  • -28 to -6
  • -6 to 0
  • 0 to 6
  • 6 to 30
  • 30 and over
Natural change, July to June, 2025, persons. Lewis and Clark 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, Lewis and Clark 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, Lewis and Clark 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/lewis-and-clark-county-montana. 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, Lewis and Clark 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/lewis-and-clark-county-montana.

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, Lewis and Clark 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/lewis-and-clark-county-montana (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, Lewis and Clark 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/lewis-and-clark-county-montana. 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, Lewis and Clark 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/lewis-and-clark-county-montana
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/en/natural-change-july-june/lewis-and-clark-county-montana.
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 Lewis and Clark County?

Natural change, July to June in Lewis and Clark County was -37 in 2025, according to the U.S. Census Bureau. That is up 33.9% from 2024. That is the 48th highest of 56 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 Lewis and Clark County?

228 in 2013, the highest value since 2011 in this series.

Related statistics for Lewis and Clark County

All statistics for Lewis and Clark County | Lewis and Clark County in figures