Data / Rankings / Net domestic migration, July to June / Counties in Maryland

Counties in Maryland by net domestic migration, July to June

Frederick County had the highest net domestic migration, July to June of 24 counties in 2019, at 3,404. Baltimore city had the lowest, at -10,854. The median was 174 and the figure for Maryland was -23,055. Source: the U.S. Census Bureau.

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Highest3,404Frederick County
Lowest-10,854Baltimore city
Median17424 counties
Maryland-23,055History

Map of counties, 2019

Allegany County: -284 personsAnne Arundel County: 1,626 personsBaltimore County: -3,111 personsCalvert County: 359 personsCaroline County: 17 personsCarroll County: 171 personsCecil County: 100 personsCharles County: 1,036 personsDorchester County: 12 personsFrederick County: 3,404 personsGarrett County: -49 personsHarford County: 1,087 personsHoward County: 646 personsKent County: 95 personsMontgomery County: -9,554 personsPrince George's County: -9,498 personsQueen Anne's County: 194 personsSt. Mary's County: 275 personsSomerset County: 24 personsTalbot County: 280 personsWashington County: 233 personsWicomico County: 176 personsWorcester County: 560 personsBaltimore city: -10,854 persons
  • Under -9,500
  • -9,500 to -2,200
  • -2,200 to 0
  • 0 to 200
  • 200 to 400
  • 400 and over
persons, 2019. Red areas are below zero and blue areas above it. Source: U.S. Census Bureau, Population Estimates Program: net domestic migration, states and counties, 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. Boundaries: U.S. Census Bureau cartographic boundary files.

All counties, 2019

Frederick County: 3,404 personsFrederick County3,404Anne Arundel County: 1,626 personsAnne Arundel County1,626Harford County: 1,087 personsHarford County1,087Charles County: 1,036 personsCharles County1,036Howard County: 646 personsHoward County646Worcester County: 560 personsWorcester County560Calvert County: 359 personsCalvert County359Talbot County: 280 personsTalbot County280St. Mary's County: 275 personsSt. Mary's County275Washington County: 233 personsWashington County233Queen Anne's County: 194 personsQueen Anne's County194Wicomico County: 176 personsWicomico County176Carroll County: 171 personsCarroll County171Cecil County: 100 personsCecil County100Kent County: 95 personsKent County95Somerset County: 24 personsSomerset County24Caroline County: 17 personsCaroline County17Dorchester County: 12 personsDorchester County12Garrett County: -49 personsGarrett County-49Allegany County: -284 personsAllegany County-284Baltimore County: -3,111 personsBaltimore County-3,111Prince George's County: -9,498 personsPrince George's County-9,498Montgomery County: -9,554 personsMontgomery County-9,554Baltimore city: -10,854 personsBaltimore city-10,854Frederick County: 3,404 personsFrederick County3,404Anne Arundel County: 1,626 personsAnne Arundel County1,626Harford County: 1,087 personsHarford County1,087Charles County: 1,036 personsCharles County1,036Howard County: 646 personsHoward County646Worcester County: 560 personsWorcester County560Calvert County: 359 personsCalvert County359Talbot County: 280 personsTalbot County280St. Mary's County: 275 personsSt. Mary's County275Washington County: 233 personsWashington County233Queen Anne's County: 194 personsQueen Anne's County194Wicomico County: 176 personsWicomico County176Carroll County: 171 personsCarroll County171Cecil County: 100 personsCecil County100Kent County: 95 personsKent County95Somerset County: 24 personsSomerset County24Caroline County: 17 personsCaroline County17Dorchester County: 12 personsDorchester County12Garrett County: -49 personsGarrett County-49Allegany County: -284 personsAllegany County-284Baltimore County: -3,111 personsBaltimore County-3,111Prince George's County: -9,498 personsPrince George's County-9,498Montgomery County: -9,554 personsMontgomery County-9,554Baltimore city: -10,854 personsBaltimore city-10,854
persons. Source: U.S. Census Bureau, Population Estimates Program: net domestic migration, states and counties, 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.

Full ranking

RankCounties2019
persons		Change on 2018
1Frederick County Estimated3,404+5.8%
2Anne Arundel County Estimated1,626-3.7%
3Harford County Estimated1,087-18.3%
4Charles County Estimated1,036-24.5%
5Howard County Estimated646-32.2%
6Worcester County Estimated560+29.9%
7Calvert County Estimated359-18.4%
8Talbot County Estimated280+428.3%
9St. Mary's County Estimated275+210.4%
10Washington County Estimated233+0.4%
11Queen Anne's County Estimated194-61.1%
12Wicomico County Estimated176-56.1%
13Carroll County Estimated171-74.7%
14Cecil County Estimated100-16%
15Kent County Estimated95+13.1%
16Somerset County Estimated24+109%
17Caroline County Estimated17-86.7%
18Dorchester County Estimated12+105.8%
19Garrett County Estimated-49-172.2%
20Allegany County Estimated-284-73.2%
21Baltimore County Estimated-3,111+16.8%
22Prince George's County Estimated-9,498+5.3%
23Montgomery County Estimated-9,554+13.5%
24Baltimore city Estimated-10,854-6.9%

Other periods

About this ranking

Estimated moves into an area from elsewhere in the same country minus moves out to the rest of the country, from July 1 of the previous year through June 30 of the reported year.

More on how it is measured
  • United States: states and counties.
  • Canada: provinces and territories, net interprovincial migration (Statistics Canada).
  • United Kingdom: local authorities, counting moves between any two UK local authorities, including across the borders of England, Wales, Scotland and Northern Ireland (ONS internal migration).
  • A negative value means more people left than arrived.

Sums to zero, or close to it, for each country as a whole, so there is no national value.

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. Population Estimates Program: net domestic migration, states and counties, 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: net domestic migration, states and counties, 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 (Counties in Maryland by net domestic migration, July to June, 2019) [Data set]. Retrieved October 12, 2026, from https://www.census.gov/programs-surveys/popest/data/data-sets.html

MLA 9

Population Estimates Program: net domestic migration, states and counties, 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, Counties in Maryland by net domestic migration, July to June, 2019. U.S. Census Bureau, 26 Mar. 2026, https://www.census.gov/programs-surveys/popest/data/data-sets.html. Invokely, https://invokely.ai/rankings/net-domestic-migration-july-june/maryland-counties?period=2019. Accessed 12 Oct. 2026.

Chicago (author-date)

U.S. Census Bureau. 2026. Population Estimates Program: net domestic migration, states and counties, 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. Counties in Maryland by net domestic migration, July to June, 2019. Dataset. Accessed October 12, 2026. https://www.census.gov/programs-surveys/popest/data/data-sets.html. Also distributed by Invokely, https://invokely.ai/rankings/net-domestic-migration-july-june/maryland-counties?period=2019.

Harvard

U.S. Census Bureau (2026) Population Estimates Program: net domestic migration, states and counties, 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, Counties in Maryland by net domestic migration, July to June, 2019 [Dataset]. Available at: https://www.census.gov/programs-surveys/popest/data/data-sets.html, via Invokely: https://invokely.ai/rankings/net-domestic-migration-july-june/maryland-counties?period=2019 (Accessed: 12 October 2026).

BibTeX
@misc{census_counties_in_maryland_by_2019,
  author = {{U.S. Census Bureau}},
  title = {{Population Estimates Program: net domestic migration, states and counties, 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: Counties in Maryland by net domestic migration, July to June, 2019}},
  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/rankings/net-domestic-migration-july-june/maryland-counties?period=2019. Publisher attribution: U.S. Census Bureau. Population Estimates Program: net domestic migration, states and counties, 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: net domestic migration, states and counties, 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: Counties in Maryland by net domestic migration, July to June, 2019
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/rankings/net-domestic-migration-july-june/maryland-counties?period=2019
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/rankings/net-domestic-migration-july-june/maryland-counties?period=2019.
N1  - Publisher attribution: U.S. Census Bureau. Population Estimates Program: net domestic migration, states and counties, 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

Which county has the highest net domestic migration, July to June?

Frederick County, with 3,404 in 2019, according to the U.S. Census Bureau.

Which county has the lowest net domestic migration, July to June?

Baltimore city, with -10,854 in 2019.

Where does this ranking come from?

Every value comes from one source and one period, so the places are comparable: U.S. Census Bureau, Population Estimates Program: net domestic migration, states and counties, 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.

Net domestic migration, July to June: other rankings

Counties in Maryland: more rankings