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

Counties in Maryland by net international migration, July to June

Montgomery County had the highest net international migration, July to June of 24 counties in 2019, at 6,099. Garrett County had the lowest, at -2. The median was 73 and the figure for Maryland was 16,757. Source: the U.S. Census Bureau.

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Highest6,099Montgomery County
Lowest-2Garrett County
Median7324 counties
Maryland16,757History

Map of counties, 2019

Allegany County: 36 personsAnne Arundel County: 391 personsBaltimore County: 1,941 personsCalvert County: 31 personsCaroline County: 62 personsCarroll County: 64 personsCecil County: 7 personsCharles County: 123 personsDorchester County: 3 personsFrederick County: 475 personsGarrett County: -2 personsHarford County: 166 personsHoward County: 857 personsKent County: 5 personsMontgomery County: 6,099 personsPrince George's County: 4,617 personsQueen Anne's County: 42 personsSt. Mary's County: 82 personsSomerset County: 25 personsTalbot County: 14 personsWashington County: 94 personsWicomico County: 236 personsWorcester County: 35 personsBaltimore city: 1,354 persons
  • Under 0
  • 0 to 40
  • 40 to 210
  • 210 and over
persons, 2019. Red areas are below zero and blue areas above it. Source: U.S. Census Bureau, Population Estimates Program: net international migration, 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

Montgomery County: 6,099 personsMontgomery County6,099Prince George's County: 4,617 personsPrince George's County4,617Baltimore County: 1,941 personsBaltimore County1,941Baltimore city: 1,354 personsBaltimore city1,354Howard County: 857 personsHoward County857Frederick County: 475 personsFrederick County475Anne Arundel County: 391 personsAnne Arundel County391Wicomico County: 236 personsWicomico County236Harford County: 166 personsHarford County166Charles County: 123 personsCharles County123Washington County: 94 personsWashington County94St. Mary's County: 82 personsSt. Mary's County82Carroll County: 64 personsCarroll County64Caroline County: 62 personsCaroline County62Queen Anne's County: 42 personsQueen Anne's County42Allegany County: 36 personsAllegany County36Worcester County: 35 personsWorcester County35Calvert County: 31 personsCalvert County31Somerset County: 25 personsSomerset County25Talbot County: 14 personsTalbot County14Cecil County: 7 personsCecil County7Kent County: 5 personsKent County5Dorchester County: 3 personsDorchester County3Garrett County: -2 personsGarrett County-2Montgomery County: 6,099 personsMontgomery County6,099Prince George's County: 4,617 personsPrince George's County4,617Baltimore County: 1,941 personsBaltimore County1,941Baltimore city: 1,354 personsBaltimore city1,354Howard County: 857 personsHoward County857Frederick County: 475 personsFrederick County475Anne Arundel County: 391 personsAnne Arundel County391Wicomico County: 236 personsWicomico County236Harford County: 166 personsHarford County166Charles County: 123 personsCharles County123Washington County: 94 personsWashington County94St. Mary's County: 82 personsSt. Mary's County82Carroll County: 64 personsCarroll County64Caroline County: 62 personsCaroline County62Queen Anne's County: 42 personsQueen Anne's County42Allegany County: 36 personsAllegany County36Worcester County: 35 personsWorcester County35Calvert County: 31 personsCalvert County31Somerset County: 25 personsSomerset County25Talbot County: 14 personsTalbot County14Cecil County: 7 personsCecil County7Kent County: 5 personsKent County5Dorchester County: 3 personsDorchester County3Garrett County: -2 personsGarrett County-2
persons. Source: U.S. Census Bureau, Population Estimates Program: net international migration, 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
1Montgomery County Estimated6,099+3%
2Prince George's County Estimated4,617+2.8%
3Baltimore County Estimated1,941+6%
4Baltimore city Estimated1,354-9.6%
5Howard County Estimated857+5.2%
6Frederick County Estimated475+0.2%
7Anne Arundel County Estimated391+2.9%
8Wicomico County Estimated236-17.2%
9Harford County Estimated166-9.8%
10Charles County Estimated123+20.6%
11Washington County Estimated94-47.5%
12St. Mary's County Estimated82+18.8%
13Carroll County Estimated64+1.6%
14Caroline County Estimated62+6.9%
15Queen Anne's County Estimated42-4.5%
16Allegany County Estimated36+20%
17Worcester County Estimated350%
18Calvert County Estimated31+210%
19Somerset County Estimated25-13.8%
20Talbot County Estimated14-26.3%
21Cecil County Estimated7-85.1%
22Kent County Estimated5-58.3%
23Dorchester County Estimated3-93.6%
24Garrett County Estimated-2-200%

Other periods

About this ranking

Estimated moves into the area from abroad minus moves out of the area to other countries, from July 1 of the previous year through June 30 of the reported year.

More on how it is measured
  • United States: Census Bureau estimates, including people born in the United States and abroad, moves between the states and Puerto Rico, and net movement of the Armed Forces overseas.
  • Canada: Statistics Canada immigrants, minus net emigration, plus the net change in non-permanent residents.
  • Australia: ABS net overseas migration for the financial year.
  • United Kingdom local authorities: Office for National Statistics mid-year estimates, counting people who move for at least 12 months.

A component of each country's official population estimates. Methods differ between the statistical offices, so compare places within a country first. Differs from the World Bank net_migration series, which uses calendar years and a different method.

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 international migration, 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 international migration, 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 international 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 international migration, 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 international 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-international-migration-july-june/maryland-counties?period=2019. Accessed 12 Oct. 2026.

Chicago (author-date)

U.S. Census Bureau. 2026. Population Estimates Program: net international migration, 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 international 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-international-migration-july-june/maryland-counties?period=2019.

Harvard

U.S. Census Bureau (2026) Population Estimates Program: net international migration, 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 international 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-international-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 international migration, 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 international 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-international-migration-july-june/maryland-counties?period=2019. Publisher attribution: U.S. Census Bureau. Population Estimates Program: net international migration, 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 international migration, 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 international 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-international-migration-july-june/maryland-counties?period=2019
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/rankings/net-international-migration-july-june/maryland-counties?period=2019.
N1  - Publisher attribution: U.S. Census Bureau. Population Estimates Program: net international migration, 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 international migration, July to June?

Montgomery County, with 6,099 in 2019, according to the U.S. Census Bureau.

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

Garrett County, with -2 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 international migration, 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 international migration, July to June: other rankings

Counties in Maryland: more rankings