All counties →

Montgomery County, OH Demographics

Montgomery County, OH is the 5th most populous of 88 counties in Ohio, with 537,309 residents across 461 square miles. That is about 1,165 people per square mile.

At the 2020 census

Population 537,309
Land area 461 sq mi
Density 1,165 / sq mi

Data: 2020 Census · American Community Survey 2024

How Montgomery County compares to the US

We're computing this county's comparison table — check back shortly. Population, land area, and density above are already exact.

Central Location: Montgomery County, OH

Measured from the county's main population center using 2020 census blocks.

We're computing the drive-time and radius areas around Montgomery County, OH — check back shortly. Meanwhile you can drop a pin anywhere in the radius tool.

Census tracts in Montgomery County, OH

Name Population Sq mi Per sq mi
Census Tract 404.06 7,996 5.4 1,488
Census Tract 102 7,354 1.2 5,993
Census Tract 204 6,814 2.9 2,375
Census Tract 1650 6,800 14.4 473
Census Tract 903.04 6,593 2.1 3,105
Census Tract 505.04 6,581 3.4 1,923
Census Tract 1301.02 6,564 14.9 442
Census Tract 1250 6,472 4.6 1,400
Census Tract 1001.01 6,390 6.2 1,033
Census Tract 505.03 6,384 2.9 2,207
Census Tract 903.02 6,336 6.1 1,046
Census Tract 404.05 6,334 1.6 3,912
Census Tract 1251.02 6,317 3.3 1,933
Census Tract 805 6,237 2.7 2,319
Census Tract 501.06 6,119 2.9 2,138
Census Tract 1501 6,076 36.9 165
Census Tract 1001.02 5,903 2.1 2,821
Census Tract 801 5,864 2.4 2,486
Census Tract 1401 5,848 36.6 160
Census Tract 26 5,807 0.8 7,435
Census Tract 403.06 5,709 2.8 2,004
Census Tract 403.02 5,595 2.2 2,518
Census Tract 1150.11 5,587 1.8 3,129
Census Tract 403.03 5,526 2.9 1,896
Census Tract 25 5,485 1.2 4,722
Census Tract 506 5,362 29.4 182
Census Tract 1150.12 5,339 3.9 1,363
Census Tract 404.01 5,327 3.6 1,494
Census Tract 503.02 5,273 2.2 2,358
Census Tract 1004 5,268 8.8 602
Census Tract 1201.01 5,187 12.5 414
Census Tract 504.01 5,184 1.6 3,342
Census Tract 33 5,076 0.5 9,569
Census Tract 501.05 4,936 1.5 3,267
Census Tract 1002.01 4,736 0.9 5,235
Census Tract 1201.02 4,728 1.9 2,461
Census Tract 402.04 4,726 1.6 2,892
Census Tract 301 4,704 4.6 1,033
Census Tract 1102.01 4,682 5.1 920
Census Tract 1002.03 4,660 0.9 4,921
Census Tract 1003.01 4,347 1.1 3,859
Census Tract 501.01 4,338 1.3 3,306
Census Tract 1251.04 4,319 2.5 1,719
Census Tract 404.03 4,201 1.2 3,648
Census Tract 15.01 4,179 1.1 3,778
Census Tract 11 4,124 0.6 6,635
Census Tract 705 4,091 2.7 1,493
Census Tract 5 4,088 1.1 3,647
Census Tract 19 4,079 1.3 3,169
Census Tract 29 4,030 0.8 4,793
Census Tract 1150.02 3,994 5.2 764
Census Tract 503.03 3,950 0.8 4,672
Census Tract 8.01 3,935 0.6 6,420
Census Tract 32.01 3,823 0.5 7,096
Census Tract 4 3,783 0.8 4,542
Census Tract 18.02 3,741 1.3 2,799
Census Tract 603 3,718 2.1 1,789
Census Tract 903.03 3,687 1.1 3,390
Census Tract 701.01 3,687 16.9 218
Census Tract 34.02 3,683 0.6 6,327
Census Tract 216.02 3,640 0.9 3,854
Census Tract 403.05 3,571 3.2 1,133
Census Tract 909 3,544 0.9 3,925
Census Tract 701.02 3,433 2.0 1,719
Census Tract 503.01 3,407 3.4 1,000
Census Tract 501.07 3,384 1.9 1,785
Census Tract 1102.02 3,335 4.2 786
Census Tract 34.03 3,325 0.3 9,870
Census Tract 1003.02 3,308 0.8 4,152
Census Tract 1201.03 3,272 1.6 2,109
Census Tract 211 3,247 0.6 5,392
Census Tract 707 3,189 1.3 2,511
Census Tract 207 3,167 0.7 4,746
Census Tract 804 3,152 0.7 4,358
Census Tract 906 3,149 0.9 3,388
Census Tract 1 3,005 0.8 3,787
Census Tract 202 3,000 0.9 3,266
Census Tract 22 2,988 0.5 6,567
Census Tract 215.01 2,981 0.7 4,311
Census Tract 401.03 2,966 1.3 2,273
Census Tract 23 2,949 0.4 7,346
Census Tract 201 2,944 1.4 2,102
Census Tract 402.01 2,927 1.2 2,358
Census Tract 20 2,920 0.7 4,031
Census Tract 9 2,870 0.4 6,684
Census Tract 505.02 2,864 4.9 581
Census Tract 213.01 2,862 1.7 1,651
Census Tract 30 2,827 0.6 4,377
Census Tract 31 2,791 0.4 7,120
Census Tract 1251.03 2,750 2.1 1,331
Census Tract 703 2,748 3.8 726
Census Tract 802 2,716 1.4 2,001
Census Tract 209 2,713 0.4 6,550
Census Tract 24 2,712 0.5 5,819
Census Tract 911 2,682 0.5 5,866
Census Tract 203 2,653 1.2 2,275
Census Tract 402.03 2,646 1.3 1,980
Census Tract 910 2,635 1.0 2,668
Census Tract 704 2,617 3.0 880
Census Tract 1651 2,597 1.3 1,981

Showing the 100 most populous of 156 — the rest are shown on the map.

Related places

About this page

This page shows demographics for a US county from the 2020 census and the American Community Survey: population, land area, density, urban share, and how the county compares to national averages for income, housing, age, and more.

Counties subdivide into census tracts, listed below with their populations. The drive-time and radius tables measure the population around the county's main population center.

Read how BlockAtlas computes population within an area →