Adams County, Indiana Cities (2025)

32 cities

City
Rank
2025 Pop. ↓
2020 Pop.
Annual Change
Density
Area (mi²)
Type
Decatur137,49636,9340.71%1,16232 Township
Decatur210,1069,9360.34%1,6566 City
Monroe39,0388,7690.99%17651 Township
Geneva47,6107,5000.3%13656 Township
Monroe56,4865,6292.43%24526 Township
Root66,1656,0450.1%16936 Township
Monroe75,9415,6431.18%10756 Township
Monroe85,4265,2730.61%14936 Township
Berne94,3414,1830.72%1,8772 City
Monroe103,8273,869-0.13%9341 Township
Monroe113,5683,5000.48%11830 Township
Monroe123,4413,454-0.12%11829 Township
Monroe132,9122,8700.52%12124 Township
Monroe142,0551,9661.08%8325 Township
Monroe151,6571,6450.36%4736 Township
Blue Creek161,6001,5660.13%6624 Township
Monroe171,5611,4890.77%4535 Township
Jefferson181,4101,3770.36%5924 Township
Monroe191,3221,3220.23%6919 Township
Geneva201,2931,2600.47%1,1711 Town
St. Marys211,2921,2640.16%5325 Township
French221,2811,2530.23%5424 Township
Monroe231,1631,1480.52%4924 Township
Preble241,0531,0300.29%4424 Township
Hartford251,0109850.2%4224 Township
Kirkland269669420.52%4024 Township
Union279259010.43%3725 Township
Monroe289048840.44%1,3291 Town
Monroe296316080.96%1638 Township
Monroe30626641-0.32%1542 Township
Monroe313623520.84%1037 Township
Vera Cruz3270680%6930 Town

Adams County Cities Summary

Largest City

Decatur is the largest city in Adams County, with a population of 37,496.

Smallest City

Vera Cruz is the smallest city in Adams County, with a population of 70.

10 Largest Cities

There are 32 cities in Adams County, Indiana.

Location of Adams County