Ranking of Sullivan, MO Cities and Places By population in 2021
Updated on June 27, 2025.
Based on the US Census Vintage data estimates, in 2021, among all Sullivan, MO cities and places, Balance of Sullivan County had the highest population (2.91K), followed by Milan city (1.79K), and Green City city (585).
The chart below shows the top 10 cities and places, and the table below shows the ranking of all Sullivan cities and places.
You can see similar information for other Missouri counties. You can also see the ranking of all cities and places in Missouri.
Data Source: US Census Bureau (Vintage).
Ranking of Sullivan, MO Cities and Places By population in 2021
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| Rank | City or Place | Population |
|---|---|---|
| 1 | Balance of Sullivan County | 2911 |
| 2 | Milan city | 1792 |
| 3 | Green City city | 585 |
| 4 | Green Castle city | 216 |
| 5 | Newtown town | 113 |
| 6 | Humphreys village | 90 |
| 7 | Harris town | 60 |
| 8 | Browning city (pt.) | 56 |
| 9 | Pollock village | 45 |
| 10 | Osgood village | 23 |