2500 acres so 10km²
So it starts with a territory the size of a village and land, that's good my village in France is a little less than 10km² currently 100 inhabitants, but there were at most 692 inhabitants in 1841 (I have no figures older than 1793) and there is even a castle, so it shows that there were small territories.
And there is nothing exceptional, because the nearby village also has an area of 10km², a castle and a slightly higher population, 846 at best in 1836