Here are three graphs I created from the data utilized by David Edwin Harrell to demonstrate reasons for the Church of Christ - Disciples of Christ division in 1906. From my vantage point, these statistics give clear indication of the social pressures that manifested themselves in the theological wranglings of the division. Besides the North-South polarization, economics and rural/urban dynamics surely played a significant role.
The first chart looks at average church building value:
The second looks at the average value of property in five selected states:
The third chart looks at rural verses urban membership percentages: