This SQL query will provide a list of tables in a database with the number of rows
select schema_name(tab.schema_id) + '.' + tab.name as [tablename], sum(part.rows) as [rowcount] from sys.tables as tab inner join sys.partitions as part on tab.object_id = part.object_id where part.index_id IN (1, 0) -- 0 - table without PK, 1 table with PK group by schema_name(tab.schema_id) + '.' + tab.name order by sum(part.rows) desc
Each row represents each table. This will also include all the tables in the a database even the empty ones.