The constituency is predominantly low-lying and agricultural, with many residents commuting to work in Cambridge. Workless claimants were in November 2012 significantly lower than the national average of 3.8%, at 1.4% of the population based on a statistical compilation by The Guardian.
Boundaries and boundary changes
1983–1997: The District of East Cambridgeshire wards of Bottisham, Burwell, Cheveley, Dullingham Villages, Ely North, Ely South, Ely West, Fordham Villages, Isleham, Soham, The Swaffhams, and Woodditton, and the District of South Cambridgeshire wards of Abington, Balsham, Bar Hill, Castle Camps, Coton, Cottenham, Elsworth, Fulbourn, Girton, Histon, Linton, Longstanton, Milton, Over, Swavesey, Teversham, The Wilbrahams, Waterbeach, and Willingham. The seat was created for the 1983 general election which followed on from the merger under the Local Government Act 1972, of the two administrative counties of Huntingdon and Peterborough and Cambridgeshire and Isle of Ely to form the non-metropolitan county of Cambridgeshire, with effect from 1 April 1974. It was formed from eastern parts of the abolished County Constituency of Cambridgeshire, together with the city of Ely, which had been in the abolished County Constituency of Isle of Ely. 1997–2010: The District of East Cambridgeshire wards of Bottisham, Burwell, Cheveley, Dullingham Villages, Ely North, Ely South, Ely West, Fordham Villages, Haddenham, Isleham, Soham, Stretham, The Swaffhams, Witchford, and Woodditton, and the District of South Cambridgeshire wards of Abington, Balsham, Castle Camps, Cottenham, Fulbourn, Histon, Linton, Milton, Over, Teversham, The Wilbrahams, Waterbeach, and Willingham. Western-most area transferred to the new County Constituency of South Cambridgeshire. Minor gain from North East Cambridgeshire. 2010–present: The District of East Cambridgeshire wards of Bottisham, Burwell, Cheveley, Dullingham Villages, Ely East, Ely North, Ely South, Ely West, Fordham Villages, Haddenham, Isleham, Soham North, Soham South, Stretham, and The Swaffhams, and the District of South Cambridgeshire wards of Balsham, Fulbourn, Histon and Impington, Linton, Milton, Teversham, The Wilbrahams, Waterbeach, and Willingham and Over. Further minor loss to South Cambridgeshire. The constituency includes the eastern half of South Cambridgeshire district and the southern part of East Cambridgeshire. Ely, the largest community, has cathedral city status, and there are many smaller settlements including Burwell, Fulbourn, Isleham, Linton, Milton, Soham and Waterbeach.