| PEOPLE AND EVENTS | DATE | POP. |
| 1995 | 14158 |
| 1990 | 12518 |
| 1980 | 11347 |
| 1970 | 7845 |
| 1960 | 6418 |
| 1950 | 4600 |
| Maine Turnpike opened | 1940 | 2842 |
| Airport opened in Willowdale area | 1930 | 2445 |
| Danish Village built on Route 1;
first housing development in town | 1920 | 1832 |
| 1910 | 1945 |
| Electric car service opened between
Portland and Saco | 1900 | 1865 |
| 1890 | 1794 |
| Town Hall built at Oak Hill; Winslow Homer moves to Prouts Neck | 1880 | 1847 |
| Richard King, Sr. dies; Thomas Libby dies and leaves his property to his 3 children: Sila, Benaiah, Minerva; Boston and Maine Railroad comes through town; Old Pine Point Road (Dunstan Landing across the marsh) laid out; dyke built across the marsh above Blue Point | 1870 | 1692 |
| Dunstan School (Amvets) built | 1860 | 1807 |
| last ship launched at Dunstan Landing; Second Parish incorporated | 1850 | 1837 |
| Portland Saco and Portsmouth Railroad comes through town; Old Blue Point Road laid out (Drunken Gully) | 1840 | |
| Judge Robert Southgate dies; Parson Lancaster dies | 1830 | |
| roads straightened per order of Benjamin Franklin; stagecoaches come through town; Lafayette comes through town | 1820 | |
| Josiah Paine makes a direct road from Dunstan to Stroudwater; Rufus King runs for President of United States | 1810 | |
| Cumberland Turnpike built; Robert Southgate builds his brick house; new Congregational church built at Dunstan; Rev. Nathan Tilton comes to Dunstan; Methodist Society organized at Dunstan | 1800 | |
| Scarborough Post Office established at Dunstan Corner; Congregational Church built at Oak Hill; Rev. Chadwick removed from ministry | 1790 | 2235 |
| slavery abolished in Scarborough | 1780 | |
| Rev. Pierce dies; church reverts to Congregational; Rev. Thomas Lancaster begins his long career; Rev. Elvins dies and Rev. Benjamin Chadwick assumes Dunstan's Second Parish; Robert Southgate comes to town; Robert, John, and Thomas Libby acquire Black Point (Prouts Neck) and area is Libby Neck | 1770 | |
| Rev. Pierce comes to town and congregation adopts Presbyterians doctrine until he dies; William King born in Scarborough; Timothy Prout dies; great fire races through town; terrible drought; initial migration to Machias; Scarborough has 11 slaves | 1760 | |
| Rev. Tompson dies; Fergus Higgins settles in town; Rufus King born in Scarborough; Walter Warren comes to town | 1750 | |
| last white man killed by Indians in town; Samuel Fogg becomes schoolmaster; Rev. Richard Elvins comes to Dunstan; Richard King, Sr., Morris O'Brien, Elliot Vaughan come to town; Second Parish established at Dunstan | 1740 | |
| bounties established on wolves and bears; first Congregational Church built; Robert Bailey hired as (probably) the first schoolmaster; Daniel Hasty resides in Scarborough; Jonathan Andrew and Joseph Waterhouse come to town | 1730 | |
| Town government reestablished; renewed Indian attacks, captives taken; Timothy Prout acquires Black Point (Prouts Neck); Rev. Hugh Campbell is first minister of second settlement; church services held at Roger Dearing's home; Rev. William Tompson begins and Congregational Church organized; Clay Pits laid out as public landing | 1720 | |
| Roger Dearing comes to town; John Milliken claims the Alger land; Col. Thomas Westbrook resides in town | 1710 | |
| Second Settlement probably started; Hunnewlll massacre probably occurred; Western Cove attack and victory | 1700 | |
| Scarborough deserted; peace treaty with Indians; Joshua Scottow dies and Black Point title becomes uncertain | 1690 | |
| second fort at Black Point built; Rev. Blackman comes to town; Rev. George Burroughs comes to town - later hung for witchcraft in Massachusetts; church moved closer to the fort; Hunnewell House built; last entry in town records | 1680 | 51 |
| 50 houses at Black Point (Prouts Neck); Indian hostilities begin at Blue Point; fort built at Black Point (Prouts Neck) and surrendered by Jocelyn; first massacre at Black Point (Prouts Neck) and death of Chief Mogg Heigon; Joshua Scottow comes to Scarborough | 1670 | |
| Black Point title transferred to Joshua Scottow; first ''ordinary'' opened at Blue Point (tavern); first corn mill established | 1660 | |
| Ambrose Boaden is first ferryman at Spurwink River; Dunstan founded by Alger Brothers; town incorporated; Rev Thorpe cited for preaching unsound doctrine | 1650 | |
| Thomas Cammock dies and title is given to Henry Jocelyn | 1640 | |
| Thomas Cammock granted 1500 acres at Prouts Neck; Blue Point founded by Henry Watts and Richard Foxwell; John Libby arrives in the New World; John Josselyn first visits Black Point; | 1630 | |
| Christopher Levitt fishes in Scarborough River; John Stratton establishes a trading post on island off today's Prouts Neck | 1620 | |