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1900s (20th Century) Maps of Merrimack County, New Hampshire

Explore 87 historic maps of Merrimack County from the 1900s (20th Century). These maps offer a rare glimpse into what life looked like during the 1900s — showing old roads, neighborhoods, homes, and landmarks that have changed or disappeared over time.

Whether you're researching your family's past, planning a metal detecting trip, or studying how Merrimack County's landscape evolved across the 1900s, these high-resolution maps are a powerful tool for exploring the history of this region.

  • Focus on a specific era: All maps on this page are from the 1900s, giving you a focused view of this time period.
  • See what’s changed: Compare century-old streets, trails, and buildings to today's modern landscape using overlays and satellite layers.
  • Research with precision: Use these maps for genealogy, historical research, land use analysis, or educational projects.
  • View, download, or print: Maps are fully viewable online in high resolution, and can be downloaded or printed for your own records.

Start exploring Merrimack County's history through authentic maps from the 1900s. This is your window into the past.

Merrimack County, NH maps

(87)
  1. 1902 Map of Sunapee, 1947 Print
    1902 Map of Sunapee, 1947 Print
    1902 Sunapee
    1947 Print · USGS
    Sullivan County at the dawn of the twentieth century shows a vibrant landscape of lakeside landings and upland mill villages. Trace family roots and old transit routes from the Steamboat Route on Lake Sunapee to the Boston and Maine Railroad depots at Kelleyville and Wendell.
  4. 1905 Map of Sunapee, 1947 Print
    1905 Map of Sunapee, 1947 Print
    1905 Sunapee
    1947 Print · USGS
    Sullivan County's lakeside and rail economies are captured here just after the turn of the century. Genealogists can trace family lines through old post offices at North Newport PO and Mt Sunapee Chandler-ville PO, or follow the Steamboat Route to Soo Nipi Park.
  7. 1907 Map of Sunapee
    1907 Map of Sunapee
    1907 Sunapee
    1907 Print · USGS
    Sullivan County at the dawn of the twentieth century was a landscape of mountain ridges and busy lakeside resorts. Genealogists can trace family names among the many peaks and locate local centers like Newport, Mill Village, and Blodgett Landing.
    7 unique versions available
  10. 1919 Map of Gilmanton
    1919 Map of Gilmanton
    1919 Gilmanton
    1919 Print · USGS
    Belknap and Merrimack counties are mapped here just after the Great War, showing a landscape of specialized hamlets and water-driven industry. Researchers can trace the Suncook Valley RR and locate ancestral landmarks like Shaker Village or the Smith Meetinghouse.
    2 unique versions available
  13. 1919 Map of Alton
    1919 Map of Alton
    1919 Alton
    1919 Print · USGS
    Eastern New Hampshire in the years following the Great War reveals a landscape of high ridges and valley settlements. Trace ancestral roots through small rural outposts like Middleton Corners and schools like the Willeytown School or Ten Rod School.
    6 unique versions available
  16. 1921 Map of Suncook
    1921 Map of Suncook
    1921 Suncook
    1921 Print · USGS
    Merrimack and Suncook River valleys thrive in the early 1920s as bustling centers of rail travel and local education. Genealogists can locate family homesteads near dozens of rural schoolhouses like Borough School or trace the old Boston and Maine Railroad through Suncook and Hooksett.
    5 unique versions available
  19. 1925 Map of Holderness, 1956 Print
    1925 Map of Holderness, 1956 Print
    1925 Holderness
    1956 Print · USGS
    Central New Hampshire in the mid-twenties centers on the Pemigewasset River and the bustling rail corridor. Genealogists can trace a network of rural schoolhouses like Sargent School and landmarks including Profile Falls and the Bay Meeting House.
  22. 1926 Map of Hillsboro
    1926 Map of Hillsboro
    1926 Hillsboro
    1926 Print · USGS
    Hillsborough County's mill towns and hill farms are captured here in the mid-1920s as the rail-and-river economy remained the local heartbeat. Researchers can trace the Boston and Maine line through Slab City or locate the Birthplace of Franklin Pierce near Jackman Reservoir.
    2 unique versions available
  25. 1927 Map of Concord
    1927 Map of Concord
    1927 Concord
    1927 Print · USGS
    Merrimack and Hillsborough counties show a landscape of river-driven industry and rural school districts during the mid-twenties. Genealogists can trace family lines through dozens of local schoolhouses and institutions like St Pauls School or the Quaker Church.
    6 unique versions available
  28. 1927 Map of Penacook
    1927 Map of Penacook
    1927 Penacook
    1927 Print · USGS
    The Merrimack and Winnipesaukee valleys in the mid-1920s reveal a landscape of river-powered industry and rural school districts. Researchers can trace dozens of family-named landmarks and institutions, from Kezer Seminary to the Soldiers Home and Swetts Mills.
    8 unique versions available
  31. 1927 Map of Gilmanton
    1927 Map of Gilmanton
    1927 Gilmanton
    1927 Print · USGS
    Belknap and Merrimack Counties appear here in the late twenties, showing a landscape of rural schoolhouses and established hill towns. Genealogists can trace family names through landmarks like Smith Meetinghouse, Shaker Village, and the South Pittsfield Friends Meetinghouse.
    5 unique versions available
  34. 1927 Map of Holderness
    1927 Map of Holderness
    1927 Holderness
    1927 Print · USGS
    The Lakes Region in the late twenties reveals a landscape of small hill-town schools and winding river valleys. Genealogists can locate family landmarks like Sargent School, Dana Church, and numerous small waters from Squam Lake to Wickwas Pond.
    6 unique versions available
  37. 1927 Map of Cardigan, 1957 Print
    1927 Map of Cardigan, 1957 Print
    1927 Cardigan
    1957 Print · USGS
    Grafton and Merrimack Counties were defined by rail-side industry and early lakeside tourism in the late 1920s. Genealogists and historians can trace defunct schoolhouses like School No 8 and find deep-woods sites like the Alexandria Mica Mine.
  40. 1928 Map of Mount Kearsarge
    1928 Map of Mount Kearsarge
    1928 Mount Kearsarge
    1928 Print · USGS
    Merrimack County and the surrounding highlands are captured in the late 1920s as the rail-and-river economy flourished. Genealogists and historians can trace defunct schools and rural crossroads like Scribners Corner, the BOSTON AND MAINE RR corridor, and the COAL HEARTH CEMETERY.
    5 unique versions available
  43. 1929 Map of Hillsboro
    1929 Map of Hillsboro
    1929 Hillsboro
    1929 Print · USGS
    Central New Hampshire in the late twenties reveals a landscape of river-powered towns and remote hill farms. Trace family history at the Birthplace of Franklin Pierce or locate old schoolhouses like Liberty Union Sch and Hemlock Sch.
    5 unique versions available
  46. 1930 Map of Cardigan
    1930 Map of Cardigan
    1930 Cardigan
    1930 Print · USGS
    Grafton County's granite hills and lakeside settlements are captured here in the late prohibition era. Genealogists and hikers can trace the original locations of rural schoolhouses like Crawford Sch, the workings of the Alexandria Mica Mines, and the old rail stops at Grafton Sta.
    7 unique versions available
  49. 1930 Map of Lovewell Mountain
    1930 Map of Lovewell Mountain
    1930 Lovewell Mountain
    1930 Print · USGS
    The Cheshire and Sullivan County borderlands come alive in this late 1920s survey of the New Hampshire highlands. Researchers can locate long-standing crossroads like East Lempster, find vanished rural education at Fifield Sch, or trace the old Loverens Mill site.
    4 unique versions available
  52. 1931 Map of Mount Kearsarge
    1931 Map of Mount Kearsarge
    1931 Mount Kearsarge
    1931 Print · USGS
    Merrimack County during the interwar years shows a New Hampshire landscape of river-powered hamlets and rail depots. Genealogists can trace family roots through specific sites like Coalhearth Cemetery, the Langley School, and junctions like Scribners Corner.
  55. 1942 Map of Lovewell Mountain
    1942 Map of Lovewell Mountain
    1942 Lovewell Mountain
    1942 Print · USGS
    Sullivan and Cheshire Counties are shown in detail during the early 1940s, capturing the high-country pond and mill culture of the New Hampshire hills. Researchers can trace family roots through upland landmarks like Advent Ch, School No 5, and the old Meetinghouse.
    4 unique versions available
  58. 1944 Map of Suncook
    1944 Map of Suncook
    1944 Suncook
    1944 Print · USGS
    Suncook and the surrounding New Hampshire hill towns are captured in the 1940s as industry met a rugged landscape. Trace ancestral homes and community hubs like Candia Station, the Sanitarium, and the Buck Street Sch during this era of transition.
  61. 1949 Map of Portland
    1949 Map of Portland
    1949 Portland
    1949 Print · USGS
    Coastal Maine and the New Hampshire interior are shown in detail during the late forties, from the bustling harbors to the lakeside villages. Researchers can trace historical rail networks like the Boston & Maine RR and locate coastal defenses such as Fort Preble.
    3 unique versions available
  64. 1949 Map of Concord, 1954 Print
    1949 Map of Concord, 1954 Print
    1949 Concord
    1954 Print · USGS
    Merrimack County at the close of the 1940s shows a capital city and its surrounding hill towns in transition. Genealogists and local historians can pinpoint family-named landmarks like Putney Hill, rural schoolhouses such as Waite School, and the quiet Quaker Church.
    4 unique versions available
  67. 1950 Map of Glens Falls
    1950 Map of Glens Falls
    1950 Glens Falls
    1950 Print · USGS
    The Adirondacks and the Green Mountains meet in this mid-century survey of the New York and Vermont borderlands. Researchers can trace the industrial rail corridors of the Rutland RR and Delaware & Hudson RR connecting Glens Falls, Rutland, and the shores of Lake George.
  70. 1955 Map of Sunapee, 1957 Print
    1955 Map of Sunapee, 1957 Print
    1955 Sunapee
    1957 Print · USGS
    Sullivan County in the mid-fifties is captured here as a landscape of granite ridges, industrial valleys, and developing lakefronts. Genealogists and historians can locate the Little Red Schoolhouse Museum, the Wayside Chapel, and active rail lines like the Boston and Maine RR.
    3 unique versions available
  73. 1956 Map of Cardigan, 1958 Print
    1956 Map of Cardigan, 1958 Print
    1956 Cardigan
    1958 Print · USGS
    Grafton County's high ridges and lake shores are captured here during the mid-fifties, showing the region's transition toward recreation and conservation. Genealogists and hikers can trace the Boston and Maine rail line through Grafton Center or locate old district sites like the Red Sch and Alexandria Mica Mine.
    3 unique versions available
Showing maps 1-25 of 87

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