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County · code 39143

Sandusky CountyOhio

Sandusky County is a county in Ohio, with its seat in Fremont, formed in 1820.

  • Founded1820
  • County seatFremont
  • Land area408 sq mi + 9.5 sq mi water
  • Population58,896 2020 Census
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Updated

SenecaOttawaWoodErie Fremont Census outline · seat marked

Where it is

Sandusky on the map of Ohio

Ohio has 88 counties and county equivalents, each with its own records office. Shapes with a page are links.

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Counties of Ohio · Sandusky highlighted

History

Formed in 1820 from Huron County, Logan County and Seneca County

An old deed may name a county that no longer exists, or a boundary that has since moved.

Sandusky County was created in 1820 from parts of Huron and Logan counties, with Seneca County initially attached to it for administrative purposes. Seneca was fully organized and detached from Sandusky in 1824, and over the following two decades Sandusky lost territory to the creation of Wood, Erie, and Ottawa counties.

Boundary changes from the Newberry Library, Atlas of Historical County Boundaries.

  1. 1820
    Sandusky County created Sandusky created from Non-County Area 8 attached to Huron and Non-County Area 9 attached to Logan; Sandusky overlapped part of the area disputed with Michigan Territory since 1805 that was actually under Michigan control. Seneca attached to Sandusky for administrative and judicial purposes.
    from Huronfrom Loganfrom Seneca
    · Ohio Laws 1819, 18th assy., loc., ch. 37, secs. 1, 3/pp. 91-92; Chase, 3:ch. 429/pp. 2134-2135
  2. 1824
    Changed Seneca fully organized, detached from Sandusky.
    Seneca
    · Ohio Laws 1823, 22d assy., loc., chs. 34, 55/pp. 49, 88; Chase, 3:chs. 442, 445/pp. 2137-2139
  3. 1835
    Lost territory Sandusky lost to Wood. Northern boundary of Sandusky redefined to match the northern limit of Ohio in Lake Erie (no change).
    to Wood
    · Ohio Laws 1834, 33d assy., loc., secs. 1, 3-5/pp. 92-93
  4. 1838
    Lost territory Sandusky lost to creation of Erie.
    to Erie
    · Ohio Laws 1837, 36th assy., gen., pp. 60, 66
  5. 1840
    Lost territory Sandusky lost to creation of Ottawa.
    to Ottawa
    · Ohio Laws 1839, 38th assy., loc., p. 99
  6. 1840
    Gained territory Sandusky gained from Ottawa.
    from Ottawa
    · Ohio Laws 1839, 38th assy., loc., p. 201

Land and parcels

What the maps cover in Sandusky

Who publishes each layer, how good it is, and when we last checked.

Official
from the office that keeps the record
Good enough
a reliable statewide or national copy
Fallback
a guide only; check the official record
Missing
nothing public found yet

People and land

Sandusky by the Census

Population
58,896 2020 Census count
Housing units
26,479 2020 Census count
Land area
408 square miles
Water area
9.5 square miles
People per sq mi
144 population ÷ land area

Source: US Census Bureau, 2020 Census; US Census Bureau, 2020 Gazetteer Files. Not endorsed or certified by the Census Bureau.

Rules and offices

Sandusky County's official site

We have found the county's site but not its offices yet; start there.

County government

See your own lot on these maps

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Questions

Common questions about Sandusky County

When was Sandusky County founded?
Sandusky County was founded in 1820, formed from Huron County, Logan County and Seneca County.
What is the county seat of Sandusky County?
The county seat of Sandusky County is Fremont.
Is there an online parcel map for Sandusky County?
Not that we have found yet. Lot lines and owners of record are kept by the county assessor's office. When a public parcel map appears, it shows here.
Has Sandusky County's boundary or name changed?
Sandusky County was created in 1820 from Huron County, Logan County and Seneca County. Since then the Atlas of Historical County Boundaries records 4 later changes, chiefly involving Ottawa County, Erie County and Seneca County.
Is my lot in a flood zone?
We do not have flood maps for Sandusky County yet. Look up the address on FEMA's Flood Map Service Center, which shows the effective flood map for any lot.

Nearby

Counties next door