Rank

351of 3,144

Sullivan, New Hampshire

Score 7.11 / 10· population 43,969

Sullivan County covers 528 square miles of west central New Hampshire, with Claremont as its one city and fourteen towns, Newport the county seat among them. Another of the towns, Charlestown, had the steepest property tax rate in New Hampshire in 2025: $36.54 per $1,000 of value. About one child in four here, 26% over 2020-2024, lived with a householder who had no spouse or partner at home; statewide the figure was 19%.

Sources
  • Sullivan County is in West Central New Hampshire and covers 528 square miles. sullivancountynh.gov
  • The county has fourteen towns (Acworth, Charlestown, Cornish, Croydon, Goshen, Grantham, Langdon, Lempster, Newport, Plainfield, Springfield, Sunapee, Unity, Washington) and one city, Claremont; Newport is the county seat. sullivancountynh.gov
  • Charlestown's 2025 property tax rate of $36.54 per $1,000 is the highest in New Hampshire, ahead of Keene's $34.37 (article dated December 16, 2025). mykeenenow.com
  • ACS 2020-2024 5-year, table B09005: of 7,730 children under 18 in Sullivan County households, 362 lived in a male-householder and 1,641 in a female-householder household with no spouse or partner present, 2,003 in all (25.9%). api.censusreporter.org
  • ACS 2020-2024 5-year, table B09005: of 253,563 children under 18 in New Hampshire households, 11,433 lived in a male-householder and 35,773 in a female-householder household with no spouse or partner present, 47,206 in all (18.6%). api.censusreporter.org

v4 — beta, 30 October 2026, sourced values

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Eleven factors

Government behavior

  1. Fraser Institute state ranking (state)8.3
  2. 2A (state)10.0
  3. GOP + LP vote for President5.0
  4. Sales tax10.0
  5. Property tax1.2

Environment

  1. Air quality7.0
  2. Floods / hurricanes3.3

Private behavior

  1. Homicide rate9.2
  2. Life expectancy7.9
  3. Government employees8.2
  4. Single-parent households4.7

Neighbors