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Delphos, Kansas

City in Ottawa County, Kansas · ZIP 67436

  • Ottawa County
  • Within Sheridan Township
  • Census data · ACS 2019-2023
  • 301 (2024 estimate)Population
  • 155Households
  • $55,417Median household income
  • $50,000Median home value
  • 1ZIP codes

About Delphos

This page shows only what has been published about Delphos: Census facts with their sources first, then its businesses, jobs, events, people in public roles, housing and questions as they are added. Nothing here is written by the town government.

Town intelligenceOfficial sources, refreshed yearly

Population, 2000 to 2020−35.6%
3004005002000: 46920002010: 35920102020: 3022020469302
Population of Delphos at each census
CensusPopulation
2000469
2010359
2020302

As counted at each census, within the boundaries the area had then; the current estimate is in the glance card.

Sources: Census 2000 Summary File 1: total population, place level, state 20, retrieved November 14, 2026; Census 2010 Summary File 1: total population, place level, state 20, retrieved November 14, 2026; Census 2020 Redistricting Data (P.L. 94-171): total population, place level, state 20, retrieved November 14, 2026.

Household income in Delphos
Under $50k42.6%
$50k to $100k31.7%
$100k to $150k14.8%
$150k to $200k6.5%
$200k and over4.5%

Median household income $55,417 · Share of households by income, American Community Survey 5-year 2019-2023, table S1901.

Source: American Community Survey 5-year subject table S1901 (household income) 2019–2023, place level, state 20, retrieved November 14, 2026.

Housing tenure in Delphos
Owner occupied
116 units
Renter occupied
39 units
Vacancy rate
29.2%

Occupied housing units by tenure and the share of all units vacant, American Community Survey 5-year 2019-2023, table DP04.

Source: American Community Survey 5-year data profile 2019–2023, place level, state 20, retrieved November 14, 2026.

Delphos compared with its county and state
Delphos compared with its county and state, American Community Survey 2019-2023
MeasureDelphosOttawa CountyKansas
Population3145,7822,937,569
Median household income$55,417$76,755$72,639
Median age46.942.537.2
Median home value$50,000$164,100$203,400
Bachelor’s degree or higher13.1%24.3%35.2%
Foreign-born residents3.8%1.2%7.2%
Owner-occupied homes74.8%78.0%66.9%
Mean commute to work24.1 minutes24.0 minutes19.8 minutes

Source: American Community Survey 5-year data profile 2019–2023, place level, state 20, retrieved November 14, 2026.

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Schools

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Frequently asked about DelphosPromoted from questions people asked

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Nearby towns

Other towns in Ottawa County

All towns in Ottawa County