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Delphos, Ohio

City in Allen County, Ohio · ZIP 45833

  • Allen County
  • Within Marion Township
  • Census data · ACS 2019-2023
  • 4 public schools
  • 7,074 (2024 estimate)Population
  • 3,106Households
  • $58,359Median household income
  • $125,400Median home value
  • 4Public schools
  • 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+2.5%
6.9k7k7.1k7.2k2000: 6,94420002010: 7,10120102020: 7,11720206,9447,117
Population of Delphos at each census
CensusPopulation
20006,944
20107,101
20207,117

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 39, retrieved November 14, 2026; Census 2010 Summary File 1: total population, place level, state 39, retrieved November 14, 2026; Census 2020 Redistricting Data (P.L. 94-171): total population, place level, state 39, retrieved November 14, 2026.

Household income in Delphos
Under $50k40.4%
$50k to $100k36.9%
$100k to $150k13.5%
$150k to $200k7.6%
$200k and over1.7%

Median household income $58,359 · 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 39, retrieved November 14, 2026.

Housing tenure in Delphos
Owner occupied
2,193 units
Renter occupied
913 units
Vacancy rate
5.7%

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 39, retrieved November 14, 2026.

Delphos compared with its county and state
Delphos compared with its county and state, American Community Survey 2019-2023
MeasureDelphosAllen CountyOhio
Population7,063101,68511,780,046
Median household income$58,359$62,001$69,680
Median age40.039.739.6
Median home value$125,400$158,400$199,200
Bachelor’s degree or higher21.1%19.9%30.9%
Foreign-born residents1.3%1.9%5.0%
Owner-occupied homes70.6%68.3%67.0%
Mean commute to work22.5 minutes18.8 minutes23.6 minutes

Source: American Community Survey 5-year data profile 2019–2023, place level, state 39, retrieved November 14, 2026.

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Schools

Public schools in Delphos4
Public schools in Delphos, NCES directory 2023–2024
SchoolTypeGradesDistrict
Delphos City Schools (Preschool)PublicPre-KDelphos City
Franklin Elementary SchoolPublicK–4Delphos City
Jefferson Middle SchoolPublic5–8Delphos City
Jefferson High SchoolPublic6–12Delphos City

Open public schools in the NCES directory for 2023–2024, placed by their listed location; private schools are not in the source. Enrollment and ratings are not shown.

Sources: NCES Common Core of Data, public school directory 2023–2024, retrieved November 14, 2026; NCES EDGE public school geocodes 2024–2025, retrieved November 14, 2026.

Frequently asked about DelphosPromoted from questions people asked

No question about Delphos has been asked often enough to publish an answer yet. Ask Delphos and the answer, once a person checks it, appears here.

Nearby towns

Other towns in Allen County

All towns in Allen County