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CITY · 2000 CENSUS

Adelphi

Ohio · 371 residents · 0.27 sq mi
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The short version

Adelphi is home to 371 people in Ohio. Four-year degrees are less common here than nationally, at 0% of adults. 81% of homes are owner-occupied. The typical home is worth $67,700, having more than doubled since 1990. Getting to work takes 25 minutes on average. Households here earn about 19% less than in Ohio as a whole.

At a glance
Lower income
below the US median
US median: $42,589
Older
median age 37.5
US median: 35.2
Less educated
0% hold a bachelor's degree
US average: 24%
Less affordable
home values up 51%, inflation adjusted
US median home: $120,530
Section 01

Population & growth

371
−5%since 1990
from 390 in 1990
1990 – 2025
37.5
+15%since 1990
from 32.6 in 1990
US average: 35.2
Land area
0.27 sq mi
Population, 19902024
22026931836641519902000201020202024Adelphi
2024316
1990201020202024
Age distribution, 2000
Under 56.5%(24)
US avg: 6.8%
5 to 98.6%(32)
US avg: 7.3%
10 to 145.1%(19)
US avg: 7.3%
15 to 194.6%(17)
US avg: 7.2%
20 to 247.3%(27)
US avg: 6.7%
25 to 3414%(52)
US avg: 14.2%
35 to 4414.8%(55)
US avg: 16%
45 to 5411.9%(44)
US avg: 13.4%
55 to 6413.5%(50)
US avg: 8.6%
65 to 747.8%(29)
US avg: 6.5%
75 to 844.3%(16)
US avg: 4.4%
85 and over1.6%(6)
US avg: 1.5%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02

Income & economy

$33,125
+29%inflation adjusted, since 1990
from $19,432 in 1990
US average: $42,589
1990 – 2024
$14,657
+58%since 1990
from $9,264 in 1990
US average: $21,522
13.6%
−9.4 ptssince 1990
from 23.1% in 1990
US average: 12.4%
Section 03

Housing

$67,700
+51%inflation adjusted, since 1990
from $34,100 in 1990
US average: $120,530
1990 – 2024
$413
−12%inflation adjusted, since 1990
from $358 in 1990
US average: $602
80.8%
+7.3 ptssince 1990
from 73.5% in 1990
19.2% rent
Section 04

Race & ethnicity

1990
White, non-Hispanic100%(390)
Black0%(0)
Hispanic / Latino1%(4)
Asian0%(0)
2000
White, non-Hispanic95.7%(355)
Black3%(11)
Hispanic / Latino0.5%(2)
Asian0%(0)

No data for the years selected.

Section 04 · Origins

Detailed origins & ancestry

Detailed origin tables are available for 2024; showing 2024 data.

Asian origin
Korean1.9%(6)
Ancestry
German30.1%(95)
Irish17.7%(56)
Italian5.7%(18)
English2.5%(8)
American2.2%(7)
Dutch1.6%(5)
Section 05

Education

0.4%
+0.4 ptssince 1990
from 0.0% in 1990
US average: 24.4%
High school or higher
66.1%
+4.4 ptssince 1990
from 61.8% in 1990
US average: 80.3%
0.4%
+0.4 ptssince 1990
from 0.0% in 1990
US average: 8.8%
Section 06

Commute & transportation

25.2 min
−18%since 1990
from 30.8 min in 1990
US average: 17.6
Section 07

Work & employment

No data for the years selected.

Section 08

People & community

No data for the years selected.

Marital status
Men 15+
Never married31.6%(48)
Married57.9%(88)
Widowed3.3%(5)
Divorced7.2%(11)
Women 15+
Never married16.3%(24)
Married61.2%(90)
Widowed15.6%(23)
Divorced6.8%(10)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2000
Section 09

Health coverage

Showing 2024 (the nearest year with coverage data).

0.3%
−11.4 ptssince 2013
from 11.7% in 2013
US average: 8.4%
44.0%
−4.2 ptssince 2020
from 48.2% in 2020
US average: 54.8%
Direct-purchase
11.1%
+4.1 ptssince 2020
from 7.0% in 2020
US average: 13.8%
25.9%
+10.3 ptssince 2020
from 15.6% in 2020
US average: 18.4%
34.8%
−4.6 ptssince 2020
from 39.4% in 2020
US average: 20.9%
VA health care
9.2%
+0.8 ptssince 2020
from 8.4% in 2020
US average: 2.2%
Any private
63.9%
+2.2 ptssince 2020
from 61.7% in 2020
US average: 67.1%
Any public
56.0%
+2.1 ptssince 2020
from 53.9% in 2020
US average: 36.7%

Shares are "alone or in combination": a person with both Medicare and Medicaid counts in each, so categories overlap and do not sum to 100%.

Section 09 · Service history

Veterans

Veterans by period of service, 2024
Gulf War (2001 or later)50%(6)
US avg: 26.4%
Gulf War (1990s)0%(0)
US avg: 24.3%
Vietnam era0%(0)
US avg: 33.1%
Korean War0%(0)
US avg: 4.5%
World War II0%(0)
US avg: 1%

Share of the 12 veterans here. A veteran who served across eras counts in each, so shares can total more than 100%. Peacetime-only service is included in the total but not shown as an era.

BAR + DOT: THIS PLACE · TICK: US AVERAGE
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Frequently asked

How many people live in Adelphi, Ohio?

Adelphi, Ohio has about 371 residents according to the 2000 Census.

What is the median household income in Adelphi, Ohio?

The typical household in Adelphi, Ohio earns about $33,125 a year. Half of households make more than that, and half make less.

Is Adelphi, Ohio expensive?

In Adelphi, Ohio, the median home is worth about $67,700, and the typical rent is about $413 a month.

How educated are people in Adelphi, Ohio?

About 0.4% of adults age 25 and over in Adelphi, Ohio hold a bachelor's degree or higher.

What is the poverty rate in Adelphi, Ohio?

About 13.6% of people in Adelphi, Ohio live below the federal poverty line.

Has Adelphi, Ohio grown since 1990?

Yes, Adelphi, Ohio has shrunk since 1990. The population has lost about 19 residents, a change of about -5 percent over that period.

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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

How we source and harmonize this data →