St. David, IL

Village in Fulton County, IL, US

By Neilsberg Research

Last updated May 1, 2026

Key Indicators

A quick look at key numbers

Population

383

Source: U.S. Census Bureau American Community Survey (ACS) 2020-2024 5-Year Estimates

Median Age

37.8

years ∙ half population younger than 37.8, half older

Diversity Index

9.1%

chance two random people differ in race and ethnicity

Nativity

3.7%

foreign-born population

96.3%Native

3.7% Foreign-born

Geographic Context

Location, size, and surroundings

About

St. David is a village within Fulton County, Illinois, United States.

Location

Village in Fulton County, IL, US

Co-ordinates

DEC40.491985° N, 90.052463° W

DMS40° 29′ 31.15″ N, 90° 03′ 08.87″ W

Population Density & area

1,186/sq mi (457.6/km²)

Total Area

0.323 sq mi (0.837 km²)

Land Area

0.323 sq mi (0.837 km²) · 100%

Water Area

0 sq mi (0 km²) · 0%

Demographics & Living

Who lives here, how households are formed, and community composition

Population Composition

Key characteristics of the population

Sex Distribution

54% male

Male 54%

Female 46%

males per 100 females

St. David 117.6

Fulton County 109.2

Illinois 97.7

Nativity

3.7%

foreign-born population

96.3%Native

3.7% Foreign-born

% Foreign-born

St. David 3.7%

Fulton County 1.2%

Illinois 14.7%

Age Distribution

How the population is spread across age groups

Median Age

37.8

years ∙ half population younger than 37.8, half older

St. David

37.8

Fulton County

43.9

Illinois

Dependency ratio

85.9

dependents per 100 working-age adults

St. David 85.9

Fulton County 69.5

Illinois 63.5

AGE DISTRIBUTION

Distribution of age group

Median age

	St. David	Fulton County	Illinois
Age Group
Children (Under 18)	22.2%	19.5%	21.8%
Working age (18-64)	53.8%	59%	61.2%
Senior (65+)	24%	21.5%	17%
Dependency ratio
Total dependency ratio	85.9	69.5	63.5
Child dependency ratio	41.3	33.1	35.7
Old-age dependency ratio	44.7	36.4	27.8

Racial & Ethnic Composition

Racial and ethnic makeup and how it compares

Race & Ethnicity

White

95.3%

Black

Asian

1.6%

Hispanic

1.6%

Other

1.5%

Note: White, Black, and Asian refer to individuals belonging to a single race and not of Hispanic origin. Hispanics may be of any race.

Diversity Index

9.1%

chance two random people differ in race and ethnicity

St. David 9.1%

Fulton County 15.7%

Illinois 60.5%

Note: The Diversity Index (DI), based on the Blau Index, measures the probability that two randomly selected individuals differ in race and ethnicity. Values range from 0 (no diversity) to 1 (high diversity) and are shown as percentages.

RACIAL & ETHNIC COMPOSITION

Race & Ethnicity

Percentage of St. David population

	St. David	Fulton County	Illinois
Hispanic or Latino	1.6%	2.5%	18.8%
Mexican	0%	2%	14.4%
Puerto Rican	0%	0.2%	1.6%
Cuban	0%	0.1%	0.3%
Other Hispanic / Latino	1.6%	0.2%	2.5%
Not Hispanic or Latino	98.4%	97.5%	81.2%
One race	96.8%	95.4%	77.8%
White	95.3%	91.7%	58.1%
Black or African American	0%	2.8%	13.3%
American Indian and Alaska Native	0%	0.3%	0.1%
Asian	1.6%	0.3%	5.9%
Native Hawaiian and Other Pacific Islander	0%	0%	0%
Some Other Race	0%	0.2%	0.4%
Two or more races (Multiracial)	1.6%	2.1%	3.4%

Household & Families Composition

Household size, type, and family structure

Household structure

54.4% family

Family 54.4%

Non family 45.6%

% family households

St. David 54.4%

Fulton County 62.8%

Illinois 62.2%

Average household size

2.13

persons per household

St. David

2.13

Fulton County

2.24

Illinois

2.46

Household & Family COMPOSITION

Households

Percentage of St. David population

	St. David	Fulton County	Illinois
Total households	180	13,795	5,036,449
Average houshold size	2.13	2.24	2.46
Family households	98	8,662	3,130,978
Average family size	2.83	2.78	3.14
Married couple family	69	6,498	2,282,435
Other families	29	2,164	848,543
Male householder	7	726	248,521
Female householder	22	1,438	600,022
Non-family households	82	5,133	1,905,471
One-person households	73	4,375	1,569,881
Male householder	49	2,017	712,191
Senior (65+) living alone	32	660	210,051
Female householder	24	2,358	857,690
Senior (65+) living alone	11	1,336	417,870
Other living arrangements	9	758	335,590

Housing Profile

Housing stock, ownership, rentals, and cost burdens

Total housing units

210

housing units

St. David 210

Fulton County 15,848

Illinois 5,457,452

Occupancy status

85.7% occupied

Occupied 85.7%

Vacant 14.3%

vacancy rate

St. David 14.3%

Fulton County 13%

Illinois 7.7%

Housing Characteristics

How the housing supply is structured and used

Types of Housing unit

95.3%

Single family houses

95.3%

Apartments in multi-unit structures

Mobile homes

3.8%

Boat, RV, van, etc

Median Year Built

1947

Half of houses were built before 1947, and half after.

Historic ∙ 1939 or earlier

37.1%

Postwar & mid-century ∙ 1940 - 1969

34.3%

Late 20th century ∙ 1970 - 1999

25.2%

Modern ∙ 2000 or later

3.3%

Note: Median year built reflects occupied units only; distribution includes all units.

Housing Characteristics

Units, rooms & bedrooms

Physical characteristics of housing units

	St. David	Fulton County	Illinois
Rooms per unit
Median rooms	5.6	5.8	5.6
1–3 rooms	7.6%	7.4%	14.6%
4–6 rooms	73.8%	57.4%	50.9%
7+ rooms	18.6%	35.5%	34.6%
Bedrooms
No bedroom / studio	2.4%	0.4%	3.1%
1 bedroom	10.5%	8.8%	11.5%
2 bedrooms	38.1%	32.7%	27.7%
3 bedrooms	42.4%	41.6%	35.8%
4+ bedrooms	6.7%	16.5%	21.7%
At a glance
Median year built	1947	1960	1971
Total housing units	210	15,848	5,457,452

Occupancy Profile

Who is inside and how they use it

Homeownership

95% owners

Renter-occupied 5%

Owner-occupied 95%

homeownership rate

St. David 95%

Fulton County 76.6%

Illinois 67.1%

Average household size

2.08

Owner-occupied

Renter-occupied

owner-occupied average size

St. David 2.08

Fulton County 2.27

Illinois 2.62

Housing Characteristics

Occupied unit characteristics

Tenure, crowding, and utilities

	St. David	Fulton County	Illinois
Total occupied units	180	13,795	5,036,449
Year moved in
2020 or later	13.9%	17.3%	23.3%
2010 to 2019	30%	34.5%	38.1%
2000 to 2009	18.3%	21.1%	17.3%
1999 or earlier	37.8%	27.1%	21.3%
Occupants per room
1.00 or fewer	97.8%	99.3%	97.5%
1.01 to 1.50	2.2%	0.3%	1.6%
1.51 or more	0%	0.3%	0.8%
Vehicles availability
No vehicles	0.6%	5.3%	11%
1 vehicle	41.7%	31.8%	35.7%
2 vehicles	41.7%	38.6%	35.1%
3 or more vehicles	16.1%	24.3%	18.3%
House heating fuel used
Gas	83.9%	77.3%	79.5%
Electricity	16.1%	20.1%	18.6%
Solar	0%	0%	0.1%
Fuel oil, kerosene etc	0%	0.1%	0.1%
All other fuels	0%	1.8%	0.8%
No fuel used	0%	0.6%	0.8%
Selected characteristics
Lacking complete plumbing	0%	0%	0.3%
Lacking complete kitchen	0%	0.7%	0.8%
No telephone service available	1.1%	0.6%	0.8%

Housing Value

What owner-occupied units are worth

Median home value

$65,400

owner-occupied units

Median value(USD)

St. David

$65,400

Fulton County

$107,200

Illinois

$263,300

Housing Cost Burden

26.1%

of homeowners with a mortgage are cost-burdened

% Cost-Burdened Households

Owners with a mortgage

26.1%

Owners without a mortgage

14.4%

Renters

50%

Note: Households spending 30% or more of their income on housing costs are considered cost-burdened.

Financial characteristics

Property value and housing costs

Tenure, crowding, and utilities

	St. David	Fulton County	Illinois
Property value
Median Value	$65,400	$107,200	$263,300
Under $100,000	84.8%	46.1%	13.7%
$100,000 - $200,000	12.9%	32.2%	21.5%
$200,000 - $300,000	0%	11.7%	22.3%
$300,000 - $500,000	2.3%	8.1%	27.7%
$500,000 - $1,000,000	0%	1.4%	12.1%
$1,000,000 and more	0%	0.5%	2.7%
Owner-occupied households
With a mortgage	51.5%	47.3%	60.8%
Without a mortgage	48.5%	52.7%	39.2%
Median monthly owner costs
With a mortgage	$844	$1,253	$1,987
Without a mortgage	$474	$559	$792
Gross rent
Median rent	$1,125	$785	$1,274

Education Profile

How educated is the community and how education pays off

Adults with a college degree

14.3%

of adults 25+ with a bachelor's degree or higher

St. David 14.3%

Fulton County 18.5%

Illinois 37.8%

Adults without a high school diploma

14.3%

of adults (25+) without a high school diploma

St. David 14.3%

Fulton County 9.4%

Illinois 9.6%

School Enrollment

Who is enrolled in school and at what level

School enrollment

population (age 3+) enrolled in school

Nursery / Preschool

14.9%

K–12

74.6%

College / Undergraduate

10.4%

Graduate / Professional

College-going rate (18-24 yr olds)

21.9%

of 18-24-year-olds in college or graduate school

St. David

21.9%

Fulton County

20.5%

Illinois

41.4%

Enrollment & school type

Enrollment levels, college-going rate, and public vs private school split

Population 3+ currently enrolled in a school

	St. David	Fulton County	Illinois
Total enrolled (age 3+)	67	6,913	3,051,569
Nursery / preschool	14.9%	7%	6.3%
K–12	74.6%	74.4%	67.3%
Kindergarten	17.9%	6.3%	4.9%
Elementary: Grades 1–4	16.4%	22.1%	19.5%
Elementary: Grades 5–8	19.4%	22.4%	20.8%
High School: Grades 9–12	20.9%	23.5%	22.1%
College or graduate school	10.4%	18.6%	26.4%
College, undergraduate	10.4%	14.1%	19.8%
Graduate, professional school	0%	4.5%	6.6%
College-going rate · 18-24 yr olds	21.9%	20.5%	41.4%
School type
Public school	94%	91.9%	80.5%
Private school	6%	8.1%	19.5%

Education Attainment by Level & Gender

What is the highest level of education completed among adults

Education attainment

266

population 25 years and over

Total adults (25+)

Less than 9th grade

9th-12th, no diploma

14.3%

HS graduate

33.5%

Some college no degree

28.9%

Associates degree

Bachelors degree

7.9%

Graduate or professional degree

6.4%

Attainment by gender

Male vs Female

Adults (25+) · Share within each education level

* The Census Bureau did not publish education attainment by gender data for St. David due to an insufficient sample size to produce reliable estimates.

% male · % female

Less than 9th grade

—% · —%

9th-12th, no diploma

50% · 50%

HS graduate

67.4% · 32.6%

Some college no degree

55.8% · 44.2%

Associates degree

37.5% · 62.5%

Bachelors degree

42.9% · 57.1%

Graduate or professional degree

17.6% · 82.4%

Educational Attainment Overview

Distribution and key education attainment rates for adults (25+)

Highest credential completed · adults 25+

	St. David	Fulton County	Illinois
Population (25+)	266	24,116	8,767,004
Less than 9th grade	0%	1.5%	4.6%
9th–12th, no diploma	14.3%	7.9%	5%
High school diploma or GED	33.5%	37.3%	25.1%
Some college, no degree	28.9%	22.6%	19.2%
Associate's degree	9%	12.2%	8.3%
Bachelor's degree or higher	14.3%	18.5%	37.8%
Bachelor's degree	7.9%	12.4%	22.6%
Graduate or professional	6.4%	6%	15.3%
High School or higher	85.7%	90.6%	90.5%

Earnings by education level

percentage as applicable

Median Earnings

$45,750

Median earnings for adults 25+, by level

Less than HS graduate

$36,125

HS graduate

$33,929

Some college or associates

$44,500

Bachelors degree

$53,281

Graduate or professional degree

$63,750

Poverty Rate

for ages 25+, with bachelors degree or higher

Less than HS graduate

31.6%

HS graduate

27%

Some college or associates

13.9%

Bachelors degree or higher

Outcomes by Education Level

Earnings and poverty rates across education levels (25+)

Adults 25+

	St. David	Fulton County	Illinois
Median earnings
Population 25+, with earnings	$45,750	$41,708	$55,582
Less than high school graduate	$36,125	$18,664	$34,655
High school graduate (includes equivalency)	$33,929	$36,576	$40,965
Some college or associate's degree	$44,500	$44,620	$47,813
Bachelor's degree	$53,281	$50,000	$73,326
Graduate or professional degree	$63,750	$69,940	$91,623
Poverty rates
Less than high school graduate	31.6%	28.7%	21.6%
High school graduate (includes equivalency)	27%	13.1%	14.4%
Some college or associate's degree	13.9%	8.7%	9.9%
Bachelor's degree or higher	0%	6%	4.5%

Insights for St. David, by topic

Income By year By race By age By gender

Population By year By race By age By gender

About Neilsberg Research

Neilsberg Research team are data scientists with expertise in processing, analysis and visualization of big data helping small businesses make right decisions.

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