St. Paul, IA

City in Lee County, IA, US

By Neilsberg Research

Last updated May 1, 2026

Key Indicators

A quick look at key numbers

Population

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

Median Age

40.3

years ∙ half population younger than 40.3, half older

Diversity Index

chance two random people differ in race and ethnicity

Nativity

foreign-born population

100%Native

0% Foreign-born

Geographic Context

Location, size, and surroundings

About

St. Paul is a city within Lee County, Iowa, United States.

Location

City in Lee County, IA, US

Co-ordinates

DEC40.767847° N, 91.516424° W

DMS40° 46′ 04.25″ N, 91° 30′ 59.13″ W

Population Density & area

170.6/sq mi (65.99/km²)

Total Area

0.381 sq mi (0.985 km²)

Land Area

0.381 sq mi (0.985 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

35.4% male

Male 35.4%

Female 64.6%

males per 100 females

St. Paul 54.8

Lee County 100.7

Iowa 100.6

Nativity

foreign-born population

100%Native

0% Foreign-born

% Foreign-born

St. Paul 0%

Lee County 1.9%

Iowa 5.9%

Age Distribution

How the population is spread across age groups

Median Age

40.3

years ∙ half population younger than 40.3, half older

St. Paul

40.3

Lee County

43.6

Iowa

38.6

Dependency ratio

58.5

dependents per 100 working-age adults

St. Paul 58.5

Lee County 76.9

Iowa 69.6

AGE DISTRIBUTION

Distribution of age group

Median age

	St. Paul	Lee County	Iowa
Age Group
Children (Under 18)	21.5%	21.2%	22.9%
Working age (18-64)	63.1%	56.6%	59%
Senior (65+)	15.4%	22.2%	18.1%
Dependency ratio
Total dependency ratio	58.5	76.9	69.6
Child dependency ratio	34.1	37.6	38.8
Old-age dependency ratio	24.4	39.3	30.7

Racial & Ethnic Composition

Racial and ethnic makeup and how it compares

Race & Ethnicity

White

100%

Black

Asian

Hispanic

Other

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

chance two random people differ in race and ethnicity

St. Paul 0%

Lee County 18.2%

Iowa 31.4%

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. Paul population

	St. Paul	Lee County	Iowa
Hispanic or Latino	0%	3.5%	7.3%
Mexican	0%	2.8%	5%
Puerto Rican	0%	0%	0.3%
Cuban	0%	0.1%	0.1%
Other Hispanic / Latino	0%	0.6%	1.8%
Not Hispanic or Latino	100%	96.5%	92.7%
One race	100%	93.5%	89.2%
White	100%	90.3%	82.3%
Black or African American	0%	2.4%	3.8%
American Indian and Alaska Native	0%	0.1%	0.2%
Asian	0%	0.6%	2.5%
Native Hawaiian and Other Pacific Islander	0%	0.1%	0.2%
Some Other Race	0%	0.1%	0.3%
Two or more races (Multiracial)	0%	3%	3.5%

Household & Families Composition

Household size, type, and family structure

Household structure

73.5% family

Family 73.5%

Non family 26.5%

% family households

St. Paul 73.5%

Lee County 61.9%

Iowa 61.6%

Average household size

1.91

persons per household

St. Paul

1.91

Lee County

2.21

Iowa

2.36

Household & Family COMPOSITION

Households

Percentage of St. Paul population

	St. Paul	Lee County	Iowa
Total households	34	14,323	1,315,707
Average houshold size	1.91	2.21	2.36
Family households	25	8,860	809,836
Average family size	2.2	2.75	2.98
Married couple family	15	6,292	635,347
Other families	10	2,568	174,489
Male householder	2	912	56,457
Female householder	8	1,656	118,032
Non-family households	9	5,463	505,871
One-person households	9	4,667	406,436
Male householder	2	2,378	193,582
Senior (65+) living alone	1	913	58,028
Female householder	7	2,289	212,854
Senior (65+) living alone	1	1,389	111,645
Other living arrangements	0	796	99,435

Housing Profile

Housing stock, ownership, rentals, and cost burdens

Total housing units

housing units

St. Paul 48

Lee County 15,794

Iowa 1,437,699

Occupancy status

70.8% occupied

Occupied 70.8%

Vacant 29.2%

vacancy rate

St. Paul 29.2%

Lee County 9.3%

Iowa 8.5%

Housing Characteristics

How the housing supply is structured and used

Types of Housing unit

70.8%

Single family houses

70.8%

Apartments in multi-unit structures

29.2%

Mobile homes

Boat, RV, van, etc

Median Year Built

1963

Half of houses were built before 1963, and half after.

Historic ∙ 1939 or earlier

6.3%

Postwar & mid-century ∙ 1940 - 1969

37.5%

Late 20th century ∙ 1970 - 1999

54.2%

Modern ∙ 2000 or later

2.1%

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

Housing Characteristics

Units, rooms & bedrooms

Physical characteristics of housing units

	St. Paul	Lee County	Iowa
Rooms per unit
Median rooms	4.4	6	5.9
1–3 rooms	25%	9.2%	11.8%
4–6 rooms	52.1%	51.8%	47.4%
7+ rooms	22.9%	39%	40.7%
Bedrooms
No bedroom / studio	0%	2%	1.7%
1 bedroom	0%	9%	9.2%
2 bedrooms	62.5%	28.7%	27%
3 bedrooms	35.4%	41.2%	37.3%
4+ bedrooms	2.1%	19%	24.7%
At a glance
Median year built	1963	1962	1972
Total housing units	48	15,794	1,437,699

Occupancy Profile

Who is inside and how they use it

Homeownership

97.1% owners

Renter-occupied 2.9%

Owner-occupied 97.1%

homeownership rate

St. Paul 97.1%

Lee County 76.3%

Iowa 71.7%

Average household size

1.91

Owner-occupied

Renter-occupied

owner-occupied average size

St. Paul 1.91

Lee County 2.29

Iowa 2.5

Housing Characteristics

Occupied unit characteristics

Tenure, crowding, and utilities

	St. Paul	Lee County	Iowa
Total occupied units	34	14,323	1,315,707
Year moved in
2020 or later	29.4%	20.3%	24.3%
2010 to 2019	32.4%	35.7%	38.7%
2000 to 2009	2.9%	18%	16.4%
1999 or earlier	35.2%	26%	20.7%
Occupants per room
1.00 or fewer	100%	99.5%	98.4%
1.01 to 1.50	0%	0.3%	1.1%
1.51 or more	0%	0.2%	0.5%
Vehicles availability
No vehicles	0%	5%	5.4%
1 vehicle	23.5%	29.4%	30.5%
2 vehicles	52.9%	36.4%	37.8%
3 or more vehicles	23.5%	29.2%	26.3%
House heating fuel used
Gas	76.4%	67.3%	72.8%
Electricity	20.6%	29.1%	24.4%
Solar	0%	0.1%	0.1%
Fuel oil, kerosene etc	0%	0%	0.3%
All other fuels	2.9%	1.9%	1.8%
No fuel used	0%	1.6%	0.6%
Selected characteristics
Lacking complete plumbing	0%	0.6%	0.3%
Lacking complete kitchen	0%	1%	0.8%
No telephone service available	5.9%	1.2%	0.8%

Housing Value

What owner-occupied units are worth

Median home value

$140,600

owner-occupied units

Median value(USD)

St. Paul

$140,600

Lee County

$141,400

Iowa

$208,000

Housing Cost Burden

20%

of homeowners with a mortgage are cost-burdened

% Cost-Burdened Households

Owners with a mortgage

20%

Owners without a mortgage

11.2%

Renters

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. Paul	Lee County	Iowa
Property value
Median Value	$140,600	$141,400	$208,000
Under $100,000	42.4%	36.1%	17.8%
$100,000 - $200,000	39.4%	32.4%	30%
$200,000 - $300,000	15.2%	18.3%	23.1%
$300,000 - $500,000	3%	9.6%	21.3%
$500,000 - $1,000,000	0%	3.1%	6.8%
$1,000,000 and more	0%	0.5%	1.1%
Owner-occupied households
With a mortgage	45.5%	51.4%	59.4%
Without a mortgage	54.5%	48.6%	40.6%
Median monthly owner costs
With a mortgage	$1,396	$1,303	$1,533
Without a mortgage	$400	$535	$616
Gross rent
Median rent	$—	$835	$972

Education Profile

How educated is the community and how education pays off

Adults with a college degree

40.4%

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

St. Paul 40.4%

Lee County 21.7%

Iowa 31.4%

Adults without a high school diploma

of adults (25+) without a high school diploma

St. Paul 0%

Lee County 7.5%

Iowa 6.7%

School Enrollment

Who is enrolled in school and at what level

School enrollment

population (age 3+) enrolled in school

Nursery / Preschool

K–12

92.9%

College / Undergraduate

7.1%

Graduate / Professional

College-going rate (18-24 yr olds)

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

St. Paul

Lee County

16.7%

Iowa

42.3%

Enrollment & school type

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

Population 3+ currently enrolled in a school

	St. Paul	Lee County	Iowa
Total enrolled (age 3+)	14	6,513	784,322
Nursery / preschool	0%	6.8%	6.2%
K–12	92.9%	78.4%	68.4%
Kindergarten	0%	6.6%	5.2%
Elementary: Grades 1–4	42.9%	26.5%	20.3%
Elementary: Grades 5–8	21.4%	23.5%	21.3%
High School: Grades 9–12	28.6%	21.8%	21.6%
College or graduate school	7.1%	14.8%	25.4%
College, undergraduate	7.1%	12.1%	20.8%
Graduate, professional school	0%	2.7%	4.6%
College-going rate · 18-24 yr olds	0%	16.7%	42.3%
School type
Public school	42.9%	83%	84.4%
Private school	57.1%	17%	15.6%

Education Attainment by Level & Gender

What is the highest level of education completed among adults

Education attainment

population 25 years and over

Total adults (25+)

Less than 9th grade

9th-12th, no diploma

HS graduate

31.9%

Some college no degree

4.3%

Associates degree

23.4%

Bachelors degree

38.3%

Graduate or professional degree

2.1%

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. Paul due to an insufficient sample size to produce reliable estimates.

% male · % female

Less than 9th grade

—% · —%

9th-12th, no diploma

—% · —%

HS graduate

53.3% · 46.7%

Some college no degree

100% · 0%

Associates degree

63.6% · 36.4%

Bachelors degree

0% · 100%

Graduate or professional degree

0% · 100%

Educational Attainment Overview

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

Highest credential completed · adults 25+

	St. Paul	Lee County	Iowa
Population (25+)	47	23,621	2,154,149
Less than 9th grade	0%	2.7%	2.7%
9th–12th, no diploma	0%	4.8%	4%
High school diploma or GED	31.9%	35.3%	30%
Some college, no degree	4.3%	21.2%	19.7%
Associate's degree	23.4%	14.2%	12.1%
Bachelor's degree or higher	40.4%	21.7%	31.4%
Bachelor's degree	38.3%	15.1%	20.9%
Graduate or professional	2.1%	6.5%	10.5%
High School or higher	100%	92.5%	93.3%

Earnings by education level

percentage as applicable

Median Earnings

$46,875

Median earnings for adults 25+, by level

Less than HS graduate

$—

HS graduate

$—

Some college or associates

$56,875

Bachelors degree

$45,417

Graduate or professional degree

$—

Poverty Rate

for ages 25+, with bachelors degree or higher

Less than HS graduate

—%

HS graduate

Some college or associates

Bachelors degree or higher

Outcomes by Education Level

Earnings and poverty rates across education levels (25+)

Adults 25+

	St. Paul	Lee County	Iowa
Median earnings
Population 25+, with earnings	$46,875	$46,200	$51,106
Less than high school graduate	$—	$41,915	$35,996
High school graduate (includes equivalency)	$—	$37,833	$41,528
Some college or associate's degree	$56,875	$41,854	$47,635
Bachelor's degree	$45,417	$58,664	$62,744
Graduate or professional degree	$—	$76,250	$80,022
Poverty rates
Less than high school graduate	—%	25.5%	21.5%
High school graduate (includes equivalency)	0%	14.7%	12.4%
Some college or associate's degree	0%	9.6%	8.1%
Bachelor's degree or higher	0%	5.3%	3.8%

Insights for St. Paul, 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.

Cite this page

Citation style

Url to be used as reference

This article is for informational purposes only and is not intended to be legal or tax advice. We recommend that you consult with a qualified professional such as a lawyer or accountant before making a decision. Many of the products and services featured here are from our affiliate partners. We may receive commissions on purchases made from our chosen links. Read advertiser disclosure.