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Columbus City, IA
Key Indicators
A quick look at key numbers
Population
323
Source: U.S. Census Bureau American Community Survey (ACS) 2020-2024 5-Year Estimates
Median Age
46.8
years ∙ half population younger than 46.8, half older
Diversity Index
49.6%
chance two random people differ in race and ethnicity
Nativity
25.1%
foreign-born population
Geographic Context
Location, size, and surroundings
About
Columbus City is a city within Louisa County, Iowa, United States.
Co-ordinates
DEC41.259178° N, 91.374738° W
DMS41° 15′ 33.04″ N, 91° 22′ 29.06″ W
Population Density & area
1,346/sq mi
(518.5/km²)
Demographics & Living
Who lives here, how households are formed, and community composition
Population Composition
Key characteristics of the population
Sex Distribution
56.3%
male
Male
56.3%
Female
43.7%
males per 100 females
Columbus City
129.1
Louisa County
101.7
Iowa
100.6
Nativity
25.1%
foreign-born population
% Foreign-born
Columbus City
25.1%
Louisa County
9.4%
Iowa
5.9%
Age Distribution
How the population is spread across age groups
Median Age
46.8
years ∙ half population younger than 46.8, half older
Dependency ratio
68.2
dependents per 100 working-age adults
Columbus City
68.2
Louisa County
72.6
Iowa
69.6
AGE DISTRIBUTION
Distribution of age group
Median age
| Columbus City | Louisa County | Iowa | |
|---|---|---|---|
| Age Group | |||
| Children (Under 18) | 19.8% | 22% | 22.9% |
| Working age (18-64) | 59.5% | 57.9% | 59% |
| Senior (65+) | 20.7% | 20.1% | 18.1% |
| Dependency ratio | |||
| Total dependency ratio | 68.2 | 72.6 | 69.6 |
| Child dependency ratio | 33.3 | 37.9 | 38.8 |
| Old-age dependency ratio | 34.9 | 34.7 | 30.7 |
Racial & Ethnic Composition
Racial and ethnic makeup and how it compares
Race & Ethnicity
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
49.6%
chance two random people differ in race and ethnicity
Columbus City
49.6%
Louisa County
37.8%
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 Columbus City population
| Columbus City | Louisa County | Iowa | |
|---|---|---|---|
| Hispanic or Latino | 54.2% | 16.4% | 7.3% |
| Mexican | 52.3% | 15.7% | 5% |
| Puerto Rican | 0% | 0.1% | 0.3% |
| Cuban | 0% | 0% | 0.1% |
| Other Hispanic / Latino | 1.9% | 0.6% | 1.8% |
| Not Hispanic or Latino | 45.8% | 83.6% | 92.7% |
| One race | 45.8% | 80.2% | 89.2% |
| White | 45.8% | 77% | 82.3% |
| Black or African American | 0% | 0.9% | 3.8% |
| American Indian and Alaska Native | 0% | 0.1% | 0.2% |
| Asian | 0% | 2.2% | 2.5% |
| Native Hawaiian and Other Pacific Islander | 0% | 0% | 0.2% |
| Some Other Race | 0% | 0% | 0.3% |
| Two or more races (Multiracial) | 0% | 3.4% | 3.5% |
Household & Families Composition
Household size, type, and family structure
Household structure
68.4%
family
Family
68.4%
Non family
31.6%
% family households
Columbus City
68.4%
Louisa County
72.8%
Iowa
61.6%
Average household size
2.43
persons per household
Household & Family COMPOSITION
Households
Percentage of Columbus City population
| Columbus City | Louisa County | Iowa | |
|---|---|---|---|
| Total households | 133 | 4,237 | 1,315,707 |
| Average houshold size | 2.43 | 2.49 | 2.36 |
| Family households | 91 | 3,085 | 809,836 |
| Average family size | 2.96 | 2.93 | 2.98 |
| Married couple family | 76 | 2,595 | 635,347 |
| Other families | 15 | 490 | 174,489 |
| Male householder | 4 | 134 | 56,457 |
| Female householder | 11 | 356 | 118,032 |
| Non-family households | 42 | 1,152 | 505,871 |
| One-person households | 35 | 972 | 406,436 |
| Male householder | 18 | 480 | 193,582 |
| Senior (65+) living alone | 7 | 143 | 58,028 |
| Female householder | 17 | 492 | 212,854 |
| Senior (65+) living alone | 10 | 302 | 111,645 |
| Other living arrangements | 7 | 180 | 99,435 |
Housing Profile
Housing stock, ownership, rentals, and cost burdens
Total housing units
135
housing units
Columbus City
135
Louisa County
4,739
Iowa
1,437,699
Occupancy status
98.5%
occupied
Occupied
98.5%
Vacant
1.5%
vacancy rate
Columbus City
1.5%
Louisa County
10.6%
Iowa
8.5%
Housing Characteristics
How the housing supply is structured and used
Types of Housing unit
73.3%
Single family houses
Median Year Built
1970
Half of houses were built before 1970, and half after.
Note: Median year built reflects occupied units only; distribution includes all units.
Housing Characteristics
Units, rooms & bedrooms
Physical characteristics of housing units
| Columbus City | Louisa County | Iowa | |
|---|---|---|---|
| Rooms per unit | |||
| Median rooms | 6 | 6 | 5.9 |
| 1–3 rooms | 0% | 7.3% | 11.8% |
| 4–6 rooms | 60% | 54% | 47.4% |
| 7+ rooms | 40% | 38.7% | 40.7% |
| Bedrooms | |||
| No bedroom / studio | 0% | 0.6% | 1.7% |
| 1 bedroom | 2.2% | 8.6% | 9.2% |
| 2 bedrooms | 15.6% | 25.4% | 27% |
| 3 bedrooms | 53.3% | 43.2% | 37.3% |
| 4+ bedrooms | 28.9% | 22.2% | 24.7% |
| At a glance | |||
| Median year built | 1970 | 1966 | 1972 |
| Total housing units | 135 | 4,739 | 1,437,699 |
Occupancy Profile
Who is inside and how they use it
Homeownership
97.7%
owners
Renter-occupied
2.3%
Owner-occupied
97.7%
homeownership rate
Columbus City
97.7%
Louisa County
80.3%
Iowa
71.7%
Average household size
2.43
Owner-occupied
2.33
Renter-occupied
owner-occupied average size
Columbus City
2.43
Louisa County
2.55
Iowa
2.5
Housing Characteristics
Occupied unit characteristics
Tenure, crowding, and utilities
| Columbus City | Louisa County | Iowa | |
|---|---|---|---|
| Total occupied units | 133 | 4,237 | 1,315,707 |
| Year moved in | |||
| 2020 or later | 9.1% | 15.8% | 24.3% |
| 2010 to 2019 | 39.1% | 34.8% | 38.7% |
| 2000 to 2009 | 18.8% | 19.1% | 16.4% |
| 1999 or earlier | 33.1% | 30.3% | 20.7% |
| Occupants per room | |||
| 1.00 or fewer | 100% | 98% | 98.4% |
| 1.01 to 1.50 | 0% | 1.2% | 1.1% |
| 1.51 or more | 0% | 0.8% | 0.5% |
| Vehicles availability | |||
| No vehicles | 10.5% | 5.5% | 5.4% |
| 1 vehicle | 13.5% | 19.6% | 30.5% |
| 2 vehicles | 38.3% | 34.6% | 37.8% |
| 3 or more vehicles | 37.6% | 40.3% | 26.3% |
| House heating fuel used | |||
| Gas | 80.4% | 72.9% | 72.8% |
| Electricity | 18% | 22% | 24.4% |
| Solar | 0% | 0.3% | 0.1% |
| Fuel oil, kerosene etc | 0% | 0.4% | 0.3% |
| All other fuels | 1.5% | 3.3% | 1.8% |
| No fuel used | 0% | 1% | 0.6% |
| Selected characteristics | |||
| Lacking complete plumbing | 0% | 0.9% | 0.3% |
| Lacking complete kitchen | 0% | 0.9% | 0.8% |
| No telephone service available | 0% | 0.2% | 0.8% |
Housing Value
What owner-occupied units are worth
Median home value
$111,600
owner-occupied units
Housing Cost Burden
10.9%
of homeowners with a mortgage are cost-burdened
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
| Columbus City | Louisa County | Iowa | |
|---|---|---|---|
| Property value | |||
| Median Value | $111,600 | $150,100 | $208,000 |
| Under $100,000 | 35.4% | 28.3% | 17.8% |
| $100,000 - $200,000 | 49.2% | 38.2% | 30% |
| $200,000 - $300,000 | 10.8% | 16.2% | 23.1% |
| $300,000 - $500,000 | 4.6% | 11.2% | 21.3% |
| $500,000 - $1,000,000 | 0% | 5.5% | 6.8% |
| $1,000,000 and more | 0% | 0.5% | 1.1% |
| Owner-occupied households | |||
| With a mortgage | 49.2% | 49.1% | 59.4% |
| Without a mortgage | 50.8% | 50.9% | 40.6% |
| Median monthly owner costs | |||
| With a mortgage | $1,163 | $1,291 | $1,533 |
| Without a mortgage | $518 | $523 | $616 |
| Gross rent | |||
| Median rent | $— | $775 | $972 |
Education Profile
How educated is the community and how education pays off
Adults with a college degree
4.8%
of adults 25+ with a bachelor's degree or higher
Columbus City
4.8%
Louisa County
16.8%
Iowa
31.4%
Adults without a high school diploma
25.6%
of adults (25+) without a high school diploma
Columbus City
25.6%
Louisa County
14.3%
Iowa
6.7%
School Enrollment
Who is enrolled in school and at what level
School enrollment
62
population (age 3+) enrolled in school
College-going rate (18-24 yr olds)
20.7%
of 18-24-year-olds in college or graduate school
Enrollment & school type
Enrollment levels, college-going rate, and public vs private school split
Population 3+ currently enrolled in a school
| Columbus City | Louisa County | Iowa | |
|---|---|---|---|
| Total enrolled (age 3+) | 62 | 2,232 | 784,322 |
| Nursery / preschool | 0% | 6.3% | 6.2% |
| K–12 | 79% | 76% | 68.4% |
| Kindergarten | 0% | 5.9% | 5.2% |
| Elementary: Grades 1–4 | 24.2% | 20.6% | 20.3% |
| Elementary: Grades 5–8 | 38.7% | 22.8% | 21.3% |
| High School: Grades 9–12 | 16.1% | 26.7% | 21.6% |
| College or graduate school | 21% | 17.7% | 25.4% |
| College, undergraduate | 21% | 15.1% | 20.8% |
| Graduate, professional school | 0% | 2.6% | 4.6% |
| College-going rate · 18-24 yr olds | 20.7% | 29.9% | 42.3% |
| School type | |||
| Public school | 98.4% | 89.8% | 84.4% |
| Private school | 1.6% | 10.2% | 15.6% |
Education Attainment by Level & Gender
What is the highest level of education completed among adults
Education attainment
230
population 25 years and over
Attainment by gender
Male vs Female
Adults (25+) · Share within each education level
Educational Attainment Overview
Distribution and key education attainment rates for adults (25+)
Highest credential completed · adults 25+
| Columbus City | Louisa County | Iowa | |
|---|---|---|---|
| Population (25+) | 230 | 7,539 | 2,154,149 |
| Less than 9th grade | 3.9% | 4.9% | 2.7% |
| 9th–12th, no diploma | 21.7% | 9.4% | 4% |
| High school diploma or GED | 44.8% | 37% | 30% |
| Some college, no degree | 19.1% | 20.1% | 19.7% |
| Associate's degree | 5.7% | 11.8% | 12.1% |
| Bachelor's degree or higher | 4.8% | 16.8% | 31.4% |
| Bachelor's degree | 3.5% | 13.9% | 20.9% |
| Graduate or professional | 1.3% | 2.9% | 10.5% |
| High School or higher | 74.3% | 85.7% | 93.3% |
Earnings by education level
percentage as applicable
Median Earnings
$48,971
Median earnings for adults 25+, by level
Poverty Rate
0%
for ages 25+, with bachelors degree or higher
Outcomes by Education Level
Earnings and poverty rates across education levels (25+)
Adults 25+
| Columbus City | Louisa County | Iowa | |
|---|---|---|---|
| Median earnings | |||
| Population 25+, with earnings | $48,971 | $47,914 | $51,106 |
| Less than high school graduate | $41,042 | $41,364 | $35,996 |
| High school graduate (includes equivalency) | $48,611 | $49,033 | $41,528 |
| Some college or associate's degree | $56,786 | $47,537 | $47,635 |
| Bachelor's degree | $— | $53,372 | $62,744 |
| Graduate or professional degree | $— | $70,469 | $80,022 |
| Poverty rates | |||
| Less than high school graduate | 10.2% | 8.8% | 21.5% |
| High school graduate (includes equivalency) | 4.9% | 8.2% | 12.4% |
| Some college or associate's degree | 7% | 9.1% | 8.1% |
| Bachelor's degree or higher | 0% | 8.3% | 3.8% |
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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