52577 ZIP Code — Oskaloosa, IA
Mahaska County, Iowa
ZIP code 52577 is located in Oskaloosa, Iowa, within Mahaska County. It covers approximately 158.35 square miles and serves a population of 14,437 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 641.
About ZIP code 52577
The housing stock consists of predominantly single-family detached homes. Most homes were built in the pre-1940, giving the area an established character. Median home value is $138,200. Owner-occupancy sits near the national average at 64%.
Median household income is $63,961. 33% of households receive Social Security income, suggesting a notable retiree or disability population.
The dominant occupation class is management, business, and professional, with manufacturing as the leading industry. The average commute of 16 minutes is near the national average.
Educational attainment is near the national average, with 24% of residents holding a bachelor's degree or higher.
14,437
population
158.35
sq mi land
Standard
ZIP type
Central (CT)
timezone
52577 ZIP code map
Cities in ZIP code 52577
Below are the cities the US Postal Service accepts for ZIP code 52577. Using any city not on this list may result in mail delivery delays.
| City | Status |
|---|---|
| Oskaloosa | Acceptable |
| Oskaloosa | Preferred |
Nearby ZIP codes
52534 Beacon (1 mi)
50143 Leighton (7.2 mi)
52553 Eddyville (7.5 mi)
52543 Cedar (8.3 mi)
52586 Rose Hill (11.6 mi)
52566 Kirkville (11.7 mi)
52561 Fremont (11.8 mi)
50044 Bussey (11.9 mi)
50207 New Sharon (11.9 mi)
50256 Tracy (12.8 mi)
50119 Harvey (14.2 mi)
52548 Chillicothe (14.3 mi)
Demographics
updated 06/2026
| Population | |
|---|---|
| Total population | 14,437 |
| Population density | 91 / sq mi |
| State FIPS | 19 |
| County FIPS | 123 |
| Geography | |
|---|---|
| Land area | 158.35 sq mi |
| Water area | 1.54 sq mi |
| Latitude | 41.2662 |
| Longitude | -92.6652 |
| Timezone | Central (CT) |
| Area code | 641 |
Total population by age
Gender
Race & ethnicity
Economics
updated 06/2026
Household income
| Income range | This ZIP | County avg | State avg |
|---|---|---|---|
| Under $50k | 45.4% | 44.1% | 40.1% |
| $50k – $100k | 35.6% | 36.0% | 33.4% |
| $100k – $200k | 16.4% | 17.5% | 21.5% |
| Over $200k | 2.6% | 2.4% | 5.0% |
Demographics & statistics
14,437
Population
91
People per sq mi
38.5
Median age
$63,961
Median household income
$34,101
Per capita income
$138,200
Median home value
$817
Median monthly rent
64.1%
Home ownership
14.6%
Poverty rate
4.2%
Unemployment
4,202
Housing units
24.2%
Bachelor's or higher
Age distribution
Male
Female
481
Under 5
476
438
5–9
434
555
10–14
551
488
15–19
484
522
20–24
518
830
25–34
822
845
35–44
838
761
45–54
755
434
55–59
431
435
60–64
432
813
65–74
806
427
75–84
423
220
85+
218
← Male
Female →
Age summary
| Group | Count | % |
|---|---|---|
| Under 18 | 3,459 | 24.0% |
| 18 and over | 10,978 | 76.0% |
| 65 and over | 2,907 | 20.1% |
| Median age | 38.5 years | |
Race & ethnicity
White
92.2%
Two or more races
2.6%
Black or African American
2%
Asian
1.4%
Hispanic or Latino
0.9%
Other race
0.7%
American Indian / Alaska Native
0.2%
| Group | Count | % |
|---|---|---|
| White | 13,439 | 92.2% |
| Two or more races | 386 | 2.6% |
| Black or African American | 293 | 2% |
| Asian | 197 | 1.4% |
| Hispanic or Latino | 135 | 0.9% |
| Other race | 98 | 0.7% |
| American Indian / Alaska Native | 23 | 0.2% |
Household income
| Income range | This ZIP | County avg | State avg |
|---|---|---|---|
| Under $50k | 45.4% | 44.1% | 40.1% |
| $50k – $100k | 35.6% | 36.0% | 33.4% |
| $100k – $200k | 16.4% | 17.5% | 21.5% |
| Over $200k | 2.6% | 2.4% | 5.0% |
Under $10k
4.1%
$10k–$15k
5.1%
$15k–$25k
12.3%
$25k–$35k
6.5%
$35k–$50k
12.4%
$50k–$75k
18.3%
$75k–$100k
16.1%
$100k–$150k
15.8%
$150k–$200k
5.6%
$200k+
3.9%
| Range | % of households |
|---|---|
| Under $10k | 4.1% |
| $10k–$15k | 5.1% |
| $15k–$25k | 12.3% |
| $25k–$35k | 6.5% |
| $35k–$50k | 12.4% |
| $50k–$75k | 18.3% |
| $75k–$100k | 16.1% |
| $100k–$150k | 15.8% |
| $150k–$200k | 5.6% |
| $200k+ | 3.9% |
| Median income | $63,961 |
Housing
Home values
Under $50k
9.8%
$50k–$100k
22.3%
$100k–$150k
22.1%
$150k–$200k
13.2%
$200k–$300k
23.0%
$300k–$500k
7.3%
$500k–$1M
2.3%
Housing overview
| Metric | Value |
|---|---|
| Median home value | $138,200 |
| Median rent / month | $817 |
| Owner occupied | 64.1% |
| Renter occupied | 35.9% |
| Vacant | 8.6% |
| Single-family detached | 75.0% |
| Large apartment buildings | 2.4% |
| Mobile homes | 6.0% |
| Median rooms | 5.7 |
| Avg household size (owned) | 2.49 |
Year built
| Era | % |
|---|---|
| 2020 or later | 0.1% |
| 2010–2019 | 5.2% |
| 2000–2009 | 9.4% |
| 1990–1999 | 9.3% |
| 1980–1989 | 7.4% |
| 1970–1979 | 15.7% |
| 1960–1969 | 6.5% |
| 1950–1959 | 12.4% |
| 1940–1949 | 4.4% |
| 1939 or earlier | 29.7% |
Bedrooms
| Size | % of units |
|---|---|
| No bedroom (studio) | 0.5% |
| 1 bedroom | 7.2% |
| 2 bedrooms | 37.1% |
| 3 bedrooms | 38.0% |
| 4 bedrooms | 13.2% |
| 5+ bedrooms | 4.0% |
Vehicles per household
| Vehicles | % of households |
|---|---|
| No vehicle | 5.9% |
| 1 vehicle | 28.8% |
| 2 vehicles | 39.1% |
| 3 or more | 26.2% |
Heating fuel
| Fuel type | % |
|---|---|
| Utility gas | 59.8% |
| Electricity | 28.2% |
| Propane / LP gas | 9.2% |
| Fuel oil | 0.2% |
| Wood | 1.5% |
| No fuel used | 0.5% |
Households & families
| Household type | Count | % |
|---|---|---|
| Married-couple family | 2,755 | 48.2% |
| Cohabiting couple | 496 | 8.7% |
| Male householder, no spouse | 1,057 | 18.5% |
| Female householder, no spouse | 1,404 | 24.6% |
| Households with children under 18 | 1,710 | 29.9% |
| Households with seniors (65+) | 1,866 | 32.7% |
| Average household size | 2.40 | |
Marital status
| Status | Male | Female |
|---|---|---|
| Never married | 34.8% | 25.5% |
| Married | 50.8% | 49.8% |
| Separated | 1.1% | 0.9% |
| Widowed | 2.7% | 11.6% |
| Divorced | 10.7% | 12.2% |
Education
Less than 9th grade
2.6%
Some HS, no diploma
5.0%
HS graduate
37.5%
Some college, no degree
20.1%
Associate's degree
10.5%
Bachelor's degree
17.6%
Graduate / professional
6.6%
| Metric | % |
|---|---|
| HS diploma or higher | 92.3% |
| Bachelor's or higher | 24.2% |
School enrollment (ages 3–17)
| Type | Count | % |
|---|---|---|
| Nursery / preschool | 383 | 10.4% |
| Kindergarten | 89 | 2.4% |
| Elementary school | 1,601 | 43.6% |
| High school | 689 | 18.7% |
| College / grad school | 914 | 24.9% |
Employment
Industry of employment
Manufacturing
30.1%
Education & healthcare
20.5%
Retail trade
10.7%
Arts, food & hospitality
6.9%
Construction
6.3%
Other services
5.9%
Professional & management
4.2%
Agriculture & mining
3.9%
Transportation & utilities
3.9%
Finance & real estate
3.0%
Public administration
1.8%
Wholesale trade
1.6%
Information
1.1%
Occupation
| Category | % |
|---|---|
| Management, business & arts | 36.8% |
| Service | 15.8% |
| Sales & office | 15.8% |
| Natural resources & construction | 8.3% |
| Production & transportation | 23.3% |
Employment type
| Type | % |
|---|---|
| Private sector | 82.7% |
| Government | 9.9% |
| Self-employed | 7.3% |
| Unpaid family workers | 0.1% |
Commute
| Method | % |
|---|---|
| Drive alone | 80.0% |
| Carpool | 7.8% |
| Public transit | 0.1% |
| Walk | 6.0% |
| Work from home | 5.5% |
| Other means | 0.6% |
| Avg commute (minutes) | 15.8 |
Poverty
All people
14.6%
Under 18 years
16.7%
18 and over
14.0%
Married-couple families
4.0%
Female-led households
25.3%
Income support
| Source | % of households |
|---|---|
| Social Security | 33.3% |
| Retirement income | 24.3% |
| Supplemental Security | 5.5% |
| Cash public assistance | 4.3% |
| Food stamps / SNAP | 15.4% |
Health indicators
| Condition | % |
|---|---|
| Obesity | 35.5% |
| High blood pressure | 33.9% |
| High cholesterol | 32.6% |
| Diabetes | 10.3% |
| Heart disease | 7.2% |
| Stroke | 3.4% |
| Asthma | 9.7% |
| Arthritis | 25.1% |
| Kidney disease | 3.1% |
| Pulmonary disease | 7.5% |
| Cancer | 7.1% |
| Behavior / access | % |
|---|---|
| Smoking | 18.8% |
| Binge drinking | 20.1% |
| No physical activity | 26.5% |
| Less than 7 hrs sleep | 31.8% |
| Depression | 18.8% |
| Fair or poor health | 14.3% |
| Poor mental health | 14.3% |
| Poor physical health | 10.4% |
| No health insurance | 10.0% |
| Visited doctor (checkup) | 75.0% |
| Visited dentist | 64.6% |
| Cholesterol screening | 86.4% |
| Teeth loss | 15.2% |
Veterans & disability
| Veterans | Count | % |
|---|---|---|
| Civilian veterans | 622 | 5.7% |
| Disability | % |
|---|---|
| Any disability | 14.3% |
| Under 18 | 6.9% |
| 18–64 years | 11.1% |
| 65 and over | 33.6% |
Health insurance coverage
| Type | % |
|---|---|
| Private insurance | 67.7% |
| Public insurance | 42.7% |
| No insurance | 4.9% |
| Uninsured under 19 | 2.0% |
Language & origin
Language spoken at home (age 5+)
| Language | Count | % |
|---|---|---|
| English only | 13,480 | 93.4% |
| Spanish | 169 | 1.3% |
| Other Indo-European | 25 | 0.2% |
| Asian & Pacific Islander | 11 | 0.1% |
| Other languages | 132 | 1.0% |
Place of birth & citizenship
| Origin | Count | % |
|---|---|---|
| Native born (US) | 14,138 | 97.9% |
| Born in same state | 13,992 | 96.9% |
| Born in different state | 10,901 | 75.5% |
| Foreign born | 146 | 1.0% |
| Naturalized citizen | 299 | 2.1% |
| Not a US citizen | 153 | 51.2% |
Ancestry
| Ancestry | Count | % |
|---|---|---|
| French | 1,925 | 13.3% |
| Italian | 1,690 | 11.7% |
| English | 1,587 | 11% |
| Arab | 1,054 | 7.3% |
| Ancestry | Count | % |
|---|---|---|
| Polish | 354 | 2.5% |
| Dutch | 77 | 0.5% |
| Irish | 55 | 0.4% |
Technology access
| Metric | % of households |
|---|---|
| Computer access | 39.6% |
| Internet access | 92.9% |
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 52577
What city is ZIP code 52577 in?
ZIP code 52577 is primarily assigned to Oskaloosa, Iowa.
What county is ZIP code 52577 in?
ZIP code 52577 falls within Mahaska County, Iowa.
What is the typical home value in ZIP code 52577?
The median home value in ZIP code 52577 is $138,200.
What is the population of ZIP code 52577?
ZIP code 52577 has an estimated population of 14,437 residents, with a density of 91 people per square mile.
What is the median household income in ZIP code 52577?
The median household income in ZIP code 52577 is $63,961, below the national median of ~$75,000.
What timezone is ZIP code 52577 in?
ZIP code 52577 observes the CST timezone.