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Iowa ZIP Codes
Jefferson County
Lockridge, IA
52635
52635 ZIP Code — Lockridge, IA
Jefferson County, Iowa
ZIP code 52635 is located in
Lockridge ,
Iowa ,
within Jefferson County .
It covers approximately 43.15 square miles and serves a population of
946 residents.
This is a standard ZIP code in the Central (CT) timezone,
served by area code 319 .
About ZIP code 52635
The housing stock consists of predominantly single-family detached homes. Most homes were built in the pre-1940, giving the area an established character. Owner-occupancy sits near the national average at 63%.
Median household income is $63,088. Poverty affects 28% of residents, above the national average. SNAP benefit usage at 24% of households reflects economic stress in the area. 39% of households receive Social Security income, suggesting a notable retiree or disability population.
The dominant occupation class is production, transportation, and material moving, with retail trade as the leading industry. The average commute of 33 minutes is near the national average.
College attainment at 20% is below the national average, consistent with a trades and production-oriented local economy.
Overall, ZIP code 52635 reflects a community defined by economic challenges above the national average, a significant Social Security-dependent population, and elevated reliance on food assistance.
52635 ZIP code map
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Cities in ZIP code 52635
Below are the cities the US Postal Service accepts for ZIP code 52635. Using any city not on this list may result in mail delivery delays.
Nearby ZIP codes
Demographics
updated 05/2026
Population
Total population
946
Population density
22 / sq mi
State FIPS
19
County FIPS
101
Geography
Land area
43.15 sq mi
Water area
0.02 sq mi
Latitude
40.9883
Longitude
-91.7659
Timezone
Central (CT)
Area code
319
Economics
updated 05/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
47.7%
51.9%
40.1%
$50k – $100k
26.7%
30.3%
33.4%
$100k – $200k
25.6%
13.8%
21.5%
Over $200k
0.0%
4.0%
5.0%
Demographics & statistics
$63,088
Median household income
20.1%
Bachelor's or higher
Age distribution
Age summary
Group Count % Under 18 227 24.0% 18 and over 719 76.0% 65 and over 141 14.9% Median age 38.3 years
Race & ethnicity
Group Count % White 841 88% Asian 79 8.3% Two or more races 23 2.4% Hispanic or Latino 10 1% Other race 3 0.3%
Household income
Income range
This ZIP
County avg
State avg
Under $50k
47.7%
51.9%
40.1%
$50k – $100k
26.7%
30.3%
33.4%
$100k – $200k
25.6%
13.8%
21.5%
Over $200k
0.0%
4.0%
5.0%
Range % of households Under $10k 1.1% $10k–$15k 17.6% $15k–$25k 5.0% $25k–$35k 3.1% $35k–$50k 11.2% $50k–$75k 20.1% $75k–$100k 13.7% $100k–$150k 19.3% $150k–$200k 8.9% Median income $63,088
Housing
Housing overview
Metric Value Median home value $0 Median rent / month $965 Owner occupied 63.4% Renter occupied 36.6% Vacant 7.7% Single-family detached 75.5% Large apartment buildings 0.0% Mobile homes 22.7% Median rooms 5.3 Avg household size (owned) 2.74
Year built
Era % 2020 or later 0.0% 2010–2019 7.2% 2000–2009 12.9% 1990–1999 15.7% 1980–1989 3.6% 1970–1979 18.3% 1960–1969 3.4% 1950–1959 0.3% 1940–1949 2.6% 1939 or earlier 36.1%
Bedrooms
Size % of units No bedroom (studio) 2.1% 1 bedroom 4.4% 2 bedrooms 31.4% 3 bedrooms 45.9% 4 bedrooms 9.5% 5+ bedrooms 6.7%
Vehicles per household
Vehicles % of households No vehicle 5.6% 1 vehicle 14.2% 2 vehicles 26.3% 3 or more 53.9%
Heating fuel
Fuel type % Utility gas 35.5% Electricity 8.4% Propane / LP gas 36.9% Fuel oil 0.3% Wood 16.5%
Households & families
Household type Count % Married-couple family 206 57.5% Cohabiting couple 6 1.7% Male householder, no spouse 84 23.5% Female householder, no spouse 62 17.3% Households with children under 18 106 29.6% Households with seniors (65+) 94 26.3% Average household size 2.64
Marital status
Status Male Female Never married 39.5% 18.6% Married 49.4% 64.9% Separated 0.5% 0.0% Widowed 0.8% 8.2% Divorced 9.9% 8.2%
Education
Less than 9th grade
12.0%
Some HS, no diploma
10.7%
Some college, no degree
18.8%
Graduate / professional
6.5%
Metric % HS diploma or higher 77.3% Bachelor's or higher 20.1%
School enrollment (ages 3–17)
Type Count % Nursery / preschool 35 17.2% Kindergarten 4 2.0% Elementary school 92 45.1% High school 52 25.5% College / grad school 21 10.3%
Employment
Industry of employment
Education & healthcare
11.1%
Arts, food & hospitality
9.6%
Agriculture & mining
6.4%
Public administration
4.2%
Transportation & utilities
1.3%
Professional & management
0.9%
Finance & real estate
0.7%
Occupation
Category % Management, business & arts 22.0% Service 9.8% Sales & office 22.2% Natural resources & construction 21.3% Production & transportation 24.7%
Employment type
Type % Private sector 78.4% Government 10.7% Self-employed 6.2% Unpaid family workers 4.7%
Commute
Method % Drive alone 80.9% Carpool 13.2% Public transit 0.0% Walk 0.0% Work from home 5.8% Other means 0.0% Avg commute (minutes) 33.2
Poverty
Married-couple families
24.8%
Female-led households
24.0%
Income support
Source % of households Social Security 38.5% Retirement income 24.9% Supplemental Security 5.0% Cash public assistance 4.5% Food stamps / SNAP 23.5%
Health indicators
Condition % Obesity 33.4% High blood pressure 32.9% High cholesterol 33.6% Diabetes 9.4% Heart disease 6.5% Stroke 2.9% Asthma 9.1% Arthritis 23.4% Kidney disease 2.7% Pulmonary disease 6.6% Cancer 7.0%
Behavior / access % Smoking 17.7% Binge drinking 22.1% No physical activity 23.2% Less than 7 hrs sleep 30.0% Depression 17.4% Fair or poor health 12.3% Poor mental health 13.3% Poor physical health 9.5% No health insurance 9.2% Visited doctor (checkup) 72.0% Visited dentist 70.0% Cholesterol screening 88.9% Teeth loss 13.0%
Veterans & disability
Veterans Count % Civilian veterans 28 3.9%
Disability % Any disability 19.9% Under 18 17.6% 18–64 years 18.7% 65 and over 28.4%
Health insurance coverage
Type % Private insurance 48.4% Public insurance 52.4% No insurance 9.4% Uninsured under 19 0.0%
Language & origin
Language spoken at home (age 5+)
Language Count % English only 881 93.1% Spanish 63 7.2% Other Indo-European 0 0.0% Asian & Pacific Islander 63 7.2% Other languages 0 0.0%
Place of birth & citizenship
Origin Count % Native born (US) 875 92.5% Born in same state 875 92.5% Born in different state 723 76.4% Foreign born 0 0.0% Naturalized citizen 71 7.5% Not a US citizen 0 0.0%
Ancestry
Ancestry Count % French 94 9.9% Arab 73 7.7% Italian 44 4.7%
Ancestry Count % Norwegian 7 0.7% German 1 0.1% English 1 0.1%
Technology access
Metric % of households Computer access 37.8% Internet access 92.5%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 52635
What city is ZIP code 52635 in?
ZIP code 52635 is primarily assigned to Lockridge, Iowa.
What county is ZIP code 52635 in?
ZIP code 52635 falls within Jefferson County, Iowa.
What is the poverty rate in ZIP code 52635?
28% of residents in ZIP code 52635 live below the poverty line, above the national average.
Does ZIP code 52635 have a large retiree population?
39% of households in ZIP code 52635 receive Social Security income, suggesting a significant retiree or disability population.
What is the population of ZIP code 52635?
ZIP code 52635 has an estimated population of 946 residents, with a density of 22 people per square mile.
What is the median household income in ZIP code 52635?
The median household income in ZIP code 52635 is $63,088, below the national median of ~$75,000.
What timezone is ZIP code 52635 in?
ZIP code 52635 observes the CST timezone.
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