Estimated zip code population in 2022: 1,767 Zip code population in 2010: 1,700 Zip code population in 2000: 1,628
Houses and condos: 743 Renter-occupied apartments: 79
% of renters here:
11%
State:
28%
March 2022 cost of living index in zip code 51003: 75.7 (low, U.S. average is 100)
Land area: 55.7 sq. mi. Water area: 0.0 sq. mi.
Population density: 32 people per square mile
(very low).
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Real estate property taxes paid for housing units in 2022:
This zip code:
1.1% ($2,432)
Iowa:
1.4% ($2,724)
Median real estate property taxes paid for housing units with mortgages in 2022: $2,396 (1.1%) Median real estate property taxes paid for housing units with no mortgage in 2022: $2,481 (1.0%)
Business Search- 14 Million verified businesses
Males: 863
(48.9%)
Females: 903
(51.1%)
For population 25 years and over in 51003:
High school or higher: 94.0%
Bachelor's degree or higher: 25.3%
Graduate or professional degree: 4.5%
Unemployed: 1.6%
Mean travel time to work (commute): 13.4 minutes
For population 15 years and over in 51003:
Never married: 23.9%
Now married: 70.2%
Separated: 1.4%
Widowed: 3.1%
Divorced: 1.4%
Zip code 51003 compared to state average:
Unemployed percentage below state average.
Black race population percentage significantly below state average.
Foreign-born population percentage below state average.
Renting percentage significantly below state average.
Estimated median house/condo value in 2022: $231,248
51003:
$231,248
Iowa:
$194,600
According to our research of Iowa and other state lists, there was 1 registered sex offender living in 51003 zip code as of April 27, 2024. The ratio of all residents to sex offenders in zip code 51003 is 1,771 to 1. The ratio of registered sex offenders to all residents in this zip code is much lower than the state average.
Median resident age:
This zip code:
35.5 years
Iowa median age:
38.9 years
Average household size:
This zip code:
2.5 people
Iowa:
2.3 people
Averages for the 2020 tax year for zip code 51003, filed in 2021:
Average Adjusted Gross Income (AGI) in 2020: $74,343 (Individual Income Tax Returns)
Here:
$74,343
State:
$71,087
Salary/wage: $55,319 (reported on 90.7% of returns)
Here:
$55,319
State:
$57,361
(% of AGI for various income ranges: 1443.6% for AGIs below $25k, 3766.9% for AGIs $25k-50k, 8038.6% for AGIs $50k-75k, 9505.0% for AGIs $75k-100k, 18741.2% for AGIs $100k-200k)
Taxable interest for individuals: $1,302 (reported on 61.3% of returns)
This zip code:
$1,302
Iowa:
$1,633
(% of AGI for various income ranges: 39.1% for AGIs below $25k, 45.4% for AGIs $25k-50k, 151.4% for AGIs $50k-75k, 77.5% for AGIs $75k-100k, 125.0% for AGIs $100k-200k)
Ordinary dividends: $2,833 (reported on 20.0% of returns)
Here:
$2,833
State:
$5,432
(% of AGI for various income ranges: 60.0% for AGIs $25k-50k, 222.5% for AGIs $75k-100k, 211.2% for AGIs $100k-200k)
Net capital gain/loss in AGI: +$4,720 (reported on 20.0% of returns)
Here:
+$4,720
State:
+$15,243
(% of AGI for various income ranges: 30.9% for AGIs below $25k, 95.4% for AGIs $25k-50k, 222.5% for AGIs $75k-100k, 465.0% for AGIs $100k-200k)
Profit/loss from business: +$8,700 (reported on 17.3% of returns)
Here:
+$8,700
State:
+$11,763
(% of AGI for various income ranges: 109.1% for AGIs below $25k, 237.7% for AGIs $25k-50k, 561.4% for AGIs $50k-75k, 83.8% for AGIs $75k-100k, 302.5% for AGIs $100k-200k)
Taxable individual retirement arrangement distribution: $11,588 (reported on 10.7% of returns)
51003:
$11,588
Iowa:
$17,324
(% of AGI for various income ranges: 273.1% for AGIs $25k-50k, 715.0% for AGIs $75k-100k)
Total itemized deductions: $38,100 (reported on 6.7% of returns)
Here:
$38,100
State:
$33,775
(% of AGI for various income ranges: 512.3% for AGIs $25k-50k, 1548.8% for AGIs $100k-200k)
Charity contributions: $15,550 (reported on 5.3% of returns)
Here:
$15,550
State:
$13,075
(% of AGI for various income ranges: 777.5% for AGIs $100k-200k)
Taxes paid: $7,480 (reported on 6.7% of returns)
51003:
$7,480
State:
$7,704
(% of AGI for various income ranges: 59.1% for AGIs below $25k, 386.2% for AGIs $100k-200k)
Earned income credit: $1,933 (reported on 8.0% of returns)
Here:
$1,933
State:
$2,195
(% of AGI for various income ranges: 46.4% for AGIs below $25k, 50.0% for AGIs $25k-50k)
Percentage of individuals using paid preparers for their 2020 taxes: 98.7%
Here:
99%
State:
95%
(% for various income ranges: 100.0% for AGIs below $25k, 94.4% for AGIs $25k-50k, 100.0% for AGIs $50k-75k, 100.0% for AGIs $75k-100k, 100.0% for AGIs $100k-200k, 100.0% for AGIs over 200k)
Averages for the 2012 tax year for zip code 51003, filed in 2013:
Average Adjusted Gross Income (AGI) in 2012: $55,373 (Individual Income Tax Returns)
Here:
$55,373
State:
$58,860
Salary/wage: $44,234 (reported on 86.7% of returns)
Here:
$44,234
State:
$46,659
(% of AGI for various income ranges: 86.3% for AGIs below $25k, 82.1% for AGIs $25k-50k, 76.2% for AGIs $50k-75k, 83.7% for AGIs $75k-100k, 45.9% for AGIs $100k-200k)
Taxable interest for individuals: $838 (reported on 49.3% of returns)
This zip code:
$838
Iowa:
$1,537
(% of AGI for various income ranges: 1.3% for AGIs below $25k, 0.6% for AGIs $25k-50k, 1.2% for AGIs $50k-75k, 0.4% for AGIs $75k-100k, 0.6% for AGIs $100k-200k)
Ordinary dividends: $2,629 (reported on 18.7% of returns)
Here:
$2,629
State:
$4,542
(% of AGI for various income ranges: 0.9% for AGIs below $25k, 1.3% for AGIs $25k-50k, 0.9% for AGIs $50k-75k, 0.3% for AGIs $75k-100k, 1.0% for AGIs $100k-200k)
Net capital gain/loss in AGI: +$3,033 (reported on 16.0% of returns)
Here:
+$3,033
State:
+$11,802
(% of AGI for various income ranges: 0.3% for AGIs $50k-75k, 2.5% for AGIs $100k-200k)
Profit/loss from business: +$6,671 (reported on 18.7% of returns)
Here:
+$6,671
State:
+$10,509
(% of AGI for various income ranges: 3.4% for AGIs below $25k, 3.1% for AGIs $25k-50k, 3.3% for AGIs $50k-75k, 3.7% for AGIs $75k-100k)
Taxable individual retirement arrangement distribution: $7,038 (reported on 10.7% of returns)
51003:
$7,038
Iowa:
$11,773
Total itemized deductions: $19,700 (21% of AGI, reported on 30.7% of returns)
Here:
$19,700
State:
$21,278
Here:
21.1% of AGI
State:
18.9% of AGI
(% of AGI for various income ranges: 10.9% for AGIs $25k-50k, 10.8% for AGIs $50k-75k, 12.5% for AGIs $75k-100k, 12.1% for AGIs $100k-200k)
Charity contributions: $6,027 (reported on 29.3% of returns)
Here:
$6,027
State:
$4,044
(% of AGI for various income ranges: 2.7% for AGIs $25k-50k, 2.8% for AGIs $50k-75k, 3.4% for AGIs $75k-100k, 4.2% for AGIs $100k-200k)
Taxes paid: $6,630 (reported on 30.7% of returns)
51003:
$6,630
State:
$8,846
(% of AGI for various income ranges: 2.0% for AGIs $25k-50k, 2.9% for AGIs $50k-75k, 4.6% for AGIs $75k-100k, 5.2% for AGIs $100k-200k)
Earned income credit: $2,388 (reported on 10.7% of returns)
Here:
$2,388
State:
$2,098
(% of AGI for various income ranges: 4.7% for AGIs below $25k, 1.0% for AGIs $25k-50k)
Percentage of individuals using paid preparers for their 2012 taxes: 78.7%
Here:
79%
State:
65%
(% for various income ranges: 72.7% for AGIs below $25k, 73.7% for AGIs $25k-50k, 81.2% for AGIs $50k-75k, 80.0% for AGIs $75k-100k, 100.0% for AGIs $100k-200k)
Averages for the 2004 tax year for zip code 51003, filed in 2005:
Average Adjusted Gross Income (AGI) in 2004: $36,890 (Individual Income Tax Returns)
Here:
$36,890
State:
$43,875
Salary/wage: $32,693 (reported on 86.2% of returns)
Here:
$32,693
State:
$38,265
(% of AGI for various income ranges: 102.9% for AGIs below $10k, 76.7% for AGIs $10k-25k, 78.9% for AGIs $25k-50k, 84.8% for AGIs $50k-75k, 82.6% for AGIs $75k-100k, 47.1% for AGIs over 100k)
Taxable interest for individuals: $1,202 (reported on 55.2% of returns)
This zip code:
$1,202
Iowa:
$1,768
(% of AGI for various income ranges: 4.9% for AGIs below $10k, 4.2% for AGIs $10k-25k, 2.1% for AGIs $25k-50k, 0.8% for AGIs $50k-75k, 1.3% for AGIs $75k-100k, 1.6% for AGIs over 100k)
Taxable dividends: $850 (reported on 26.2% of returns)
Here:
$850
State:
$2,510
(% of AGI for various income ranges: 2.3% for AGIs below $10k, 1.4% for AGIs $10k-25k, 0.9% for AGIs $25k-50k, 0.2% for AGIs $50k-75k, 0.3% for AGIs $75k-100k, 0.4% for AGIs over 100k)
Net capital gain/loss: +$2,742 (reported on 20.8% of returns)
Here:
+$2,742
State:
+$6,139
(% of AGI for various income ranges: 2.1% for AGIs below $10k, 0.8% for AGIs $10k-25k, -0.1% for AGIs $25k-50k, 0.3% for AGIs $50k-75k, 7.2% for AGIs $75k-100k, 2.0% for AGIs over 100k)
Profit/loss from business: +$4,800 (reported on 14.4% of returns)
Here:
+$4,800
State:
+$8,574
(% of AGI for various income ranges: 3.2% for AGIs below $10k, -1.6% for AGIs $10k-25k, 4.5% for AGIs $25k-50k, 2.1% for AGIs $50k-75k, 0.7% for AGIs $75k-100k)
IRA payment deduction: $2,320 (reported on 3.3% of returns)
51003:
$2,320
Iowa:
$2,970
Total itemized deductions: $15,764 (25% of AGI, reported on 28.8% of returns)
Here:
$15,764
State:
$16,976
Here:
24.9% of AGI
State:
20.8% of AGI
(% of AGI for various income ranges: 21.1% for AGIs $10k-25k, 10.5% for AGIs $25k-50k, 12.5% for AGIs $50k-75k, 10.9% for AGIs $75k-100k, 13.0% for AGIs over 100k)
Charity contributions deductions: $4,243 (6% of AGI, reported on 26.5% of returns)
Here:
$4,243
State:
$3,089
Here:
6.5% of AGI
State:
3.6% of AGI
(% of AGI for various income ranges: 4.5% for AGIs $10k-25k, 2.4% for AGIs $25k-50k, 2.9% for AGIs $50k-75k, 2.8% for AGIs $75k-100k, 4.2% for AGIs over 100k)
Total tax: $4,401 (reported on 75.9% of returns)
51003:
$4,401
State:
$6,177
(% of AGI for various income ranges: 4.2% for AGIs below $10k, 4.7% for AGIs $10k-25k, 6.4% for AGIs $25k-50k, 7.7% for AGIs $50k-75k, 9.0% for AGIs $75k-100k, 19.5% for AGIs over 100k)
Earned income credit: $1,658 (reported on 10.0% of returns)
Here:
$1,658
State:
$1,540
Percentage of individuals using paid preparers for their 2004 taxes: 81.4%
Here:
81%
State:
70%
(% for various income ranges: 75.8% for AGIs below $10k, 78.8% for AGIs $10k-25k, 83.4% for AGIs $25k-50k, 88.3% for AGIs $50k-75k, 80.4% for AGIs $75k-100k, 87.0% for AGIs over 100k)
Household received Food Stamps/SNAP in the past 12 months: 14 Household did not receive Food Stamps/SNAP in the past 12 months: 684
Women who had a birth in the past 12 months: 57 (10 now married, 43 unmarried) Women who did not have a birth in the past 12 months: 326 (240 now married, 84 unmarried)
Housing units in zip code 51003 with a mortgage: 387 (20 second mortgage, 13 both second mortgage and home equity loan) Median monthly owner costs for units with a mortgage: $1,461 Median monthly owner costs for units without a mortgage: $586
Residents with income below the poverty level in 2022:
This zip code:
2.0%
Whole state:
11.0%
Residents with income below 50% of the poverty level in 2022:
This zip code:
0.2%
Whole state:
5.5%
Median number of rooms in houses and condos:
Here:
8.0
State:
6.8
Median number of rooms in apartments:
Here:
4.5
State:
4.2
Notable locations in this zip code not listed on our city pages
Notable locations in zip code 51003: Hettinga Dairy (A), Sioux Golf and Country Club (B), Alton (C), Midwest Farmers Cooperative Elevator (D), Farmers Cooperative Company Elevator (E), Alton Ambulance (F), Alton Volunteer Fire Department (G), Alton Public Library (H). Display/hide their locations on the map
Churches in zip code 51003 include: Alton Presbyterian Church (A), Alton Reformed Church (B), Saint Marys Church (C). Display/hide their locations on the map
Size of family households: 339 2-persons, 61 3-persons, 62 4-persons, 36 5-persons, 48 6-persons
Size of nonfamily households: 116 1-person, 27 2-persons
281 married couples with children.
124 single-parent households (110 men, 14 women).
93.8% of residents of 51003 zip code speak English at home.
4.8% of residents speak Spanish at home (62% very well, 5% well, 4% not well, 29% not at all).
1.0% of residents speak other Indo-European language at home (100% very well).
0.4% of residents speak Asian or Pacific Island language at home (29% very well, 71% well).
0.1% of residents speak other language at home (100% very well).
Foreign born population: 68 (3.9%) (55.6% of them are naturalized citizens)
This zip code:
3.9%
Whole state:
6.0%
58%El Salvador
15%Afghanistan
11%Honduras
3%Taiwan
3%Eritrea
2%Sweden
38%German
26%Dutch
8%American
4%French Canadian
2%Irish
2%English
1%Norwegian
Year of entry for the foreign-born population
432010 or later
112000 to 2009
141990 to 1999
2Before 1990
Facilities with environmental interests located in this zip code:
MOC-FLOYD VALLEY MIDDLE SCHOOL (1104 5TH AVE in ALTON, IA)
(Geographic Names Information System) (National Center for Education Statistics) - STATE ID-844149 209 Organizations: MOC-FLOYD VALLEY COMM SCHOOL DISTRICT (SCHOOL DISTRICT)
ALTON CITY OF STP (KENNEDY AVE AND 440TH STREET, in ALTON, IA)
National Pollutant Discharge Elimination System NON-MAJOR (Tracking pollutant discharge elimination systems) - permit Business SIC classification: SEWERAGE SYSTEMS Organizations: CITY OF ALTON (CONTACT/OWNER)
National Pollutant Discharge Elimination System NON-MAJOR (Tracking pollutant discharge elimination systems) - permit Business SIC classification: BEEF CATTLE FEEDLOTS
ALTON MUNICIPAL LIGHT & POWER (905 THIRD AVENUE in ALTON, IA)
COMPLIANCE ACTIVITY (Tracking inspections of insecticide, fungicide, and rodenticide, and toxic substances) COMMUNITY WATER SYSTEM (SDWIS) Business SIC classification: ELECTRIC SERVICES Alternative names: ALTON MUNICIPAL UTILITIES, ALTON MUNICIPAL WATER DEPARTMENT, ALTON MUNICIPAL WATER DEPARTMENT C/O UTILITIES OFFICE
ALTON PREMIUM FEED (HWY 10 in ALTON, IA)
AIR MINOR (AIRS/AFS) Business SIC classification: NONCLASSIFIABLE ESTABLISHMENTS Alternative names: CLOSED FACILITY -- ALTON PREMIUM FEED
ALTON RENDERING WORKS (4575 KENNEDY AVENUE in ALTON, IA)
AIR MINOR (AIRS/AFS) Business SIC classification: NONCLASSIFIABLE ESTABLISHMENTS Alternative names: ALTON RENDERING CO
DENOVA INDUSTRIES (101 EAST 10TH STREET in ALTON, IA)
COMPLIANCE ACTIVITY (Tracking inspections of insecticide, fungicide, and rodenticide, and toxic substances)
DE NOVA INDUSTRIES INC (E 10TH ST in ALTON, IA)
COMPLIANCE ACTIVITY (Tracking inspections of insecticide, fungicide, and rodenticide, and toxic substances)
SPALDING ELEMENTARY "ST. MARY'S CENTER" (609 10TH ST in ALTON, IA)
COMPLIANCE ACTIVITY (Tracking inspections of insecticide, fungicide, and rodenticide, and toxic substances)
UNI-PAK (HWY 60 N in ALTON, IA)
COMPLIANCE ACTIVITY (Tracking inspections of insecticide, fungicide, and rodenticide, and toxic substances)
Housing units lacking complete plumbing facilities: 3.5% Housing units lacking complete kitchen facilities: 1.3%
47.7%Electricity
43.7%Utility gas
6.1%Bottled, tank, or LP gas
2.1%Other fuel
0.6%Wood
Population in 1990: 1,371. Population change in the 1990s: +257 (+18.7%).
Place of birth for U.S.-born residents:
This state: 1,367
Northeast: 29
Midwest: 234
South: 19
West: 46
72% of the 51003 zip code residents lived in the same house 5 years ago. Out of people who lived in different houses, 55% lived in this county. Out of people who lived in different counties, 50% lived in Iowa.
95% of the 51003 zip code residents lived in the same house 1 year ago. Out of people who lived in different houses, 75% moved from this county. Out of people who lived in different houses, 19% moved from different county within same state. Out of people who lived in different houses, 6% moved from different state.
Private vs. public school enrollment:
Students in private schools in grades 1 to 8 (elementary and middle school): 40
Here:
31.2%
Iowa:
10.6%
Students in private schools in grades 9 to 12 (high school): 23
Here:
22.0%
Iowa:
7.9%
Students in private undergraduate colleges: 1
Here:
5.2%
Iowa:
23.9%
Occupation by median earnings in the past 12 months ($)
100,300Business and financial operations occupations
84,469Sales and related occupations
69,663Management occupations
67,711Transportation occupations
59,792Installation, maintenance, and repair occupations
55,123Architecture and engineering occupations
Companies with federal contracts located in this zip code:
ROBERT A MOUW LIVESTOCK (4189 KIWI AVE in ALTON, IA; small business) : $69,500 in 6 contractsfrom 2001 to 2003
Contracts for Live Animals, Not Raised for Food by Army Signed by year:2000: $0; 2001: $4,500; 2002: $35,000; 2003: $30,000; 2004: $0; 2005: $0; 2006: $0.
Biggest contracts:
$20,000 with Army for Live Animals, Not Raised for Food. Signed on 2002-01-09. Completion date: 2002-03-01.
$15,000, same as above.Signed on 2003-12-02. Completion date: 2003-11-20.
$15,000 with Army for Live Animals, Not Raised for Food. Taking place in VA. Signed on 2003-01-30. Completion date: 2003-03-18.
$10,000 with Army for Live Animals, Not Raised for Food. Signed on 2002-09-12. Completion date: 2002-09-15.
HAWKE & COMPANY AG SYSTEMS, IN (1605 THIRD AVENUE in ALTON, IA; small business)
$4,750 with Army for Miscellaneous Items. Signed on 2004-12-01. Completion date: 2004-12-13.
Top industries in this zip code by the number of employees in 2005: