Norwalk, Iowa Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates
The population of Norwalk, Iowa is 13,610 as of the 2023 American Community Survey, making it the 32nd-largest city in Iowa. The median household income is $94,583, the median home value is $275,700, and the median age is 36.5.
The population has grown 70.2% since 2010 (9,046 → 15,396).
13,610
Population
1168
People / sq mi
$94,583
Median Income
$275,700
Median Home Value
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Norwalk covers 11.6 sq mi of land at 1168 people per square mile.
About Norwalk, IA
The poverty rate is what most separates Norwalk from the typical city: 1.0% of residents live below the federal poverty line, against 12.4% nationally. With 13,610 residents, Norwalk is a city in Iowa. It ranks #32 among cities in Iowa by population.
Median household income is $94,583, above the US median of $78,538. Hardship is rare relative to US cities: a poverty rate of just 1.0%, below the national 12.4%. Median home value is $275,700, with typical rent around $869.
Roughly 40.2% of adults have a bachelor’s, above the national 35.0%. About 16.0% of workers primarily work from home, above the national 14.0%, and the average commute runs about 22 minutes each way.
Norwalk city Population History (2010-2024)
The city of Norwalk city had a population of 9,046 in 2010 and 15,396 in 2024, a 70.2% growth over 14 years. The peak was 15,396 in 2024. Average annual growth rate: 3.89%.
15,396
Population (2024)
9,046
Population (2010)
15,396
Peak (2024)
3.89%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 9,046 |
| 2011 | 9,290 |
| 2012 | 9,435 |
| 2013 | 9,611 |
| 2014 | 9,834 |
| 2015 | 10,084 |
| 2016 | 10,507 |
| 2017 | 10,896 |
| 2018 | 11,512 |
| 2019 | 11,938 |
| 2020 | 12,917 |
| 2021 | 13,578 |
| 2022 | 14,169 |
| 2023 | 14,871 |
| 2024 | 15,396 |
Race & Ethnicity
| White | 96.3% |
| Black or African American | 0.1% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 0.5% |
| Two or More Races | 0.0% |
Economy & Income
$94,583
Median Household Income
$47,919
Per Capita Income
1.0%
Poverty Rate
2.0%
Unemployment Rate
Housing
$275,700
Median Home Value
$869
Median Rent
84.7%
Owner-Occupied
Education
98.6%
High School+
40.2%
Bachelor's+
Commute
0.0%
Drive Alone
76.9%
Public Transit
16.0%
Work From Home
21.6 min
Avg Commute
Community Profile
18.8%
Foreign Born
98.9%
Non-English at Home
5.3%
Veterans
10.3%
With Disability
99.0%
Health Insurance
96.7%
Internet Access
Employment by Industry
| Professional, Scientific & Management | 26.2% |
| Information | 18.4% |
| Manufacturing | 8.5% |
| Construction | 6.8% |
| Retail Trade | 6.7% |
| Finance, Insurance & Real Estate | 6.5% |
| Arts, Entertainment & Food Services | 5.5% |
| Education, Health Care & Social Services | 4.1% |
| Public Administration | 3.1% |
| Transportation & Warehousing | 2.2% |
| Agriculture & Mining | 1.3% |
Largest cities in Iowa
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Part of Iowa
Metro areas in Iowa
City rankings
Frequently Asked Questions
Norwalk, Iowa has a population of 13,610 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 32nd-largest city in Iowa.
The median household income in Norwalk, Iowa is $94,583, with 1.0% of residents living below the federal poverty level.
The median home value in Norwalk, Iowa is $275,700, with median monthly rent at $869 and a homeownership rate of 84.7%.
The median age in Norwalk, Iowa is 36.5 years. The population is 48.1% male and 51.9% female.
The population has grown 70.2% since 2010 (9,046 → 15,396).
Norwalk city, IA Climate
Norwalk city, IA has an average annual temperature of 9.8°C (50°F) and receives about 864 mm of precipitation per year. The warmest month is July and the coldest is January. Figures are 1970–2000 climate normals.
9.8°C
Avg Temp
864
Precip (mm/yr)
Jul
Hottest Month
Jan
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | -7° / 20° | 24 mm |
| February | -3° / 26° | 27 mm |
| March | 3° / 38° | 54 mm |
| April | 10° / 51° | 88 mm |
| May | 16° / 62° | 108 mm |
| June | 22° / 71° | 117 mm |
| July | 24° / 75° | 102 mm |
| August | 23° / 73° | 103 mm |
| September | 18° / 65° | 90 mm |
| October | 11° / 53° | 69 mm |
| November | 3° / 38° | 51 mm |
| December | -4° / 25° | 31 mm |
1970–2000 normals from WorldClim 2.1 (~9 km grid). Precipitation can be less precise near mountains or coastlines, where rainfall varies sharply over short distances.
Best time to visit Norwalk city, IA
The most comfortable months to visit Norwalk city, IA are typically June, August and September, when temperatures are mildest and rainfall is relatively low. The hottest month is July (around 30°C high). The coldest is January (near -12°C low). June is usually the wettest month.
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.