ZIP code
52309
Monmouth, IA
52309 covers Monmouth in Jackson County, with 446 people in the ACS 2023 estimate.
Figures are for the Census ZIP Code Tabulation Area (ZCTA), which is not the same as a USPS ZIP code. A PO Box or unique ZIP may have no ZCTA and no demographics. Methodology
U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: ZCTA 52309. Methodology
ZIP code map of 52309

About ZIP code 52309
More enterprise fields
Commercial ZIP directory · not ACS
Commercial ZIP directory population_count for ZCTA 52309. Not ACS. Methodology
People in 52309
Race
- White407
- Asian1
- Other race2
- Two or more races9
Hispanic or Latino (any race): 3
Age
- Under 1044
- 10 to 1950
- 20 to 2939
- 30 to 3937
- 40 to 4932
- 50 to 5973
- 60 to 6974
- 70 to 7944
- 80 and older26
Income and housing in 52309
Education
- High school graduate88.4%
- Bachelor's degree14.7%
- Graduate degree6.1%
Places covering 52309
Cities and places — Population overlap
Share of this ZIP/ZCTA’s population located within each place, based on ZIP Code Database place-overlap data. This is a population measure, not land-area overlap or the Census-place population.
- Monmouth30.8%
ZIP Code Database place-overlap table, field percent_of_zip_population_in_place, keyed by place_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology
Counties — Population overlap
Share of this ZIP/ZCTA’s population located within each county, based on ZIP Code Database county-overlap data. This is a population measure, not land-area overlap or the Census county population.
- Jackson County77.8%
- Jones County22.2%
ZIP Code Database county-overlap table, field percent_of_zip_population_in_county, keyed by county_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology
69.2% of this ZIP is outside city limits (a real overlap row, not missing data).
Population history for 52309
Hover the chart or read the table below (Year | ACS | IRS).
| Year | ACS population | IRS population |
|---|---|---|
| 2005 | 421 | |
| 2006 | 396 | |
| 2007 | 435 | |
| 2009 | 406 | |
| 2010 | 407 | |
| 2011 | 421 | 410 |
| 2012 | 416 | 390 |
| 2013 | 373 | 370 |
| 2014 | 341 | 350 |
| 2015 | 372 | 370 |
| 2016 | 460 | 350 |
| 2017 | 383 | 340 |
| 2018 | 394 | 350 |
| 2019 | 460 | 360 |
| 2020 | 629 | 350 |
| 2021 | 542 | 360 |
| 2022 | 556 | 380 |
| 2023 | 446 |
ACS: U.S. Census Bureau American Community Survey 5-year estimates. IRS: Statistics of Income ZIP Code data.
ZIP codes near 52309
12 nearest ZIP centroids (any distance)
- 52207Baldwin4.0 miPop 268 · Income $47,917
- 52321Onslow4.9 miPop 456 · Income $71,250
- 52362Wyoming7.8 miPop 927 · Income $73,636
- 52212Center Junction10.5 miPop 419 · Income $82,400
- 52323Oxford Junction10.7 miPop 879 · Income $55,096
- 52060Maquoketa10.9 miPop 8,139 · Income $63,528
- 52032Bernard11.2 miPop 1,277 · Income $83,625
- 52033Cascade11.7 miPop 3,581 · Income $70,833
- 52254Lost Nation13.1 miPop 1,000 · Income $70,227
- 52079Zwingle13.8 miPop 827 · Income $98,846
- 52030Andrew15.3 miPop 393 · Income $64,292
- 52320Olin16.2 miPop 1,243 · Income $70,000
ZIP centroids within 2 miles
No other ZIP codes within 2 miles of 52309, measured by Census internal-point centroids. Try a wider radius.
ZIPs within 2 miles of this place
Default is 2 miles. Distances are between ZIP centroids. Widen the radius if nothing is in range.
ZIP code 52309 FAQ
- What city is ZIP code 52309 in?
- 52309 is in Monmouth, IA.
- What county is 52309 in?
- 52309 is in Jackson County.
- What is the median household income in 52309?
- The median household income in 52309 is $64,500.
- Which ZIP codes are near 52309?
- Use the radius tool on this page to list ZIP codes within a chosen distance of 52309.