Makrognosis

Population — O'Brien, IA (persons)

AnnualNot seasonally adjustedCode US-IA-19141.POP.A.NSA

Latest14,260 persons2024
Previous14,067 persons2023
Year ago14,067 persons2023

Population — O'Brien, IA (persons) was 14,260 persons in 2024, up 1.4% from 2023.

That is the highest reading since 2011.

Over the past ten years it has ranged from 14,048 persons (2021) to 14,260 persons (2024), averaging 14,160 persons.

Population — O'Brien, IA (persons) (persons), 1969 – 202414k15k16k17k18k197019801990200020102020Robomacro
Population — O'Brien, IA (persons) (persons), 1969 – 2024. Source: U.S. Bureau of Economic Analysis (Regional Economic Accounts).

Showing the full history (downsampled for display). Open the interactive chart to zoom and switch transforms.

Recent data

PeriodValue
202414,260 persons
202314,067 persons
202214,107 persons
202114,048 persons
202014,149 persons
201914,221 persons
201814,185 persons
201714,111 persons
201614,209 persons
201514,168 persons
201414,240 persons
201314,196 persons
201214,257 persons
201114,274 persons
201014,417 persons
200914,412 persons
200814,332 persons
200714,421 persons
200614,558 persons
200514,552 persons
200414,564 persons
200314,762 persons
200214,808 persons
200114,950 persons

Last 24 observations. The full history (56 observations) is available through the API.

Get Population — O'Brien, IA (persons) in your code or spreadsheet

One guessable code, agency-direct, updated on release. Free tier available.

curl -H "X-API-Key: $MAKROGNOSIS_KEY" \
  "https://makrognosis.robomacro.com/v1/series/US-IA-19141.POP.A.NSA"

# Python
import requests
r = requests.get("https://makrognosis.robomacro.com/v1/series/US-IA-19141.POP.A.NSA",
                 headers={"X-API-Key": KEY})
obs = r.json()["observations"]
Get a free API key → · API docs

About this series

Latest observation2024
First observation1969
Observations56
FrequencyAnnual
Unitspersons
AdjustmentNot seasonally adjusted
10-year high14,260 persons (2024)
10-year low14,048 persons (2021)
10-year average14,160 persons
Source agencyU.S. Bureau of Economic Analysis (Regional Economic Accounts)
Makrognosis codeUS-IA-19141.POP.A.NSA

This series is a labelled reference series (an official figure republished by an aggregator) rather than a first print from the agency itself.

Other United States indicators

Unemployment Rate: O'Brien County, IA (U)Employment: O'Brien County, IA (U)Labor Force: O'Brien County, IA (U)Per-Capita Personal Income — O'Brien, IA (USD)Personal Income — O'Brien, IA (USD thousands)Unemployment: O'Brien County, IA (U)

National figure

United States Population, midperiod

FAQ

Where does this data come from?
It is collected directly from U.S. Bureau of Economic Analysis (Regional Economic Accounts) and is available through the Makrognosis API under the code US-IA-19141.POP.A.NSA.

Last updated 2026-07-12. Source: U.S. Bureau of Economic Analysis (Regional Economic Accounts). Original title: “Population — O'Brien, IA (persons)”.