First Interstate Bancsystem Inc (FIBK) Tax Rate (2010 - 2026)
First Interstate Bancsystem (FIBK) posted Tax Rate of 22.46% for Q2 2026, down 0.86 percentage points from 23.32% a year earlier but up 0.14 percentage points from the prior quarter.
Powered by 
Analysis
First Interstate Bancsystem Inc (FIBK) Tax Rate (2010 - 2026) Analysis & Trends
For the trailing twelve months through Jun 30, 2026, Tax Rate at First Interstate Bancsystem was 22.32%, down 1.00 percentage points year-over-year; for FY2025, it came in at 22.87%, down 0.39 percentage points from FY2024.
- Annual Tax Rate shows a five-year change of -0.11 percentage points (FY2020 to FY2025).
- In prior years, First Interstate Bancsystem's Tax Rate was 23.26% in FY2024 (-0.29 pp), 23.55% in FY2023 (+2.19 pp), 21.35% in FY2022 (-1.12 pp) and 22.48% in FY2021 (-0.50 pp).
- Quarterly Tax Rate has run from a low of 19.13% in Q1 2022 to a high of 24.40% in Q1 2025 over five years.
- On a year-over-year basis, Tax Rate has declined in each of the last five quarters, with an average year-over-year change of -0.63 percentage points over the last eight quarters.
- The strongest year-over-year quarter for Tax Rate in the past five years was Q1 2023, with a gain of 5.10 percentage points; the weakest was Q2 2022, with a drop of 2.69 percentage points.
- According to Business Quant data, Tax Rate for the three prior quarters was 22.32% (Q1 2026), 21.84% (Q4 2025) and 22.89% (Q3 2025).
Peer Set
Peer Comparison
Historic Data
Download Data
Historic Data
| Date | Value |
|---|---|
| Jun 30, 2026 | 22.46% |
| Mar 31, 2026 | 22.32% |
| Dec 31, 2025 | 21.84% |
| Sep 30, 2025 | 22.89% |
| Jun 30, 2025 | 23.32% |
| Mar 31, 2025 | 24.40% |
| Dec 31, 2024 | 21.89% |
| Sep 30, 2024 | 23.66% |
| Jun 30, 2024 | 23.47% |
| Mar 31, 2024 | 23.86% |
| Dec 31, 2023 | 23.98% |
| Sep 30, 2023 | 23.23% |
| Jun 30, 2023 | 22.90% |
| Mar 31, 2023 | 24.23% |
| Dec 31, 2022 | 22.00% |
| Sep 30, 2022 | 20.72% |
| Jun 30, 2022 | 20.17% |
| Dec 31, 2021 | 23.16% |
| Sep 30, 2021 | 22.41% |
| Jun 30, 2021 | 22.87% |
API Access
First Interstate Bancsystem Inc Tax Rate API
Pull this series into your own models, spreadsheets and apps with the Business Quant
Historical Metrics API. The request below matches the chart above — change the
frequency, period or values and it follows. Swap YOUR_API_KEY for your own key.
https://data.businessquant.com/historic?slug=tax-rate&ticker=FIBK&period=max&api_key=YOUR_API_KEYimport requests
url = "https://data.businessquant.com/historic"
params = {"slug": "tax-rate", "ticker": "FIBK", "period": "max", "api_key": "YOUR_API_KEY"}
data = requests.get(url, params=params).json()const res = await fetch("https://data.businessquant.com/historic?slug=tax-rate&ticker=FIBK&period=max&api_key=YOUR_API_KEY");
const data = await res.json();